Vulcan 48S-4B24GT Service Manual

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VULCAN-HART DIVISION OF ITW FOOD EQUIPMENT GROUP, LLC

www.vulcanequipment.com

BALTIMORE, MD 21222

F45471 Rev. E (0818)

ENDURANCE / CHALLENGER MODULAR SERIES GAS RANGES

TABLE OF CONTENTS

SERVICE UPDATES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 SERVICE UPDATES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 INSTALLATION, OPERATION AND CLEANING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 LUBRICATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 TOOLS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

REMOVAL AND REPLACEMENT OF PARTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 MANIFOLD COVER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 CONTROL BRACKET COVER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 CONTROL PANEL (30" OVENS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

KICK PANEL (24" & 30" OVENS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 BULL NOSE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 CONTROL BRACKET . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

STANDARD OVEN PILOT ASSEMBLY AND THERMOCOUPLE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

STANDARD OVEN BURNER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 STANDARD OVEN THERMOSTAT (24" OVEN) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

STANDARD OVEN THERMOSTAT (30" OVEN) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

CONVECTION OVEN PILOT ASSEMBLY AND THERMOCOUPLE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 CONVECTION OVEN BURNER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

CONVECTION OVEN THERMOSTAT-COMBO VALVE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

CONVECTION OVEN BLOWER AND MOTOR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

BURNER ORIFICE HOOD (STANDARD AND CONVECTION OVENS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 GAS SAFETY VALVE (STANDARD AND CONVECTION OVENS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

TOP BURNER PILOT VALVE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

TOP BURNER ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 TOP BURNER CONTROL VALVE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

TOP BURNER ORIFICE HOOD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 OVEN DOOR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

GAS PRESSURE REGULATOR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

CONVECTION OVEN DOOR SWITCH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 CONVECTION OVEN SOLENOID . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

GRIDDLE THERMOSTAT-COMBO VALVE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

GRIDDLE GAS SAFETY VALVE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 GRIDDLE PILOT ASSEMBLY AND THERMOCOUPLE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

GRIDDLE BURNER ORIFICE HOOD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 CHARBROILER PILOT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

CHARBROILER BURNER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

SAFETY VALVE (FLAME SAFETY OPTION) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

ROTARY IGNITER (FLAME SAFETY OPTION) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 TOP BURNER PILOT ASSEMBLY AND THERMOCOUPLE (FLAME SAFETY OPTION) . . . . . . . . . . . . . . . . 30

DOOR STOP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

SERVICE PROCEDURES AND ADJUSTMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 PILOT FLAME HEIGHT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 OVEN PILOT ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 TOP BURNERS PILOT ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 BURNER AIR SHUTTER ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

REGULATOR ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

BURNER NOZZLE CHECK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 STANDARD OVEN THERMOSTAT BY-PASS FLAME ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

STANDARD OVEN THERMOSTAT TEMPERATURE CALIBRATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

CONVECTION OVEN THERMOSTAT-COMBO VALVE CALIBRATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

F45471 Rev. E (0818) Page 2 of 47

ENDURANCE / CHALLENGER MODULAR SERIES GAS RANGES

CALIBRATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

GRIDDLE THERMOSTAT-COMBO VALVE CALIBRATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 CALIBRATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

THERMOCOUPLE TEST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 PILOT CHECKS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 THERMOCOUPLE CHECKS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

CHARBROILER PILOT ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

ELECTRICAL OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 COMPONENT FUNCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 COMPONENT LOCATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

SEQUENCE OF OPERATION - CONVECTION OVEN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

SCHEMATIC DIAGRAM - CONVECTION OVENS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

WIRING DIAGRAM - CONVECTION OVENS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46 TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

© HOBART SERVICE 2018 Page 3 of 47 F45471 Rev. E (0818)

ENDURANCE / CHALLENGER MODULAR SERIES GAS RANGES - SERVICE UPDATES

SERVICE UPDATES

SERVICE UPDATES

This section lists the service updates to the information in the manual.

•

July 2018

Updated TOOLS and OVEN DOOR. Changed

bolt used as tool must fit into hinge slot.

•

August 2017

Updated STANDARD OVEN THERMOSTAT BY-PASS FLAME ADJUSTMENT.

May 2017

• • •

Added

DOOR STOP

September 2016

• • •

Added

SAFETY VALVE (FLAME SAFETY OPTION)

removal.

ROTARY IGNITER (FLAME SAFETY OPTION)

removal.

TOP BURNER PILOT ASSEMBLY AND THERMOCOUPLE (FLAME SAFETY OPTION)

removal.

COMPONENT LOCATION picture (flame safety

option).

GENERAL TROUBLESHOOTING pilot not

lighting.

• • • • • •

Changed

STANDARD OVEN THERMOSTAT BY-PASS FLAME ADJUSTMENT

STANDARD OVEN THERMOSTAT TEMPERATURE CALIBRATION

CONVECTION OVEN THERMOSTAT-COMBO VALVE CALIBRATION

•

GRIDDLE THERMOSTAT-COMBO VALVE CALIBRATION

June 2015

•

Added

CHARBROILER BURNER removal.

CHARBROILER PILOT removal.

CHARBROILER PILOT ADJUSTMENT .

CHARBROILER BURNER AIR SHUTTER

picture under BURNER AIR SHUTTER ADJUSTMENT.

F45471 Rev. E (0818) Page 4 of 47

ENDURANCE / CHALLENGER MODULAR SERIES GAS RANGES - GENERAL

GENERAL

INTRODUCTION

This manual is for the

Endurance / Challenger XL™

Modular Series Gas Ranges. Procedures in this manual will apply to all models unless specified.

Pictures and illustrations will be of model 60SC unless otherwise noted.

All of the information, illustrations and specifications contained in this manual are based on the latest product information available at the time of printing.

INSTALLATION, OPERATION AND CLEANING

Refer to F38201 VULCAN ENDURANCE / WOLF CHALLENGER Modular Series Gas Restaurant Ranges I/O Manual for detailed installation, operation and cleaning instructions.

LUBRICATION

Anderson and Forrester (or comparable) valve grease for top burner gas valves, top burner pilot valves, and pressure tap plugs. Apply light coat to valve/plug threads. Valve grease must be insoluble in propane and natural gas.

TOOLS

• • • •

Standard

Standard set of hand tools.

VOM with minimum of NFPA-70E CATIII 600V, UL/CSA/TUV listed. Sensitivity of at least 20,000 ohms per volt and the ability to measure DC micro amps. Meter leads must also be rated at CAT III 600V.

Pipe thread sealant suitable for use with propane gas.

• • •

Special

Temperature tester (K type thermocouple preferred).

Manometer.

Long reach phillips screwdriver #2 for installing or removing motor assembly through the convection oven cavity.

Two 1" long bolts that fit into door hinge slot. (size varies depending on revision of doors).

• • • • •

The screws are used to relieve spring tension on the door hinge during door removal and installation.

Loctite® 246™ for use on the door handle mounting screws.

A non permanent type sealer (preferably fast drying) such as nail polish or equivalent for sealing thermostat adjustment screw. If using Loctite 242, it begins to set in approximately 10 minutes and fully cures in 24 hours according to manufacturer.

3/4" pipe tee and hose barb assembly for temporarily checking manifold pressure when a pressure tap is not available in the gas manifold on some models.

Pipe taps may be needed to clean or repair internal threads on gas manifolds. Use a wire brush to clean external pipe threads on fittings.

Adaptor to test thermocouple closed circuit DC voltages (purchase locally). Adaptors vary between manufacturers. An example of one adaptor type is pictured below.

Fig. 1

SPECIFICATIONS

• •

Gas Pressures

Manifold/Operating Pressure Natural: 5 in. W.C.

Propane: 10 in. W.C.

Inlet Supply Pressure Natural - Recomended 7 in. W.C. ; Minimum 5 in. W.C.

Propane - Recomended 11 in. W.C. ; Minimum 11 in. W.C.

Maximum 14 in. W.C. (0.5 PSI) (Natural or Propane) Page 5 of 47 F45471 Rev. E (0818)

ENDURANCE / CHALLENGER MODULAR SERIES GAS RANGES - GENERAL •

Orifice Size Requirements

See Orifice Chart in Parts Catalog F43260 ENDURANCE/CHALLENGER MODULAR SERIES GAS RANGES.

F45471 Rev. E (0818) Page 6 of 47

ENDURANCE / CHALLENGER MODULAR SERIES GAS RANGES - REMOVAL AND REPLACEMENT OF PARTS

REMOVAL AND REPLACEMENT OF PARTS

MANIFOLD COVER

1.

2.

3.

4.

Shut off the gas before servicing the unit and follow lockout / tagout procedures.

Pull crumb tray out.

Loosen set screw in the top burner control knobs and remove knobs. If range includes the safety flame option, remove the rotary igniter knob.

Remove screws that secure manifold cover and remove cover.

Reverse procedure to install.

Fig. 4

CONTROL PANEL (30" OVENS)

Disconnect the electrical power to the machine and follow lockout / tagout procedures.

Fig. 3

CONTROL BRACKET COVER

1.

2.

3.

4.

5.


Pull grease can out.

Pull knobs from thermostats.

If removing control bracket cover from oven with a 12" open top burner module and 24" griddle top module: A.

B.

Pull crumb tray out of 12" section if installed.

Loosen set screw in the open top burner control knobs and remove knobs.

Remove screws that secure control bracket cover and remove the bracket.


Page 7 of 47 2.

3.

4.


NOTE:

Electrical power disconnect warning applies to convection ovens.

NOTE:

Removal procedure applies to standard and convection 30" ovens.

1.

Pull knob from thermostat.

5.

Remove hole plug at top of control panel.

Remove screw and lift off control panel.

On convection ovens only, note lead wire locations and disconnect from power switch.


F45471 Rev. E (0818)


BULL NOSE

1.

2.

3.

4.

Turn top burners and griddle off.

Remove front row of top burner grates on ranges with open top burners.

Remove all screws securing bull nose to range.

The total number of screws depend on the width of the range.

Lift bull nose off range.

Convection Oven Panel Shown

KICK PANEL (24" & 30" OVENS)

1.

2.

3.


Lift up on kick panel and rotate down 90°.

Remove screws securing kick panel mounting brackets (2) to the oven and remove kick panel.


5.

Fig. 7


CONTROL BRACKET



All gas joints disturbed during servicing must be checked for leaks. Check with a soap and water solution (bubbles). Do not use an open flame.

1.

Remove BULL NOSE.

2.

3.

Remove CONTROL BRACKET COVER.

If installed, remove compression nut on the flexible tubing gas line that supplies gas to the manifold on the adjacent open top burner section.

Fig. 6

F45471 Rev. E (0818) Page 8 of 47

ENDURANCE / CHALLENGER MODULAR SERIES GAS RANGES - REMOVAL AND REPLACEMENT OF PARTS 8.

A.

B.

If replacing control bracket, remove screws securing griddle controls to bracket.

Remove manifold cover brackets (L & R) from each end of the control bracket as necessary (2 screws for each bracket).

Reverse procedure to install and check for proper operation.

STANDARD OVEN PILOT ASSEMBLY AND THERMOCOUPLE

4.

Fig. 8

Loosen the recessed screws (4) through the access holes on the two manifold cover brackets (L & R) that secure the control bracket to the oven. The bracket mounting holes are keyed for removal of the control bracket.



1.

Remove bottom oven rack(s) and rack guides.

2.

3.

Remove cavity bottom by lifting up and sliding out.

Remove screws securing oven pilot assembly to burner carrier.

5.

6.

Fig. 9

Lift the control bracket up and tilt forward to remove bracket from mounting screws.

Partially install the grease drawer leaving enough of the drawer extended to support the control bracket while servicing.

7.

Fig. 10

Griddle controls are now accessible for removal.

Page 9 of 47 4.

5.

6.

Fig. 11

Lower the KICK PANEL (24" & 30" OVENS).

Pull oven pilot assembly out through opening in lower oven frame.

If replacing thermocouple only, remove thermocouple from oven pilot assembly and gas safety valve. Continue to last step.

F45471 Rev. E (0818)

ENDURANCE / CHALLENGER MODULAR SERIES GAS RANGES - REMOVAL AND REPLACEMENT OF PARTS When installing, do not bend and kink the capillary tube or damage to the component may occur.

7.

If replacing oven pilot assembly, remove pilot tubing and thermocouple from oven pilot assembly.

8.


STANDARD OVEN BURNER

6.

7.

Pull burner carrier with burner attached out from oven.

Remove screws securring burner to the burner carrier.



1.


2.

3.

Hold the tab on burner carrier with plyers to support it then remove compression nut from burner elbow fitting to disconnect gas supply tubing.

Remove screws securing burner carrier to oven frame.

8.

Fig. 13

Slide oven burner off the burner nozzle to remove.

9.


10. Perform BURNER AIR SHUTTER ADJUSTMENT.

STANDARD OVEN THERMOSTAT (24" OVEN)

4.

5.

Fig. 12

Pull burner carrier out through opening in lower oven frame enough to access the oven pilot assembly.

Remove screws securring oven pilot assembly to burner carrier. Move oven pilot assembly away from burner.

Do not bend and kink the capillary tube or damage to the control may occur.

F45471 Rev. E (0818) Page 10 of 47



1.

Pull out crumb tray.

2.

3.

4.

Remove MANIFOLD COVER.

Remove oven thermostat knob.

Remove screw securing thermostat cover to oven frame.


6.

Fig. 14

Remove compression nut from elbow fitting at the rear of thermostat.

Remove screws securing thermostat to mounting flange.

7.

8.

A.

Fig. 15

Inspect mounting flange and gasket. If okay, they may be used during installation. If not okay, remove and install replacement flange.

Open oven door and remove oven racks.

Remove screws securing capillary tube mounting clips (5) inside the oven cavity.

Fig. 16 NOTE:

Capillary tube is permanently attached to thermostat-combo valve.

9.

Remove all mounting clips from capillary tube and retain for reuse.

10. Pull capillary tube through the hole in oven sidewall and remove thermostat from oven.

A.

B.

Remove insulation sleeve from capillary tube for installation on replacement thermostat capillary tube.

Note orientation of compression fitting elbow on valve body and remove for installation on replacement valve body.

Clean pipe threads and apply thread sealant that is suitable for use with propane gases.

When installing, do not bend and kink the capillary tube or damage to the control may occur.

11. Reverse procedure to install and check for proper operation.

Page 11 of 47 F45471 Rev. E (0818)


STANDARD OVEN THERMOSTAT (30" OVEN)



1.

Open oven door and remove oven racks.

2.

Remove screws securing capillary tube mounting clips (5) inside the oven cavity.

Fig. 18 Standard 30" oven NOTE:

Capillary tube is permanently attached to thermostat.

3.

4.

5.

6.


Remove CONTROL PANEL (30" OVENS).

Remove compression nuts from thermostat fittings (front & rear).

Remove screws securing thermostat to mounting bracket.

F45471 Rev. E (0818) 7.

8.

Fig. 19

Remove gas line tubing from thermostat.

Pull capillary tube through the hole in oven sidewall and remove thermostat from oven.

A.

Note orientation of compression fittings on thermostat body and remove for installation on replacement valve body.



NOTE:

When installing thermostat capillary tube, push any insulation back through grommet and remove loose insulation from oven cavity.

9.


Page 12 of 47


CONVECTION OVEN PILOT ASSEMBLY AND THERMOCOUPLE

4.

If replacing thermocouple only, remove thermocouple from oven pilot assembly.




1.


2.


When installing, do not bend and kink the capillary tube or damage to the component may occur.

A.


5.

B.

Remove thermocouple from gas safety valve and remove thermocouple from oven.

Continue to last step.

If replacing oven pilot assembly, remove pilot tubing and thermocouple from oven pilot assembly.

6.

7.

Remove screws securing oven pilot assembly to burner carrier.


CONVECTION OVEN BURNER


3.

Fig. 20

Pull burner carrier out through opening in lower oven frame enough to access the oven pilot assembly.



1.


2.


Fig. 21

Page 13 of 47

Fig. 22

F45471 Rev. E (0818)


4.

5.

Pull burner carrier out through opening in lower oven frame enough to access the oven pilot assembly and burner elbow fitting.

Hold the tab on burner carrier with plyers to support then remove compression nut from burner elbow fitting.

Remove screws securing oven pilot assembly to burner carrier. Move pilot assembly away from burner.

CONVECTION OVEN THERMOSTAT-COMBO VALVE


Do not bend and kink the capillary tube or damage to the control may occur.

6.

Pull burner carrier with burner attached out from oven.

7.

Remove screws securing burner to the burner carrier.



1.


2.

3.

Remove compression nuts from thermostat combo valve fittings.

Remove screws securing thermostat-combo valve to mounting bracket.

8.

Fig. 23

Slide oven burner off the burner nozzle to remove.

9.


10. Perform BURNER AIR SHUTTER ADJUSTMENT.

F45471 Rev. E (0818) 4.

5.

6.

Fig. 24

Remove thermostat-combo valve from gas line tubing.

Remove oven racks.

Open oven door and remove screws securing capillary tube mounting clips (4) at the top of oven cavity.

Page 14 of 47


4.

5.

6.

Loosen screw securing armored cable to junction box.

Remove oven racks and rack guides from oven.

Place cardboard over the oven cavity bottom to protect it during motor removal.

Remove screws securing motor mount panel to the oven. Pull the assembly out from the oven.

Fig. 25 NOTE:


7.

8.


Pull capillary tube through the hole in oven sidewall and remove thermostat-combo valve from oven.

A.

B.


Note orientation of compression fittings on valve body and remove for installation on replacement valve body.

7.

Fig. 26

Remove screws (4) securing blower cover to motor mount panel.



NOTE:

When installing thermostat capillary tube, push any insulation back through grommet and remove loose insulation from oven cavity.

9.


CONVECTION OVEN BLOWER AND MOTOR

1.

2.


Remove cover from electrical junction box at the rear of range.

Disconnect motor wiring at junction box.

Page 15 of 47 8.

Fig. 27

Loosen bolts (2) securing blower to motor shaft then remove blower.

9.

If replacing blower only, proceed to last step. If replacing motor, continue with procedure.

10. Remove mounting nuts and spacers securing motor mounting brackets (2) to motor mount panel.

F45471 Rev. E (0818)


GAS SAFETY VALVE (STANDARD AND CONVECTION OVENS)


A.

B.

C.

Fig. 28

Remove motor mounting brackets from motor for reuse.

Remove cover from motor junction box, disconnect wires and remove armored cable from motor junction box.

Inspect the motor insulation located between the motor mounting brackets and the motor mount panel. Replace if damaged.

11. Install motor mounting brackets and armored cable onto replacement motor.


BURNER ORIFICE HOOD (STANDARD AND CONVECTION OVENS)

2.

3.

4.

5.

1.

Access burner for the type of oven being serviced

as outlined under STANDARD OVEN BURNER

or CONVECTION OVEN BURNER.

Remove the orifice hood from fitting.

Perform BURNER NOZZLE CHECK.


Check for proper operation.



1.

Remove CONTROL PANEL (30" OVENS) on

standard and convection ovens or lower the

KICK PANEL (24" & 30" OVENS) on standard

24" ovens.

2.

3.

Remove pilot tubing and thermocouple from gas safety valve.

Remove inlet and outlet gas lines from gas safety valve.

Gas Safety Valve on Standard 24" Oven

F45471 Rev. E (0818) Page 16 of 47


TOP BURNER PILOT VALVE


Gas Safety Valve on 30" Convection Oven NOTE:

Safety valve replacement is identical on 30 inch wide standard ovens.

4.

5.

Remove screws securing gas safety valve to mounting bracket and remove the valve. On 24" standard ovens, spacers are installed between the valve and mounting bracket. Retain spacers for reuse. Spacer locations shown in picture

25022 "Gas Safety Valve on Standard 24" Oven".

Remove compression fittings and tubing from gas safety valve for installation on replacement valve.


6.




1.

On the module section being serviced, loosen set screw on top burner knobs and remove knobs from manual valve.

2.

3.


Remove compression nut securing pilot tube to pilot valve.

4.

Remove pilot valve from the manifold.

5.

Fig. 31



Do not over tighten pilot valve or damage to the threads may ocurr.

6.

Check PILOT FLAME HEIGHT under Open Top

Burner Adjustment.

Page 17 of 47 F45471 Rev. E (0818)


TOP BURNER ASSEMBLY




1.

Remove top burner grates (front and rear) from the module section being serviced.

2.

Remove pilot from mounting clip on the top burner assembly. Move pilot away from burner assembly.

6.

7.

Fig. 33


Verify BURNER AIR SHUTTER ADJUSTMENT.

TOP BURNER CONTROL VALVE




3.

4.

Fig. 32

Lift burner heads off the top burner assembly.

Lift the top burner assembly at the rear and pull away from manual valves.

A.

Remove pilot mounting clip and flash tube from the top burner assembly for resuse on replacement burner assembly.

5.


NOTE:

When installing, ensure that each end of the flash tube is aligned with the ignition ports on the burner “venturi” casting for proper burner ignition.

F45471 Rev. E (0818) 1.

2.

3.

Page 18 of 47

Fig. 34


Remove TOP BURNER ASSEMBLY.

Remove TOP BURNER PILOT VALVE.


5.

6.

Remove top burner control valve from the manifold.

Inspect the top control valve for wear and damage, replace as necessary.


Use the tightest fitting bolts / screws to relieve spring tension on door hinge during removal and installation.


NOTE:

When installing, ensure top burner control valve is aligned and centered in the burner assembly opening. The valve must be perpendicular to the manifold.

7.


TOP BURNER ORIFICE HOOD

1.

2.

3.

4.

Access top burner orifice hood as outlined under

TOP BURNER ASSEMBLY.

Remove the orifice hood from top burner control valve.



OVEN DOOR

Removal

1.


NOTE:

Removal of control panel is to provide additional space on the right side of door to ease door removal and installation.

2.

Lower KICK PANEL (24" & 30" OVENS).

3.

Fully open the oven door.

When servicing hinges, use cut resistant glove with additional padding to compress hinge to insert bolt into slot or remove bolt after door is removed.

4.

Insert a tight fitting 1" long bolt/screw (size depends on door revision) into each door hinge slot at the top of the spring loaded hinge.

5.

6.

Fig. 35

Close door leaving enough space to clear the oven gas manifold cover during removal. As the door approaches this position, you should notice a decrease in the spring tension on the door.

Remove door as follows: A.

Hold door at bottom corners then lift the door up and out to disengage the hinges.

B.

C.

The notch on swivel hinge must release from bottom edge of the door hinge stop to remove door. As needed, lift up on the swivel hinges using forefinger to aid in releasing.

The spring-loaded hinge must release from the roller inside the slot on door hinge stop to remove door.

7.

If replacing door or door spring hinge, position the door face down. Press down on hinge enough to relieve spring force then remove bolt from door hinge slot.

Installation

1.

2.

Compress each spring-loaded hinge enough to insert the bolt into the slot at top of hinge.

Hold door at bottom corners while facing the oven cavity. Place knee on the front of door to help balance it as necessary during installation.

A.

Using index fingers, lift swivel hinges until they touch the spring-loaded hinges and hold in place.

Page 19 of 47 F45471 Rev. E (0818)

ENDURANCE / CHALLENGER MODULAR SERIES GAS RANGES - REMOVAL AND REPLACEMENT OF PARTS B.

C.

D.

Tilt the top of door toward the oven so that the swivel hinge is at a slightly downward angle to pass between the bar and bottom edge of door hinge stop.

Insert hinges into the slots making sure that the spring-loaded hinges go above the bar to catch on the roller and the swivel hinges go underneath the bar to catch on the bottom edge of door hinge slot.

Lower the door and position it as necessary to engage the swivel hinge slots with the bottom edge of both door hinge slots.

GAS PRESSURE REGULATOR





1.

Thread regulator onto pipe hand tight with arrow pointing in direction of gas flow to the range.

3.

4.

5.

6.

7.

Fig. 36

Fully open door to check operation. If bottom edge of door rubs the front edge of cavity bottom then the swivel hinge is not engaged as described.

A.

To seat the swivel hinge, open door approximately 30° and pull in the same direction on the door handle. The hinge should drop into place.

Open door and check operation. If okay, remove bolts and close door. If not okay, remove door and repeat installation procedure.

On convection ovens, verify door switch is operating properly.

Reinstall oven control panel.

Raise kick panel.

2.

Fig. 37

Tighten regulator securely in horizontal position with the regulator adjustment upward as described on regulator.

NOTE:

Regulator will not function properly without adjustment screw pointing upward.

3.

Connect supply gas line to gas pressure regulator inlet.

4.

Adjust regulator as outlined in REGULATOR ADJUSTMENT.

F45471 Rev. E (0818) Page 20 of 47


CONVECTION OVEN DOOR SWITCH


NOTE:

Door switch is installed on Convection Ovens only.

1.

2.

3.


Remove single mounting nut securing door switch bracket to safety valve mounting bracket.

Remove screws securing door switch bracket to oven frame and remove bracket from control area.

7.

Fig. 39

Reverse procedure to install and check door switch for proper operation.

CONVECTION OVEN SOLENOID

4.

5.

6.

Fig. 38

Open door to unoperate the switch.

Note lead wire locations and disconnect from door switch.

Remove screws and mounting nuts securing door switch to door switch bracket.




1.

Remove door switch bracket as outlined under

CONVECTION OVEN DOOR SWITCH. Allow

bracket to rest at the bottom of control area.

2.

Remove screws securing the mounting bracket that holds the safety valve, oven thermostat and the oven solenoid to the oven frame.

Page 21 of 47 F45471 Rev. E (0818)


GRIDDLE THERMOSTAT-COMBO VALVE


3.

4.

5.

Fig. 40

Remove compression nuts on the inlet and outlet of solenoid.

Remove screws and mounting nuts securing solenoid to bracket.

Disconnect lead wires from solenoid.



1.

Remove BULL NOSE.

2.

3.

Raise griddle plate from the front and support using 4x4 blocks.

Pull thermostat bulb out of the holder for the thermostat-combo valve being replaced.

NOTE:


6.

Fig. 41

Remove fittings from solenoid for reuse on replacement valve.

4.

5.


7.


F45471 Rev. E (0818) Page 22 of 47

Fig. 42

Remove CONTROL BRACKET COVER.

If installed, remove compression nut on the flexible tubing gas line that supplies gas to the manifold on the adjacent open top burner section.


Remove compression nuts from thermostat combo valve fittings for the thermostat being replaced.

6.

Fig. 43

Loosen the recessed screws (4) through the access holes on the two manifold cover brackets (L & R) that secure the control bracket to the oven. The bracket mounting holes are keyed for removal of the control bracket.

Fig. 46

10. Remove screws (3) securing thermostat-combo valve to the control bracket and remove the thermostat-combo valve.

7.

8.

Fig. 44

Lift up control bracket and tilt forward to access griddle thermostat-combo valves.

Partially install the grease drawer leaving enough of the drawer extended to support the control bracket while servicing.

Fig. 45

A.

B.

Fig. 47

Note orientation of compression fittings on the thermostat-combo valve and remove for installation on replacement valve.



When installing, do not bend and kink the capillary tubes or damage to the controls may occur. Ensure capillary tubes are routed properely through mounting slots before lowering the griddle or damage to the controls may occur.

NOTE:

When installing, ensure orifice hood is aligned and centered in the burner assembly opening. The Page 23 of 47 F45471 Rev. E (0818)

ENDURANCE / CHALLENGER MODULAR SERIES GAS RANGES - REMOVAL AND REPLACEMENT OF PARTS griddle orifice bracket must be perpendicular to the manifold.


GRIDDLE GAS SAFETY VALVE




1.

Remove CONTROL BRACKET.

2.

3.

Remove pilot tubing and thermocouple from gas safety valve.

Remove compression nuts from gas safety valve fittings.

Fig. 49


Clean pipe threads and apply pipe joint compound.

Any pipe joint compound used must be resistant to the reaction of propane gases.

NOTE:

When installing, ensure orifice hood is aligned and centered in the burner assembly opening.

5.


GRIDDLE PILOT ASSEMBLY AND THERMOCOUPLE


4.

Fig. 48

Remove screws (2) securing gas safety valve to the control bracket and remove the valve.

A.

Note orientation of compression fittings on the valve and remove for installation on replacement valve.

F45471 Rev. E (0818)



1.


2.

Remove screws (2) securing pilot assembly mounting bracket to griddle burner box.

Page 24 of 47


A.

If replacing thermocouple only, remove thermocouple from pilot assembly and gas safety valve. Continue to last step.

If replacing pilot assembly, remove pilot tubing and thermocouple from pilot assembly.

3.

Fig. 51


NOTE:


CHARBROILER PILOT

4.

5.

Fig. 50

Remove screws (2) securing pilot assembly to mounting bracket.



NOTE:


GRIDDLE BURNER ORIFICE HOOD


1.

2.


Remove CHARBROILER BURNER to access

pilot.

Remove crumb trays.



1.


2.

Remove the orifice hood from fitting.

3.

Fig. 52

Remove knobs from front of range.

Page 25 of 47 F45471 Rev. E (0818)


Fig. 53

Remove manifold cover.

5.

Fig. 54

Remove compression nut from pilot valve then remove pilot tube assembly from valve.

7.

Fig. 56


NOTE:

If replacing pilot and tubing, ensure a compression nut and ferrule are installed on the end of tubing that connects to pilot valve.

6.

Fig. 55

Remove pilot tube assembly (1, Fig. 56) from pilot bracket (2, Fig. 56). Use pliers to separate

as needed.

F45471 Rev. E (0818) Page 26 of 47


CHARBROILER BURNER



2.

Fig. 58

Remove radiant (1, Fig. 59) to access burner.

Fig. 57

•

Charbroiler Burner Components - Front View

[1] Grate • • • 1.

[2] Radiant [3] Burner [4] Deflector

Remove grate (1, Fig. 58) from charbroiler.

Page 27 of 47 F45471 Rev. E (0818)


Fig. 59

Remove burner (1, Fig. 60) and deflector (2, Fig.

60) by lifting at the rear of burner.

4.

Fig. 60

Remove burner rod (1, Fig. 61) securing deflector (2, Fig. 61) to burner.

F45471 Rev. E (0818) Page 28 of 47


6.

7.

8.

9.

Fig. 61

To Install: A.

Install deflector onto replacement burner.

Verify BURNER AIR SHUTTER ADJUSTMENT.

Install radiant above the burner.

Install grate.


SAFETY VALVE (FLAME SAFETY OPTION)

3.

4.

5.

Fig. 62

Remove top burner grates (front and rear) from the range.

Lift grate support (1, Fig. 63) from range top.

Remove heat shield (2, Fig. 63).




1.


2.

Disconnect pilot flex tube (1, Fig. 62) from gas

manifold.

6.

Fig. 63

Disconnect thermocouple (1, Fig. 64) from safety

valve.

Fig. 64

Page 29 of 47 F45471 Rev. E (0818)


8.

9.

Lift the top burner assembly at the rear and slowly pull away from manual valves. Lower the burner assembly and allow it to rest inside the burner box.

Remove gas manifold from frame (1, Fig. 65).

Disconnect safety valve compression nut (2, Fig.

65) from tube adapter on gas manifold then

remove safety valve from gas manifold.

2.

3.

4.

Disconnect igniter wires (1, Fig. 66) at the rear of rotary igniter (2, Fig. 66).

Remove screws and nuts (3, Fig. 66) securing rotary igniter (2, Fig. 66) to the mounting bracket

on gas manifold then remove rotary igniter.

Remove screws and spacer nuts from rotary igniter and install them on the replacement rotary igniter.

Fig. 65 Clean pipe threads and apply thread sealant that is suitable for use with propane gases.

NOTE:

See TOOLS for cleaning of pipe threads.

When installing, do not bend and kink the capillary tubes or damage to the controls may occur.


ROTARY IGNITER (FLAME SAFETY OPTION)

5.

Fig. 66


TOP BURNER PILOT ASSEMBLY AND THERMOCOUPLE (FLAME SAFETY OPTION)




1.



F45471 Rev. E (0818)


1.

Page 30 of 47



Disconnect pilot flex tube from gas manifold.

3.

Fig. 67

Disconnect igniter wires (1, Fig. 68) from rotary igniter (2, Fig. 68).

7.

Fig. 69

Disconnect thermocouple (1, Fig. 70) from safety

valve.

8.

Fig. 70

Remove screws (1, Fig. 71) securing pilot assembly (2, Fig. 71) and flash tube (3, Fig. 71)

to the top burner assembly. Slide pilot assembly out from mounting slot in flash tube.

4.

5.

6.

Fig. 68

Remove top burner grates (front and rear) from the range.

Lift grate support (1, Fig. 69) from range top.

Remove heat shield (2, Fig. 69).

Fig. 71 NOTE:

The pilot assembly picture above is shown with the pilot shield removed.

9.

If replacing thermocouple only, remove

thermocouple (1, Fig. 72) from pilot assembly.

Continue to last step.

Page 31 of 47 F45471 Rev. E (0818)

ENDURANCE / CHALLENGER MODULAR SERIES GAS RANGES - REMOVAL AND REPLACEMENT OF PARTS 10. If replacing pilot assembly, remove pilot flex (2,

Fig. 72) tube and thermocouple (1, Fig. 72).

A.

Remove screw (3, Fig. 72) securing pilot

assembly to mounting bracket.

Fig. 72

11. Remove insulation sleeving from thermocouple tube and igniter wire. Retain for use on replacement part.


When installing, do not bend and kink the capillary tubes or damage to the controls may occur.

NOTE:

When installing be sure to route thermocouple through the insulation sleeving. And, ensure the flash tube is aligned properly between the burner heads.

Refer to TOP BURNER ASSEMBLY removal

procedure.

DOOR STOP

3.

4.

5.

Fig. 73

Unscrew stop bracket from oven frame.

Slide stop bracket down cavity channel and out

through opening (3, Fig. 73).

Tie string or flexible wire around pin or roller on

new bracket (1, 2, Fig. 74) to assist installation

up through cavity channel.

1.

2.


Remove OVEN DOOR.

Tie string or flexible wire around pin or roller (1,

Fig. 73).

NOTE:

Holding onto string/wire while removing stop will secure it from failing down into oven cavity.

F45471 Rev. E (0818) Page 32 of 47


7.

8.

Fig. 74

Align oven frame and stop bracket mounting

holes (2, Fig. 74) and install screws.

Install OVEN DOOR.

Verify door operation.

Page 33 of 47 F45471 Rev. E (0818)

ENDURANCE / CHALLENGER MODULAR SERIES GAS RANGES - SERVICE PROCEDURES AND ADJUSTMENTS

SERVICE PROCEDURES AND ADJUSTMENTS

PILOT FLAME HEIGHT

Oven Pilot Adjustment

1.


2.

3.

Lower the KICK PANEL (24" & 30" OVENS) to

access gas safety valve on 24" standard ovens and to view pilot flame height on all ovens.

Remove pilot adjustment cover screw from gas safety valve.

panel. You may need to remove a knob depending on the orientation of the pilot adjustment screw.

1.

Locate the pilot adjustment screw located behind the adjustment access hole in the panel.

4.

Gas Safety Valve on 30" Ovens Shown (Convection & Standard)

Rotate pilot adjustment screw

clockwise

to decrease and

counterclockwise

to increase pilot flame height.

5.

6.

Pilot flame is in adjustment when it is approximately ½" tall and flame surrounds one third of the thermocouple down from the tip of the hot junction end.


NOTE:

After adjustment, ensure cover screw is re installed.

Top Burners Pilot Adjustment

To adjust the pilot flame height of the top burners, locate the pilot adjustment screws found on the front manifold pipe between the burner control knobs. It is not necessary to remove the gas manifold cover as adjustment access holes have been provided in the F45471 Rev. E (0818) Page 34 of 47 2.

3.

4.

Fig. 76

Rotate the screw clockwise to decrease and counterclockwise to increase flame height.

Pilot is in adjustment when it will stay on continually and lights the burners without delayed ignition.

On range models with a thermocouple, the pilot burner flame should surround the thermocouple at the hot tip end and cover an area of at least 3/8" to 1/2" on the thermocouple hot tip end.

BURNER AIR SHUTTER ADJUSTMENT

The efficiency of the burner depends on a delicate balance between the air supply and volume of gas.

Whenever this balance is disturbed, poor operating characteristics and excessive gas consumption may occur. An air shutter on the front of the burner controls the gas mixer balance. A yellow streaming flame on the burner is an indication of insufficient primary air.

To correct this condition, loosen the shutter screw and rotate the air shutter open until the flame begins to lift from the burner, then close the shutter slightly and tighten the shutter screw. A proper flame should be blue in color, well-defined and seated on the burner port. A white-blue flame is a result of excessive primary air.

NOTE:

The factory default air shutter positions are half open natural; full open propane.

ENDURANCE / CHALLENGER MODULAR SERIES GAS RANGES - SERVICE PROCEDURES AND ADJUSTMENTS adjusted as necessary. Make sure the regulator is mounted in the horizontal position with the arrow pointing in the direction of gas flow. Clean vent cap

before adjusting. Fig. 80 shows gas flow direction and

vent cap location.

See unit data plate, riveted inside the kick panel, for

manifold pressure setting information. Fig. 81 shows

manifold pressure tap location.

Top Burner Air Shutters Oven Burner Air Shutter

1.

Fig. 80

Connect manometer to either of the pressure taps provided on the range gas piping between the burner control valve sets. If pressure taps are not available, install a pipe tee and hose barb assembly on the outlet of the regulator. See

TOOLS.

Charbroiler Burner Air Shutter

REGULATOR ADJUSTMENT

2.

NOTE:

Regulators come preset, but should be checked anytime one is installed. Before adjusting regulator, check incoming gas line pressure. Incoming pressure must be 6-14" W.C. for natural gas and 11-14" W.C. for propane gas. If incoming pressure is not correct, have the gas source checked and 3.

Page 35 of 47

Fig. 81

Open the valves to turn on approximately half of the units burners to the full on position and check manometer reading. The reading should be 5" W.C. for natural gas and 10" W.C. for propane gas. Tolerance is ±0.3" W.C.

If manifold pressure is not correct, adjust the regulator as follows: A.

Remove the regulator closing nut.

F45471 Rev. E (0818)

ENDURANCE / CHALLENGER MODULAR SERIES GAS RANGES - SERVICE PROCEDURES AND ADJUSTMENTS B.

C.

D.

E.

Fig. 82

Insert a flat edge screwdriver into the top of regulator housing to reach the adjusting screw. While watching the manometer, turn the adjusting screw clockwise to increase pressure and counterclockwise to decrease pressure until the proper gas pressure is achieved. See data plate.

Install the regulator closing nut.

Remove manometer from pressure tap.

Apply thread sealant to pressure tap plug and reinstall. Thread sealant must be insoluble in propane and natural gas.

BURNER NOZZLE CHECK

• • The burner nozzle is mounted between the oven gas supply tubing/mounting bracket and the u-burner assembly. If burner operation seems poor and other systems have been checked, access the burner for the range section being serviced and remove the burner nozzle.

Check for blockage or damage.

Verify gas orifice hood is correct for the altitude.

See SPECIFICATIONS for Orifice Size

Requirements.

F45471 Rev. E (0818)

OVEN BURNER NOZZLE SHOWN

STANDARD OVEN THERMOSTAT BY-PASS FLAME ADJUSTMENT

NOTE:

The bypass flame setting has a direct affect on calibration, and must be verified prior to checking or adjusting calibration of any "modulating thermostat". The by-pass flame can be viewed through the kick panel for adjustment.

All burners on the device must be on during by-pass flame adjustment.

1.

Turn thermostat knob to 375°F.

2.

3.

4.

Wait 15 minutes for oven to heat up.

Turn thermostat knob to lowest oven setting.

DO NOT TURN OFF

.

Observe burner flame. The flame should be approximately 1/8" and stable on each port as

shown in Fig. 84.

Fig. 84

By-Pass Flame shown in Fig. 84

Item Description

1 2 Gap in flame, or some flickering of the flame is acceptable, only in the U shape bend of the burner.

By-Pass flame.

Page 36 of 47

3 5.

6.

ENDURANCE / CHALLENGER MODULAR SERIES GAS RANGES - SERVICE PROCEDURES AND ADJUSTMENTS Oven burner.

Remove thermostat knob.

With a small flat edge screwdriver, turn by-pass

flame adjustment screw Fig. 85 counterclockwise

to increase by-pass flame or clockwise to decrease flame until both legs of burner have approximately 1/8" stable flame on each port.

Ports should be set to just above “flickering”.

2.

3.

4.

5.

6.

Turn thermostat knob to 350°F. Wait 15 minutes for oven to heat up.

Turn knob to the lowest setting and check the by pass flame for proper adjustment as outlined

under STANDARD OVEN THERMOSTAT BY PASS FLAME ADJUSTMENT.

Turn knob back to 350°F and wait for temperature to stabilize (approximately 30 minutes). When the temperature stabilizes take a temperature reading. If actual temperature is more than ±25°F from knob setting, calibrate as follows: Remove thermostat knob from oven.

Loosen two screws on the back of knob.

7.

8.

9.

Fig. 85

Replace thermostat knob.

A.

B.

Turn knob to 400°F .

Verify increase in flame height on burner ports.

Turn knob back to lowest oven setting. Verify decrease in by-pass flame height on burner ports and that burner remains lit.

Verify STANDARD OVEN THERMOSTAT TEMPERATURE CALIBRATION.

STANDARD OVEN THERMOSTAT TEMPERATURE CALIBRATION

NOTE:

The bypass flame setting has a direct affect on calibration, and must be verified prior to checking or adjusting calibration of any "modulating thermostat". The by-pass flame can be viewed through the kick panel for adjustment.

NOTE:

Calibration on this "modulating thermostat" version is made using the knob for temperature adjustments and not the inner screw as on previous versions.

1.

Place a thermocouple temperature probe in center of oven to verify actual temperatures

throughout adjustment. See TOOLS for

thermocouple type.

Page 37 of 47 2 3 4 7.

Item

1 8.

Fig. 86

Rear of Knob shown in Fig. 86

Description

Temperature Adjustment Notches (each notch equals 10 °F).

Calibration Pointer Screws Stem Grasp stem and push it away from knob just enough for the calibration pointer at base of stem to clear the temperature adjustment notches on the knob. Move calibration pointer clockwise to lower temperature or counterclockwise to raise temperature, as close to the desired setpoint as possible.

Pull stem toward knob to engage calibration pointer and temperature adjustment notches on the knob. Tighten screws and replace knob on oven.

F45471 Rev. E (0818)

9.

ENDURANCE / CHALLENGER MODULAR SERIES GAS RANGES - SERVICE PROCEDURES AND ADJUSTMENTS Verify temperature setting at 400°F and 450°F.

Wait 15 minutes for oven to heat up at each setting. If actual oven temperature is not within ±25°F, readjust as outlined in this procedure. If three consecutive adjustments do not produce acceptable results, replace thermostat and verify calibration.

CONVECTION OVEN THERMOSTAT-COMBO VALVE CALIBRATION

Operation

The thermostat-combo valve is self-regulating and the thermostat is internally connected to the valve. When thermostat dial is set to 350°F and the oven is below setpoint, the valve opens to allow gas flow and burner lights. As the oven temperature rises, the pressure from the sensor bulb in the oven increases. Fluid in the capillary tube expands with the temperature increase and presses against a diaphragm in the thermostat. When the oven temperature reaches setpoint, the internal valve closes to stop gas flow to burner.

When the oven temperature decreases below setpoint, the pressure is reduced in the capillary which reduces the force on the diaphragm allowing the valve to open again.

Calibration

1.

Place a thermocouple temperature probe in center of oven to verify actual temperatures


thermocouple type.

2.

3.

4.

Turn power switch on.

Turn thermostat knob to 350°F and allow oven to cycle 3 complete times.

A.

If the customer has a preferred temperature setting that they always operate the oven at such as 325°, 375° or 400°, you may calibrate to that temperature instead.

NOTE:

Most calibrations are made at 350°F.

Thermostat tolerance will increase at higher temperature settings.

5.

Observe burner flame. Note temperature tester reading when burner turns ON and OFF.

Add these two temperatures together, then divide the sum by 2 to obtain an average temperature. If the average temperature is more than ±25°F from knob setting, calibrate as follows: A.

Pull off knob.

removal.

Do not rotate knob during

Do not turn the adjustment screw more than 3/8 turn or damage to the thermostat may occur.

B.

While holding outer shaft in place, turn inner screw using a small flat edge screwdriver 1/8 turn clockwise to decrease and counterclockwise to increase. 1/4 turn =

35°F. See Fig. 87 below.

C.

Verify temperature at 350°F (or customers preferred setting). Allow oven to cycle 3 times.

NOTE:

You must allow the oven to cycle 3 times to stabilize oven temperature or the calibration adjustment may be invalid.

DO NOT TURN KNOB

.

D.

E.

Take a temperature reading. If temperature is within acceptable limits, continue to next step. If temperature is not within ±25°F then re-adjust as outlined in this procedure. If 3 consecutive adjustments do not produce acceptable results, replace thermostat and verify calibration.

Apply a small amount of a non permanent type sealer (preferably fast drying) such as nail polish or equivalent around the inner screw head to prevent movement during outer shaft rotation. Allow sufficient time for the applied sealer to dry then install knob.

See TOOLS.

F.

If calibrating at 350°F, verify temperature at 400°F. If calibrating at a customer preferred temperature setting, select one temperature setting above the customer preferred setting. If the customers temperature setting is 450°F, then calibrate at that temp only.

Allow oven to cycle 3 times at the temperature setting. If actual oven temperature is not within ±25°F of the setting, replace thermostat and verify calibration.

F45471 Rev. E (0818) Page 38 of 47

ENDURANCE / CHALLENGER MODULAR SERIES GAS RANGES - SERVICE PROCEDURES AND ADJUSTMENTS

NOTE:

This procedure will need to be performed for each testing location on all griddle zones.

Griddle Size

12" 24" 36"

Distance(s) From Left Edge of Griddle

6" 6", 18" 6", 18", 30"

NOTE:

All readings taken 12" from front of griddle.

2 3

Fig. 87 Item

1

Front of Thermostat Shown in Fig. 87

Description

Inner screw for temperature adjustment .

Outer Shaft.

4 5 Direction to

increase

temperature.

Direction to

decrease

temperature.

1/4 turn equals 35 °F.

GRIDDLE THERMOSTAT-COMBO VALVE CALIBRATION

3.

5.

Turn thermostat knob to 350°F and allow griddle to cycle 3 complete times.

A.

If the customer has a preferred temperature setting that they always operate the oven at such as 325°, 375° or 400°, you may calibrate to that temperature instead.

NOTE:

Most calibrations are made at 350°F.

Thermostat tolerance will increase at higher temperature settings.

4.

Observe burner flame. Note temperature tester reading when burner turns ON and OFF.

Add these two temperatures together, then divide the sum by 2 to obtain an average temperature. If the average temperature is more than ±25° from knob setting, calibrate as follows: A.

Pull off knob.

removal.

Do not rotate knob during Operation

The thermostat-combo valve is self-regulating and the thermostat is internally connected to the valve. When thermostat dial is set to 350°F and the griddle is below setpoint, the valve opens to allow gas flow and burner lights. As the griddle temperature rises, the pressure from the sensor bulb secured to the bottom of the griddle plate increases. Fluid in the capillary tube expands with the temperature increase and presses against a diaphragm in the thermostat. When the griddle temperature reaches setpoint, the internal valve closes to stop gas flow to burner.

When the griddle temperature decreases below setpoint, the pressure is reduced in the capillary which reduces the force on the diaphragm allowing the valve to open again.

Calibration

1.

Clean temperature test area on griddle zone surface. Apply a small amount of clean cooking oil to the test area to ensure good surface probe contact.

2.

Place a thermocouple surface probe in center of griddle zone to verify actual temperatures


thermocouple type. See table for proper testing locations according to griddle size.

Do not turn the adjustment screw more than 3/8 turn or damage to the thermostat may occur.

B.

While holding outer shaft in place, turn inner screw using a small flat edge screwdriver 1/8 turn clockwise to decrease and counterclockwise to increase. 1/4 turn =

35°F. See Fig. 87 under CONVECTION

OVEN THERMOSTAT-COMBO VALVE CALIBRATION.

C.

Verify temperature setting at 350°F (or customers preferred setting). Allow griddle to cycle 3 times.

NOTE:

You must allow the griddle to cycle 3 times to stabilize oven temperature or the calibration adjustment may be invalid.

DO NOT TURN KNOB.

D.

Page 39 of 47 Take a temperature reading. If temperature is within acceptable limits, continue to next step. If temperature is not within ±25°F then readjust as outlined in this procedure. If 3 consecutive adjustments do not produce acceptable results, replace thermostat and verify calibration.

F45471 Rev. E (0818)

ENDURANCE / CHALLENGER MODULAR SERIES GAS RANGES - SERVICE PROCEDURES AND ADJUSTMENTS E.

F.

Apply a small amount of a non permanent type sealer (preferably fast drying) such as nail polish or equivalent around the inner screw head to prevent movement during outer shaft rotation. Allow sufficient time for the applied sealer to dry then install knob.

See TOOLS.

If calibrating at 350°F, verify temperature at 400°F. If calibrating at a customer preferred temperature setting, select one temperature setting above the customer preferred setting. If the customers temperature setting is 450°F, then calibrate at that temp only.

Allow oven to cycle 3 times at the temperature setting. If actual oven temperature is not within ±25°F of the setting, replace thermostat and verify calibration.

THERMOCOUPLE TEST

Operation

The thermocouple supplies a DC millivolt signal (MV) to the gas safety valve when heated by the pilot flame.

The gas safety valve will shut off gas flow to the pilot and main burner in case of a pilot outage. When energized by the thermocouple voltage, the gas safety valve is held open to permit gas flow to the pilot and provide gas for the burner when the thermostat calls for heat. The pilot flame height is controlled by an adjustable needle valve located under a small cover screw on the gas safety valve.

Pilot Checks

If experiencing pilot outages, perform the following: Visually check pilot flame for the proper contact on

thermocouple and adjust as outlined under PILOT FLAME HEIGHT. If adjustment does not result in a

pilot flame of proper height, then gas might not be flowing properly to the pilot.

Check for: • • A plugged pilot orifice.

Kinked or plugged pilot gas tubing.

• Low gas supply pressure.

Thermocouple Checks NOTE:

Tubing connection from the thermocouple tip to gas safety valve is an electrical connection and must be clean and dry. Do not use any sealing compound on the threads of thermocouple nut.

F45471 Rev. E (0818) 1.

2.

3.

• • • • Do not overtighten the thermocouple nut or the insulator could be crushed, shorting the thermocouple. Finger tighten the nut plus 1/4 turn with a wrench only.

If pilot flame is correct and there are no excessive air drafts in the room, then problem is either the thermocouple output voltage or the gas safety valve.

• Visually check the thermocouple tip (hot end) and tube lead for: Loose thermocouple connection (electrical) at the safety valve.

Corrosion or debris on the threaded connector or thermocouple tip causing a poor electrical connection.

Kinks or pinches that might cause a short between the tube and the wire inside.

• If thermocouple is loose, tighten mounting nut as described above in NOTICE. If thermocouple connection shows signs of corrosion or debris that cannot be cleaned; or damage as described, replace

it and check pilot operation as outlined under PILOT FLAME HEIGHT.

Thermocouple Test

Check the thermocouple output voltage (DC millivolts) with a VOM as outlined in the steps below.

If thermocouple adaptor (see TOOLS) is

available, check

closed

circuit voltage as outlined in the test procedure.

• • If thermocouple adaptor is not available, check

open

circuit voltage as outlined in the test procedure.

If a VOM is not available, replace the thermocouple with a new one as outlined under the appropriate procedure below and check operation.

STANDARD OVEN PILOT ASSEMBLY AND THERMOCOUPLE.

CONVECTION OVEN PILOT ASSEMBLY AND THERMOCOUPLE.

• •

GRIDDLE PILOT ASSEMBLY AND THERMOCOUPLE

SAFETY VALVE (FLAME SAFETY OPTION).

Disconnect thermocouple from gas safety valve.

Select the test to perform.

Closed Circuit

.

Page 40 of 47

4.

ENDURANCE / CHALLENGER MODULAR SERIES GAS RANGES - SERVICE PROCEDURES AND ADJUSTMENTS A.

B.

C.

D.

Install thermocouple adaptor at the threaded connection on gas safety valve.

Install thermocouple to the adaptor. Tighten mounting nut as described above in NOTICE.

Light the pilot. Allow pilot to heat thermocouple for one to two minutes.

Connect one meter lead to the adaptor test point and the other meter lead to the tube.

Compare reading to the value listed in the table below.

Open Circuit

.

A.

Connect one meter lead to the tip of the threaded end and the other meter lead to the tube. Compare reading to the values listed in the table below.

B.

C.

Light the pilot and continue to hold down the pilot gas button on the safety valve during this test. Allow pilot to heat thermocouple for one to two minutes.

Compare reading to the value listed in the table below.

Range

THERMOCOUPLE MV READINGS Closed Circuit Open Circuit

8 to 25 MV 25 to 35 MV 5.

6.

• • If readings are less than the minimum stated above, replace the thermocouple as outlined under the appropriate procedure below and check for proper operation.

If a VOM is not available, replace the thermocouple with a new one as outlined under the appropriate procedure below and check operation.

STANDARD OVEN PILOT ASSEMBLY AND THERMOCOUPLE.

CONVECTION OVEN PILOT ASSEMBLY AND THERMOCOUPLE.

• •

GRIDDLE PILOT ASSEMBLY AND THERMOCOUPLE.

SAFETY VALVE (FLAME SAFETY OPTION).

If pilot is still not functioning properly after replacing thermocouple, then a problem exists in

the gas safety valve. Install a replacement GAS SAFETY VALVE (STANDARD AND

CONVECTION OVENS) or SAFETY VALVE (FLAME SAFETY OPTION).

• • 7.


CHARBROILER PILOT ADJUSTMENT

•

Pilot Adjustment

Turn pilot adjustment screws clockwise to decrease the flame.

Turn pilot adjustment screws counter-clockwise to increase the flame.

Pilot is in adjustment when it will stay on continually and lights the burner without delayed ignition.

Fig. 88

Page 41 of 47 F45471 Rev. E (0818)

ENDURANCE / CHALLENGER MODULAR SERIES GAS RANGES - ELECTRICAL OPERATION

ELECTRICAL OPERATION

COMPONENT FUNCTION

Power Cord . . . . . . . . . . .

On/Off Switch . . . . . . . . .

Solenoid Valve . . . . . . .

Door Switch . . . . . . . . . .

Convection Oven Motor (Single Phase) . . . . . . . . . . . . . . . .

Junction Box . . . . . . . . .

Safety Valve . . . . . . . . . .

Pilot Assembly . . . . . . .

Thermocouple . . . . . . . .

Connects range to power source.

Provides power for the convection oven motor and solenoid valve.

Allows gas flow to the convection oven burner assembly when solenoid is energized by the door switch (normally closed valve).

Removes power from convection motor and solenoid valve when oven door is open (N.O.

- held closed).

Circulates heated air inside the oven. The motor electrical power is routed through door switch.

Connection point for electrical wires.

Monitors standing pilot. All ovens, thermostatic griddles, and select open top burner devices with Flame Safety option feature a standing pilot that is monitored by a thermocouple and pilot safety valve. If the pilot goes out, the safety valve will shut-off the gas supply to the pilot and main burners. Flame safety option only.

Provides flame to light burner.

On models with a safety valve, provides milli-voltage signal to safety valve when heated by pilot flame.

COMPONENT LOCATION

FLAME SAFETY OPTION

F45471 Rev. E (0818) Page 42 of 47


Item No.

1 2 3 4 5 6

Fig. 89 Description

Pilot Assembly and thermocouple.

Rotary Igniter (Piezo type) 12" Manifold Sections 1/4 Turn Manual Valves Safety Valve (1 per each 12" Manifold) Manifold

SEQUENCE OF OPERATION CONVECTION OVEN

2.

Refer to AI3549 SCHEMATIC DIAGRAM CONVECTION OVENS.

Oven temperature is below set point of control.

Convection Oven

1.

Conditions.

A.

B.

C.

D.

120VAC to oven controls and is properely grounded.

Power switch off.

Door switch held-closed (oven door closed).

Pilot lit.

3.

Page 43 of 47 E.

F.

Thermostat-combo valve is off.

Oven at room temperature.

Turn power switch on.

A.

Solenoid is energized allowing gas flow to thermostat-combo valve.

B.

Power to oven motor (blower circulates air inside cavity).

Set thermostat knob to 350°F.

A.

B.

Thermostat-combo valve calls for heat and opens internal valve to allow gas flow to burner.

Pilot lights the burner and heating begins.

F45471 Rev. E (0818)

ENDURANCE / CHALLENGER MODULAR SERIES GAS RANGES - ELECTRICAL OPERATION 4.

5.

6.

Oven reaches setpoint temperature. Thermostat combo valve closes internal valve to stop gas flow to burner.

Door switch opened (oven door open).

A.

Power is removed from oven motor.

7.

Thermostat-combo valve cycles the burner as required to maintian setpoint temperature untill thermostat knob is turned to off; or power switch off.

Oven door closed. Door switch contacts close and oven motor resumes operation.

SCHEMATIC DIAGRAM - CONVECTION OVENS

Fig. 90

F45471 Rev. E (0818) Page 44 of 47


WIRING DIAGRAM - CONVECTION OVENS

Fig. 91

Page 45 of 47 F45471 Rev. E (0818)

ENDURANCE / CHALLENGER MODULAR SERIES GAS RANGES - TROUBLESHOOTING

TROUBLESHOOTING

TROUBLESHOOTING

Pilot does not remain lit.

Pilot not lighting.

SYMPTOM

Burner flame too yellow Slow to heat or not hot enough.

Oven temperature too hot.

Low burner flame (all burners).

Low burner flame (individual burner).

Flame floats on burner.

SYMPTOM

Oven temperature too hot.

F45471 Rev. E (0818)

GENERAL

1.

POSSIBLE CAUSE

Incorrect gas pressure.

2.

3.

4.

5.

6.

7.

1.

Pilot burner not adjusted properly.

Pilot burner blocked.

Thermocouple not positioned correctly or malfunctioning.

Gas safety valve malfunction.

Incorrect oven pilot orifice.

Ventilation issue in room (drafts blowing out pilot).

Gas supply is off.

2.

3.

4.

5.

6.

1.

2.

3.

4.

5.

1.

Additional time needed to bleed air out of gas line.

Low gas pressure.

Pilot burner not adjusted properly.

Incorrect oven pilot orifice.

Orifice incorrect size or dirty.

Air shutter not adjusted correctly or dirty.

Incorrect gas pressure.

Incorrect gas type.

Orifice misaligned in venturi.

Appliance not venting properly.

Low gas pressure.

2.

1.

1.

2.

2.

1.

2.

1.

Thermostat out of calibration.


By-pass flame to high.

Low gas pressure.

Incorrect gas type.

Air mixture incorrect.

Inadequate air supply.

Restricted exhaust flue (ovens).

CONVECTION OVENS ONLY

1.

POSSIBLE CAUSE


Page 46 of 47

ENDURANCE / CHALLENGER MODULAR SERIES GAS RANGES - TROUBLESHOOTING

SYMPTOM

Convection motor does not operate.

Convection motor noisy.

CONVECTION OVENS ONLY

1.

POSSIBLE CAUSE

Main power supply not on.

2.

3.

Incorrect voltage.

Oven door switch arm not engaging door hinge arm properely.

4.

5.

6.

1.

Oven door switch open or inoperative.

Power switch open or inoperative.

Convection motor inoperative.

Motor mounting bracket or motor mounting plate to the back of the chassis is loose.

Pilot does not remain lit (no gas flow to oven burner).

2.

3.

4.

5.

1.

2.

3.

4.

Fan shroud is loose or fan is rubbing shroud.

Fan loose on motor shaft.

Fan excessively dirty or debris stuck in fan.

Motor malfunction.

Low gas pressure.

Thermocouple not positioned correctly or malfunctioning.

Solenoid malfunction.

Pilot gas flow too low. Adjust on gas safety valve.

Page 47 of 47 F45471 Rev. E (0818)

Vulcan 48S-4B24GT Service Manual

98/&$1 :2/) 6

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VULCAN-HART DIVISION OF ITW FOOD EQUIPMENT GROUP, LLC

BALTIMORE, MD 21222

TABLE OF CONTENTS

SERVICE UPDATES

SERVICE UPDATES

GENERAL

INTRODUCTION

INSTALLATION, OPERATION AND CLEANING

LUBRICATION

TOOLS

SPECIFICATIONS

REMOVAL AND REPLACEMENT OF PARTS

MANIFOLD COVER

CONTROL PANEL (30" OVENS)

CONTROL BRACKET COVER

BULL NOSE

KICK PANEL (24" & 30" OVENS)

CONTROL BRACKET

STANDARD OVEN PILOT ASSEMBLY AND THERMOCOUPLE

STANDARD OVEN BURNER

STANDARD OVEN THERMOSTAT (24" OVEN)

STANDARD OVEN THERMOSTAT (30" OVEN)

CONVECTION OVEN PILOT ASSEMBLY AND THERMOCOUPLE

CONVECTION OVEN BURNER

CONVECTION OVEN THERMOSTAT-COMBO VALVE

CONVECTION OVEN BLOWER AND MOTOR

GAS SAFETY VALVE (STANDARD AND CONVECTION OVENS)

BURNER ORIFICE HOOD (STANDARD AND CONVECTION OVENS)

TOP BURNER PILOT VALVE

TOP BURNER ASSEMBLY

TOP BURNER CONTROL VALVE

TOP BURNER ORIFICE HOOD

OVEN DOOR

GAS PRESSURE REGULATOR

CONVECTION OVEN DOOR SWITCH

CONVECTION OVEN SOLENOID

GRIDDLE THERMOSTAT-COMBO VALVE

GRIDDLE GAS SAFETY VALVE

GRIDDLE PILOT ASSEMBLY AND THERMOCOUPLE

CHARBROILER PILOT

GRIDDLE BURNER ORIFICE HOOD

CHARBROILER BURNER

SAFETY VALVE (FLAME SAFETY OPTION)

ROTARY IGNITER (FLAME SAFETY OPTION)

TOP BURNER PILOT ASSEMBLY AND THERMOCOUPLE (FLAME SAFETY OPTION)

DOOR STOP

SERVICE PROCEDURES AND ADJUSTMENTS

PILOT FLAME HEIGHT

BURNER AIR SHUTTER ADJUSTMENT

REGULATOR ADJUSTMENT

BURNER NOZZLE CHECK

STANDARD OVEN THERMOSTAT BY-PASS FLAME ADJUSTMENT

STANDARD OVEN THERMOSTAT TEMPERATURE CALIBRATION

CONVECTION OVEN THERMOSTAT-COMBO VALVE CALIBRATION

GRIDDLE THERMOSTAT-COMBO VALVE CALIBRATION

THERMOCOUPLE TEST

CHARBROILER PILOT ADJUSTMENT

ELECTRICAL OPERATION

COMPONENT FUNCTION

COMPONENT LOCATION

SEQUENCE OF OPERATION CONVECTION OVEN

SCHEMATIC DIAGRAM - CONVECTION OVENS

WIRING DIAGRAM - CONVECTION OVENS

TROUBLESHOOTING

TROUBLESHOOTING

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