Market Forge Industries 4292 Owner`s manual

OWNER’S MANUAL
ELECTRIC COMPACT CONVECTION OVEN
MODELS:  4200
 4292
FORM NO.: S-2374
REV: A
PRINTED IN U. S. A.
02/07 An Employee Owned Company 35 Garvey Street • Everett • MA • 02149
Tel: (617) 387-47100 • Fax: 1-800-227-2659 (Ex. MA) • (617) 387-4456 (MA and Overseas)
E-mail: CUSTSERV@mfii.com • Website: www.mfii.com
TABLE OF CONTENTS
INTRODUCTION
DESCRIPTION.................................................................................................................................1
OVEN COMPONENTS ....................................................................................................................1
BASIC FUNCTIONING ....................................................................................................................1
SERVICE .........................................................................................................................................1
INSTALLATION
RECEIVING .....................................................................................................................................2
ASSEMBLY - VENT BOX ATTACHMENT ........................................................................................2
SINGLE OVEN - 4” LEGS & 28” LEGS WITH SHELF . ...................................................................2
STACKED OVENS - 18” LEGS WITH SHELF .................................................................................3
ELECTRICAL CONNECTION . ........................................................................................................3
OVEN CHECKOUT & ADJUSTMENTS ...........................................................................................4
THERMOSTAT CALIBRATION (OLD & NEW STYLES) . ................................................................4
THERMOSTAT DIAL PLATE CALIBRATION (NEW STYLE) ...........................................................4
WIRING DIAGRAM ..........................................................................................................................5
OPERATION
PRINCIPLES OF OPERATION . ......................................................................................................6
CONTROLS .....................................................................................................................................6
PRE-HEATING . ...............................................................................................................................6
OPERATION ....................................................................................................................................6
MAINTENANCE
CLEANING . .....................................................................................................................................7
REMOVAL & REPLACEMENT PARTS ............................................................................................7
DOOR REMOVAL ............................................................................................................................7
DOOR REPLACEMENT (OLD STYLE)............................................................................................7
OVEN LINER GASKET REMOVAL .................................................................................................7
GASKET REPLACEMENT ..............................................................................................................7
BLOWER WHEEL REMOVAL & REPLACEMENT ..........................................................................7
MOTOR REMOVAL & REPLACEMENT ..........................................................................................7
SWITCH REMOVAL & REPLACEMENT .........................................................................................8
CONTACTOR REMOVAL & REPLACEMENT..................................................................................8
THERMOSTAT REMOVAL & REPLACEMENT ...............................................................................8
HEATER ELEMENT REMOVAL & REPLACEMENT .......................................................................8
DOOR INTERLOCK SWITCH BRACKET (OLD STYLE) REMOVAL &
REPLACEMENT ..............................................................................................................................8
NEW STYLE INTERLOCK SWITCH REMOVAL, REPLACEMENT & PARTS.................................9
HI-LIMIT REMOVAL & REPLACEMENT .........................................................................................9
TROUBLE-SHOOTING
GENERAL ........................................................................................................................................10
TROUBLE-SHOOTING GUIDE .......................................................................................................10
WIRING . ..........................................................................................................................................11
ELECTRICAL FAULT ISOLATION GUIDE . .....................................................................................11
ELECTRICAL CONNECTIONS - CONTROL BOARD .....................................................................12
ILLUSTRATED PARTS LIST
GENERAL ........................................................................................................................................13
ORDERING INFORMATION . ..........................................................................................................13
4200 COMPACT CONVECTION OVEN & PARTS ..........................................................................13-14
CONTROL PANEL, OPEN & PARTS . ............................................................................................15
RIGHT SIDE VIEW & PARTS .........................................................................................................16
DOOR ASSEMBLY & PARTS .........................................................................................................17
INSIDE OVEN COMPARTMENT PARTS LIST ................................................................................18
4200/4292 REVERSING SWING OF DOOR (S) .............................................................................18
INTRODUCTION
This service and parts manual contains general information, installation, operation, principles
of operation, trouble-shooting and maintenance information for the Market Forge Model 4200
Electric Compact Convection Oven. Also included are parts lists, in which each replaceable
part is identified and shown in an accompanying illustration.
DESCRIPTION
The Market Forge Model 4200 Electric Compact Convection Oven is an electrically powered convection oven designed to achieve
high volume cooking with a minimum of power consumption. The unit consists of a heavily
insulated cooking compartment fitted with a
two speed convector blower and heated by
electric elements. All oven controls are located on a panel on the right front of the oven as
seen from the front.
tors located in the control section close the
circuit to heating elements located at the right
of the cooking chamber. When the chamber
reaches the preset temperature, the thermostat contacts open, causing the contractors to
interrupt the circuit to the heating elements.
When the temperature in the chamber drops
enough to close the thermostat contacts, the
circuit closes again. Any number of such cycles might occur during the cooking time, ~indicated by the element indicator light coming
on and off.
OVEN COMPONENTS
The major assemblies of the model 4200 are
the stainless steel and flat back painted steel
cabinet enclosure, door with window, porcelain cooking compartment with nine-position
shelf supports, heating element and contractor assembly, and control panel assembly.
Controls and indicators include the thermostat, main power switch, blower speed switch,
cool down/switch, elements on indicator light,
60-minute timer, and elements only switch.
The oven is available in variety of mounting configurations: 4” 102mm high-legs, 27”
686mm legs with shelf, or stacked on top of
another Model 4200 with the bottom unit on
18” 457mm stainless steel legs with shelf.
SERVICE
Required service, both preventive and corrective, is explained in section 5. Should repairs
be required, a network of authorized agencies
is available to assist with prompt service. A
current directory of Authorized Service Agencies may be obtained by contacting:
Product Service Department
Market Forge Company
35 Garvey Street
Everett, MA 02149-4403
(617) 387-4100
The model and serial number must be referenced when corresponding with Market
Forge. The data plate with serial number is
located on the right of the bottom front trim
ledge.
BASIC FUNCTIONING
The Model 4200 becomes operational when
the power switch is placed in the ON position,
door is closed, and thermostat set. Contrac-
* We recommend that service be performed by a qualified Market Forge Authorized Service.
Service performed by others will void warranty. Market Forge is not responsible for repairs
made by other than authorized service agents.
1
INSTALLATION
RECEIVING
1. Examine shipment for external and internal damage and completeness. Transport
crated oven through building, to installation area before unpacking.
2. 2. Report any damage or shortages to carrier and Market Forge immediately.
3. DO NOT AT ANY TIME LAY THE OVEN
DOWN ON ITS TOP, RIGHT SIDE, OR
FRONT. TO DO SO MAY DAMAGE THE
EQUIPMENT AND VOID THE WARRANTY.
ASSEMBLY - Vent Box Attachment
1. Remove steam vent box and packet of
screws from inside oven and attach vent
box to back of oven over vent opening using five #8 sheet metal screws.
Single Oven on 4” Legs
Fasten legs to the weld nuts located on bottom panel of oven. The hex foot on the leg is
adjustable.
Single Oven on 28” Legs with Shelf
1. Insert legs (Fig. 1 No. 3) through holes
in shelf (Fig. 1 No. 1) Do not tighten setscrews in corners of shelf.
2. Screw leg tops (Fig. 1 No. 2) onto legs.
(Fig. 1 No. 3)
3. Insert leg tops (Fig. 1 No. 2) through holes
in angle iron frame (Fig. 1 No. 4) into weld
nuts in bottom of oven.
4. Screw leg tops (Fig. 1 No. 2) into weld
nuts by turning leg and top assemblies.
5. Raise shelf (Fig. 1 No. 1) to desired height
and tighten set screws in shelf corners.
2
Fig. 1
ITEM
PART NO.
DESCRIPTION
QTY.
1
99-6180
SOLID SHELF ST/ST
1
2
A10-0635
LEG TOP
4
3
A10-0634
FLOOR LEG 28” HIGH
4
4
D99-6183
SHELF
1
INSTALLATION
Stacked Ovens on 18” Legs with Shelf
Stacking Instructions:
1. Fasten Item No. 1, stacking channel, to
the bottom left side of top oven. Note - left
channel has (2) holes. Use nut & washer
(Item 3 & 4) front & rear.
2. Remove access panel from the right side
of both ovens.
3. Remove knockouts from the top of the
bottom oven and from the bottom of the
top oven.
4. Place upper oven on top of lower oven
with the right side stacking channel placed
between. Line up holes in both ovens with
the holes in the channel.
5. Fasten ovens together with the washer
(Item No. 4) and the bolt (Item No. 11)
Inserted up thru top of lower oven, thru
stacking channel and into bottom of upper oven, using the existing weld nut to
fasten the rear and the nut provided with
the stacking kit (Item No. 5) to fasten the
front.
ELECTRICAL CONNECTION:
1. Read data plate located on top surface of
right side of bottom trim just below control
panel before connecting electrical supply
to oven. Make sure electrical supply is
the same voltage, phase, and frequency
called for on date plate.
2. All ovens are shipped three phase and
may be converted to single phase as per
alternate single phase wiring diagram.
3. Feed supply through opening in rear of
oven (Fig. 2-1 No. 2) and connect supply wires to terminal block behind control
panel.
4. Wiring diagram label is located on control
bracket, accessible by opening control
panel.
NOTE: Improper connection to power supply
or connection to power supply other than that
designated on data plate will void the warranty.
Assemble stand, as shown, before stacking
ovens.
3
Fig. 2
ITEM PART NO.
DESCRIPTION
QTY.
1
B99-6203
Stacking Channel Left
1
2
B99-6204
1
3
10-2564
Stacking Channel Right
Hex Bolt 3/4-10 x 1 1/2 Lg.
2
5
10-2320
Plain Washer - /4
Nut, Hex - 3/4 -10
6
99-6180
Solid Shelf
1
7
A09-5271
Floor Leg 18” High
4
8
A10-0635
Leg Top
4
9
D99-6183
Shelf
1
10
A25-3263
1
11
08-3426
Set Screw & Wrench Kit
Hex Bolt 3/4-10 x 4 Lg.
4
10-2411
5
3
1
2
INSTALLATION
OVEN CHECKOUT & ADJUSTMENTS:
Door Adjustment (Old Style):
The door was properly adjusted at the factory,
if door does not open or close properly adjust
the ball plunger catch as .follows:
1. 1. Remove adjusting wrench from back of
manual and insert in notches on sides of
ball plunger.
2. Loosen jam nut with wrench.
3. Turn adjusting wrench left or right until ball
plunger engages in door striker plate for
best operation.
4. Tighten jam nut with wrench while adjusting wrench is still engaged in notches.
5. Return adjusting wrench to back of manual.
Thermostat Calibration
(Old Style):
The thermostat is a device which automatically limits heat input at or below the dial setting.
7. Repeat steps 4 to 7 until oven temperature stabilizes at 350°F+/- 5°F
8. Apply Glyptol or Duco Cement to set pot
to prevent rotation.
Thermostat Dial Plate Calibration
(New Style):
1. Clamp thermocouple sensor in the center
of the middle rack in compartment.
2. Pass the thermocouple sensor wire
through the door gasket and close the
door.
3. Plug the sensor lead into the pyrometer.
4. Set the oven power switch to ON.
5. Set the thermostat knob to 3500 (191°C).
6. Allow the oven to warm up for a minimum
of (3) three ON/OFF cycles.
Before attempting to calibrate thermostat,
make sure that the thermostat is the cause
of problems experienced. Check for improper
electrical service, incorrect mixes over and
under proofing, incorrect temperatures, and
warping pans. Thermostats are calibrated
and sealed by the original manufacturer before leaving their plant. Only a qualified service person should make calibration adjustments, if they become necessary.
Calibrate Electronic Thermostat
Fig. 3
(NEW Style):
7. Record the temperature when the element indicator light goes off. If a tempera1. Set oven thermostat knob at 350°F.
ture of 345°-355° is attained, no calibra2. Allow oven to preheat to 350°F.
tion is necessary .
3. Observe temperature with digital thermometer.
8. If the temperature differs more than +/5°F from the dial setting:
4. If temperature goes above 350°F turn set
pot labelled HI (on circuit board) counter• Pencil mark the knob pointer position as a
clockwise. % turn should be sufficient.
reference point on the control panel next
to the dial plate
5. Allow time for oven temperature to drop,
then recheck temperature.
• Loosen the dial plate mounting screws
only enough to move the plate.
6. If temperature is below 350°F turn set pot
labelled HI (on circuit board) clockwise.+/• Move the dial plate until calibration match5°F turn should be sufficient.
es thermometer reading (350°F).
4
INSTALLATION
5
OPERATION
PRINCIPLES OF OPERATION:
Uniform distribution of heat within the oven
is assured by continuous operation of a convector blower. Moving air continuously strips
away a thin layer of moisture and cold air from
the top of the food allowing more rapid heat
penetration. Lower temperatures and shorter
times than those used in conventional deck
ovens ‘Can be used. In general, temperature
settings can be reduced by 50°F (28°C) from
recipe temperatures for conventional ovens.
Some products may require slightly higher
or lower temperatures. Product should be
checked for doneness in about half the time it
would take in a conventional oven. Time savings may be about 15% to 20%.
CONTROLS:
All controls for the Model 4200 oven are located on the control panel on the front of the
oven (Fig. 5). These controls are; a thermostat to control oven temperature (Fig. 5 No.
1), an Elements On indicator light (Fig. 5 No.
Fig. 5
2), a power switch with ON and OFF posi- OPERATION:
tions (Fig. 5 No. 3), a blower switch with high 1. Set temperature about 50°F (28°C) less
and low positions (Fig. 5 No. 4), a cool down
than what recipe calls for when using
switch with manual and auto positions (Fig.
standard oven.
5 No. 5) and a 60 minute electro-mechanical 2. Load pans evenly on shelves making sure
timer (Fig. 5 No. 6). Heating Elements Only
pans don’t touch sides of oven or other
Switch (Fig. 5 Not Shown).
pans.
3. Check food for doneness in about half the
PRE-HEATING:
time it would take in a conventional deck
oven. Visual inspection of food can be
1. Set thermostat to desired temperature, set
blower switch to desired speed, and turn
made without opening the door by looking
on power switch. Blower wheel should rothrough tempered glass window.
tate clockwise when viewed from front of 4. Blower will automatically shut off by a door
oven. Low speed is suggested for fragile
interlock switch when door opens. Closing
products ie those levened by beaten egg
the door will restart the blower.
whites such as souffles, angel food cake 5. Blower may be operated with door open
and popovers.
by placing cool down switch in manual
position. No power is suppled to heating
2. Indicator light will go out when desired temperature is reached. Oven will pre-heat to
elements with cool down switch in manual
350°F 180°C in about 10 minutes. Large
position, allowing rapid lowering of oven
differences in time from this indicate faulty
temperatures with door open.
heating elements, or connection to wrong 6. Heating elements only without blower fan
electric power supply.
when door is shut. (For delicate products)
6
MAINTENANCE
CLEANING:
1. Clean interior of oven with a commercially
available oven cleaner suitable for use on
porcelain.
2. Racks, rack supports, and blower wheel
may be cleaned by soaking in ammonia
and water solution after removing them
from oven.
3. Stainless steel parts maybe cleaned using
a commercially available stainless steel
cleaner.
OVEN LINER GASKET REMOVAL:
1. Remove all screws from gaskets.
2. Remove all gaskets.
GASKET REPLACEMENT:
1. Replace top and bottom metal gaskets on
front off oven liner and screw in place.
2. Replace left and right side metal gaskets
and screw in place.
BLOWER WHEEL REMOVAL:
1. Shut off main power supply.
REMOVAL & REPLACEMENT OF PARTS:
2. Remove baffle by placing hard under back
end and rotating baffle up and out.
WARNING: Disconnect oven from main 3. Loosen set screws located in the center of
power supply before working on oven.
the blower wheel on the wheel hub.
4. Pull blower wheel off of shaft.
DOOR REMOVAL:
1. Remove lower screw (Fig. 6, #1) from up- BLOWER WHEEL REPLACEMENT:
per hinge assembly of door.
1. Remove metal burrs and foreign matter
from motor shaft with emery cloth or sand2. Loosen top screw (Fig. 6, #2) from upper
assembly.
paper.
3. Push upper hinge pin (Fig. 6, #3) into 2. Lubricate blower wheel hub with high
door.
graphite grease. (Remove blower and lubricate at least once every six months).
4. Rotate top of door forward to clear upper
frame.
3. Place blower wheel on shaft. Make sure
set screws are positioned over the flats on
5. Pull up and out on door to remove.
the shaft. Make sure there is 3/16” clearance between blower wheel and oven
wall.
4. Tighten set screws to 160 in-lbs torgue.
Fig.6
DOOR REPLACEMENT (OLD STYLE):
Revere above procedure being sure to put as
many washers under as there were before removal.
7
MOTOR REMOVAL:
1. Make sure main power supply is disconnected from oven.
2. Remove baffle and blower wheel.
3. Remove right side panel.
4. Open control compartment cover.
5. Remove motor bolt access plate.
6. Remove four nuts and blots holding motor
to motor mount.
7. Remove cover from wiring box mount on
motor and disconnect wires.
MAINTENANCE
MOTOR REPLACEMENT:
1. Revere procedure above.
2. Check motor wiring to make sure blower
turns clockwise when seen from front of
oven.
SWITCH REMOVAL:
1. Make sure power supply to oven is off.
2. Open control compartment cover.
3. Disconnect wire to switch.
4. Depress spring clips on switch and push
forward.
SWITCH REPLACEMENT:
1. Push switch into proper control panel
opening until spring clips catch.
2. Reconnect wire to switch.
3. Close control cover.
CONTACTOR REMOVAL:
1. Make sure power supply to oven is off.
2. Open control comportment cover.
3. Disconnect wire from appropriate component.
4. Unscrew fasteners of appropriate components and remove.
CONTACTOR REPLACEMENT:
1. Attach components to mounting.
2. Replace and tighten fasteners.
3. Reconnect wires.
THERMOSTAT REPLACEMENT:
Follow Thermostat Removal in reverse order.
HEATER ELEMENT REMOVAL:
1. Make sure power supply to oven is off.
2. Remove right side panel.
3. Remove element terminal cover above
motor and disconnect wires.
4. Remove element plate and insulation
spacer.
5. Remove racks and rack supports from
oven cavity.
6. Remove baffle.
7. Remove eight screws holding element assembly to the oven wall.
8. Remove elements.
ELEMENT REPLACEMENT:
Follow Element Removal in reverse order.
DOOR INTERLOCK SWITCH BRACKET
REMOVAL (OLD STYLE):
Make sure power supply to oven is off.
Open control compartment cover.
Remove wires to door interlock switches.
Remove two bracket retaining screws.
Remove interlock switch assembly.
DOOR INTERLOCK SWITCH BRACKET
REPLACEMENT (OLD STYLE):
1. Insert long end of door activated plunger
through hole in left front side of control
THERMOSTAT REMOVAL:
compartment.
1. Make sure power supply to oven is off.
2. Replace spring and switches in bracket
and secure switch assembly with two
2. Open control compartment cover.
screws.
3. Remove racks and rack supports from
oven compartment.
3. Position switches so that push buttons
on switches just touch actuator plate on
4. Remove baffle.
plunger rod.
5. Disconnect thermocouple lead wires from
circuit board.
4. Replace wires using wiring diagram as
guide.
6. Unscrew thermocouple from oven liner.
7. Pull thermocouple and wires through oven 5. Replace control compartment cover.
liner into oven compartment and remove.
8. Remove circuit board from bracket.
8
MAINTENANCE
NEW STYLE INTERLOCK SWITCH
REMOVAL:
1. Make sure power supply to oven is off.
2. Remove lower bottom trim, remove screws
on end.
3. Remove screws from switch, to remove
switch.
4. Remove marr connectors from leads, then
remove switch.
REPLACEMENT OF SWITCH:
Follow New Style Interlock Switch Removal in
reverse order.
HI-LIMIT REMOVAL:
1. Make sure power supply to oven is off.
2. Open oven door.
3. Remove all shelves and rack supports.
4. Remove baffle from right sire.
5. Unscrew fasteners from Hi-Limit on liner
wall and pull out.
6. Remove wire leads from Hi-Limit.
HI-LIMIT REPLACEMENT:
Follow Hi-Limit Removal in reverse order.
Fig. 7
NEW STYLE INTERLOCK LOCATION
9
ITEM
PART NO.
DESCRIPTION
1
08-6308
Reed switch (fan interlock)
2
99-6168
Reed switch mounting bracket
3
REF.
Marr connectors, two
TROUBLE-SHOOTING
GENERAL:
The information in this section is intended to
assist both the operator and service personnel in locating the general source of problems
which may occur with the model 4200 compact convection oven. Before following any of
the procedures gives in this section, the op-
TROUBLE-SHOOTING GUIDE:
PROBABLE CAUSE
1. Convector fan fails to operate.
a. Power to oven is off.
b. ON-OFF switch off.
c. Oven door open.
d. Faulty cool down switch ON-OFF switch,
door switch, fan motor, wiring.
erator should be thoroughly familiar with the
operating instructions and the function of all
controls described on page 6 of this manual.
If the problem cannot be readily corrected,
the operator should contact the nearest Authorized Market Forge Service Agency for assistance.
REMEDY
a. Locate external circuit breakers for
power and place in ON position.
b. Place in ON position.
c. Close door.
d. Test each component and connecting
wire, replace as required.
2. Oven will not heat with thermostat at maximum setting, fan operating.
a. Faulty thermostat wiring.
a. Test thermostat and connecting wiring.
b. Thermostat contacts or coil faulty.
Replace as required.
b. Replace thermostat.
3. Indicator light fails to light with thermostat set, fan operating, oven hot.
a. Indicator light burned out.
a. Replace light.
b. Faulty wiring.
b. Check wiring and repair as needed.
4. Erratic oven temperature.
a. Faulty thermostat operation.
a. Recalibrate or replace as required.
5. Uneven heating.
a. One or more heating elements inopera- a. Check wiring to elements; check for
tive.
burned out elements. Replace as required.
WE RECOMMEND THAT SERVICE BE PREFORMED BY A QUALIFIED MARKET
FORGE AUTHORIZED SERVICER. SERVICE PERFORMED BY OTHERS WILL VOID
WARRANTY. MARKET FORGE IS NOT RESPONSIBLE FOR REPAIRS MADE BY
OTHER THAN AUTHORIZED SERVICE AGENTS.
10
TROUBLE-SHOOTING
WIRING:
All the electrical components of the model
4200 (ON-OFF switch, door switch, thermostat control, contactors, fan motor, and indicator light) are connected to each other by
wiring shown on page 5. If all the electrical
components are operating correctly and the
incoming power has been checked, but the
unit fails to operate, the fault lies in the wiring.
Using an ohmmeter, wiring continuity between
the connections, shown in the wiring diagram
is readily verified. This is best done in stages,
removing only those wires required for each
continuity check. As each lead is replaced, it
should be checked for evidence of corrosion
and cleaned if necessary. All leads must be
tightly attached to provide a good electrical
connection.
ELECTRICAL FAULT ISOLATION GUIDE
FAILURE
1. Oven will not operate when the thermostat is set.
2. Intermittent operation of heaters.
3. Convector fan fails to operate.
4. Indicator light off, heater under power.
5. Uneven heating.
6. (Elements Only) fails to come on.
FAULT LOCATION
a. Incoming power
b. Door switch
c. Thermostat control
d. ON-OFF switch
e. Cool down switch
f. Contactor
g. Wiring
a. Thermostat control
b. Contactor coil
c. Wiring
a. Cool down switch
b. ON-OFF switch
c. Door Switch
d. Fan motor
e. Wiring
a. Indicator light
b. Wiring
a. Heating elements
b. Wiring
a. Check switch
b. Check hi-limit switch
c. Check wiring
WE RECOMMEND THAT SERVICE BE PREFORMED BY A QUALIFIED MARKET
FORGE AUTHORIZED SERVICER. SERVICE PERFORMED BY OTHERS WILL VOID
WARRANTY. MARKET FORGE IS NOT RESPONSIBLE FOR REPAIRS MADE BY
OTHER THAN AUTHORIZED SERVICE AGENTS.
11
TROUBLE-SHOOTING
ELECTRICAL CONNECTIONS
CONTROL BOARD:
Fig. 8
NOTE: New style board CANNOT BE CALIBRATED. Check thermocouple for fault in temperature control. If thermocouple is good, replace temperature control board.
12
ILLUSTRATED PARTS LIST
GENERAL:
This section contains a complete listing of all
replaceable parts for the 4200 compact convection oven. For the purpose of parts identification, the unit is broken down into functional assemblies, and each assembly is shown
in a pictorial view which is keyed to the accompanying part list. Each parts list contains
the figure item number, the Market Forge part
number and an abbreviated description.
ORDERING INFORMATION:
Orders for repair parts should be directed to
the nearest authorized parts distributor. For
a current Market Forge Authorized Parts and
Service Distributor list go to our web site or
contact:
Market Forge Industries Inc.
Toll Free: (866) 698-3188
www.mfii.com
Parts, Service and Availability Toll Free No.:
(888) 259-7076
Fig. 9
13
ILLUSTRATED PARTS LIST
Fig. 9
4200 Compact Convection Oven
ITEM NO. PART NO. DESCRIPTION
1
2
3
4
5
99-5826
09-5268
09-6440
09-7231
09-7244
CONTROL PANEL K-MART ONLY
THERMOSTAT KNOB
RED PILOT 250V
SWITCH DPDT 250V, 10 AMP, RED, ON-OFF SWITCH
SWITCH DPDT 250V, 10 AMP, BLUE, BLOWER SWITCH
6
7
8
9
10
11
12
13
14
14A
15
15A
16
17
18
19
20
21
22
09-7235
09-7231
08-5839
99-5830
99-6136
99-6101
09-5269
09-7259
09-7241
09-7242
097336
09-7337
99-6102
99-6130
99-5054
99-5055
99-6107
09-5267
08-6351
SWITCH DPDT 250V, 10 AMP, WHITE, COOL DOWN SWITCH
SWITCH DPDT 250V, 10 AMP, RED, HEATING ELEMENTS ONLY
THERMOSTAT DECAL
TIMER DECAL
SIDE GASKET
TOP AND BOTTOM GASKET
BLOWER WHEEL
THERMOCOUPLE AND WASHER
HEATING ELEMENT, OUTER, 280V-2500W, 220V-2800W (EXPORT)
HEATING ELEMENT, OUTER, 230V-2571W, 240V-2800W
HEATING ELEMENT, INNER, 280V-2500W, 220V-2800W
HEATING ELEMENT, INNER, 230V-2571W, 240V-2800W
HEATING ELEMENT BRACKET
BAFFLE SUPPORT
BOTTOM TRIM
TOP TRIM
OVEN INTERIOR COVER PLATE
60 MINUTE TIMER KNOB
HI-LIMIT THERMOSTAT
14
ILLUSTRATED PARTS LIST
Fig. 10
Fig. 10
Control Panel, Open
ITEM NO. PART NO. DESCRIPTION
1
2
3
4
5
10-6293
REF.
10-6649
10-5551
99-5822
60 MINUTE TIMER, 240V, 50/60 HZ
REMOTE POTENTIOMETER, PART OF THERMOSTAT 08-6355
TERMINAL BLOCK
GROUND LUG
CONTROL CIRCUIT WIRE HARNESS
6
6A
7
10-5476
10-5943
08-6355
CONTACTOR, 280V, 40 AMP, 50/60 HZ
CONTACTOR, 240V, 40 AMP, 50/60 HZ
TEMPERATURE CONTROLLER, 208 OR 240V
15
ILLUSTRATED PARTS LIST
Fig. 11
Fig. 11
Right Side View
ITEM NO. PART NO. DESCRIPTION
1
2
3
4
5
09-7230
REF.
REF.
10-6874
REF.
BLOWER MOTOR, 208/230V, 1/4 HP, 2 SPEED
TEMPERATURE CONTROLLER, 208-240V
TERMINAL BLOCK
S.P.S.T. RELAY, FOR REED SWITCH, 240V
CONTACTOR, 208V, 40 AMP, 50/60 HZ
6
6A
7
8
8A
99-6108
99-6109
99-6140
09-6516
09-6599
HEATING ELEMENT COVER PLATE
HEATING ELEMENT COVER GASKET
ASSEMBLY, BLOWER MOTOR AND BRACKET
SIREN AUDIO ALERT, 120V
6.8 K CERAMIC RESISTOR FOR ALTER, NOT SHOWN
16
ILLUSTRATED PARTS LIST
Fig. 12
Fig. 12
Door Assembly
ITEM NO. PART NO. DESCRIPTION
1
2
3
4
5
08-5205
REF.
99-6115
99-6170
99-6153
DOOR HANDLE ASSEMBLY
CATCH, PART OF 08-5205
SPACER CATCH
DOOR ASSEMBLY
HINGE PIN
6
99-6154
HINGE PIN PLATE
17
ILLUSTRATED PARTS LIST
INSIDE OVEN COMPARTMENT
PART NO.
DESCRIPTION
99-5027
99-5057
99-5056
99-5052
99-5058
BAFFLE
RACK SUPPORTS
RACKS
EXTERIOR TOP PANEL
EXTERIOR REAR PANEL
99-5020
99-5035
10-0633
99-6176
99-6177
RIGHT SIDE ACCESS PANEL
LEFT SIDE PANEL
4” ADJUSTABLE LEGS
28” HIGH STAND
18” STACKED KIT WITH STAND
4200/4292 REVERSING SWING OF DOOR (S):
1. Remove door handle, P/N 08-5205, by removing three slotted screws located on
edge of handle.
2. Loosen two upper hinge pin screws. Pin will drop into door.
3. Remove door by tilting top of door outward while lifting door off of lower hinge pin.
4. Remove catch plate assembly from face of oven.
5. Remove four round head machine screws from opposite side of oven face.
6. Re-install on other side of oven face, the four round head machine screws removed
in step 5.
7. Re-locate and install catch plate assembly at new location.
8. Hold door in new position and allow hinge pin to slide out. Tighten two screws to
hold pin in this position.
9. Release the (new) top hinge pin and re-install door in the new position. Push up
hinge pin and tighten two screws to hold upper hinge pin in place.
10. Replace handle using hardware removed in step 1.
11. Adjust door by resetting adjustment on catch plate assembly.
18