PART NO. 70 - 2100 G441PL (REV-L)
OIL-LESS PISTON
VACUUM PUMPS & COMPRESSORS
OPERATION & MAINTENANCE MANUAL
Model 1HAB Shown
Model 3HBB Shown
Model 3HEB Shown
Model PCD Shown
Thank you for purchasing this Gast product. It is manufactured to the highest standards
using quality materials. Please follow all recommended maintenance, operational
and safety instructions and you will receive years of trouble free service.
IMPORTANT: PLEASE READ THIS MANUAL AND SAVE FOR FUTURE REFERENCE.
Product Use Criteria:
•
•
•
•
Pump only clean, dry air.
Operate at 32ºF - 104ºF (0ºC - 40ºC).
Protect unit from dirt & moisture.
Do not pump flammable or explosive gases or
use in an atmosphere that contains such gases.
• Protect all surrounding items from exhaust air. This
exhaust air can become very hot.
• Corrosive gases and particulate material will damage unit.
Water vapor, oil-based contaminants or other liquids must be filtered out.
• Consult your Gast Distributor/Representative before using at high altitudes.
• These pumps are oil-less and require NO lubrication.
The Teflon-filled rings are self-lubricating and require no oil.
• The motor bearings are grease-packed for the lifetime of the bearings.
ISO 9001 & 14001 CERTIFIED
www.gastmfg.com
®Registered Trademark/™Trademark of Gast Manufacturing Inc., Copyright © 2002 Gast Manufacturing Inc. All Rights Reserved.
Your safety and the safety of others
is extremely important.
We have provided many important safety messages
in this manual and on your product. Always read
and obey all safety messages.
This is the safety alert symbol. This symbol
alerts you to hazards that can kill or hurt you and
others. The safety alert symbol and the words
“DANGER” and “WARNING” will precede all safety
messages. These words mean:
DANGER
You will be killed or seriously injured if you don’t
follow instructions.
WARNING
You can be killed or seriously injured if you don’t
follow instructions.
All safety messages will identify the hazard, tell you
how to reduce the chance of injury, and tell you
what can happen if the safety instructions are not
followed.
INSTALLATION
WARNING
c
Electrical Shock Hazard
Disconnect electrical power at the circuit breaker
or fuse box before installing this product.
Install this product where it will not come into
contact with water or other liquids.
Install this product where it will be weather
protected.
Electrically ground this product.
Failure to follow these instructions can result in
death, fire or electrical shock.
Correct installation is your responsibility. Make sure
you have the proper installation conditions and that
installation clearances do not block air flow.
Lift the unit by the motor shell, motor foot or
flywheel (depending upon model design). Do Not lift
unit by shroud, filters or mufflers. These parts are
not designed to support the weight of the unit.
Blocking air flow over the product in any way can
cause the product to overheat.
Install safety guards as required to prevent potential
injury hazards or damage to surrounding objects.
Mounting
This product can be installed in any orientation.
Mounting the product to a stable, rigid operation surface
and using shock mounts will reduce noise and vibration.
Plumbing
Remove plugs from the IN and OUT ports. Connect
with pipe and fittings that are the same size or larger
than the product’s threaded ports. Be sure to connect
the intake and exhaust plumbing to the correct inlet and
outlet ports. Ports will not support plumbing.
Accessories
If unit will be used in a system where it will be required to
start against any system of back pressure, a positive
sealing, one-way check valve should be installed in the
air line between system and unit. This check valve is
included with all tank mounted compressor units.
The product’s intake and exhaust filters will provide
adequate filtration in most applications. Check filters
periodically and replace when necessary. Please consult
your Gast Distributor/Representative for additional filter
recommendations.
Install relief valves and gauges at inlet or outlet, or both,
to monitor performance. Check valves may be required
to prevent back streaming through the unit.
Motor Control
It is your responsibility to contact a qualified
electrician and assure that the electrical installation
is adequate and in conformance with all national
and local codes and ordinances. Grounding
is required.
Determine the correct overload setting required to
protect the motor (see motor starter manufacturer’s
recommendations). Select fuses, motor protective
switches or thermal protective switches to provide
protection. Fuses act as short circuit protection for the
motor, not as protection against overload. Incoming line
fuses must be able to withstand the motor’s starting
current. Motor starters with thermal magnetic overload
or circuit breakers protect motor from overload or
reduced voltage conditions.
The wiring diagram supplied with the product provides
required electrical information. Check that power
source is correct to properly operate the dual-voltage
motors.
Electrical Connection
WARNING
c
Model that is permanently wired:
This product must be connected to a grounded,
metallic, permanent wiring system, or an equipment
grounding terminal or lead on the product.
Power supply wiring must conform to all required safety
codes and be installed by a qualified person. Check
that supply voltage agrees with that listed on product
nameplate.
Electrical Shock Hazard
This product must be properly grounded.
Do not modify the plug provided. If it will not
fit the outlet, have the proper outlet installed
by a qualified electrician.
If repair or replacement of the cord or plug is
necessary, do not connect the grounding wire
to either flat blade terminal. The wire with
insulation that is green or green with yellow
stripes is the grounding wire.
Check the condition of the power supply wiring.
Do not permanently connect this product to
wiring that is not in good condition or is
inadequate for the requirements of this product.
Failure to follow these instructions can result in
death, fire or electrical shock.
Model with a power supply cord:
This product must be grounded. For either 120-volt or
220/240-volt circuits connect power supply cord
grounding plug to a matching grounded outlet. Do not
use an adapter. (See diagram.)
In the event of an electrical short circuit, grounding
reduces the risk of electric shock by providing an
escape wire for the electric current. This product may
be equipped with a power supply cord having a
grounding wire with an appropriate grounding plug.
The plug must be plugged into an outlet that is properly
installed and grounded in accordance with all local
codes and ordinances.
Extension cords:
Use only a 3-wire extension cord that has a 3-blade
grounding plug. Connect extension cord plug to a
matching 3-slot receptacle. Do not use an adapter.
Make sure your extension cord is in good condition.
Check that the gage wire of the extension cord is the
correct size wire to carry the current this product will
draw.
An undersized cord is a potential fire hazard, and will
cause a drop in line voltage resulting in loss of power
causing the product to overheat. The following table
indicates the correct size cord for length required and
the ampere rating listed on the product nameplate. If in
doubt, use the next heavier gage cord. The smaller
the gage number, the heavier the wire gage.
Minimum gage for extension cords
Amps
0-2
2-3
3-4
4-5
5-6
6-8
8-10
10-12
12-14
14-16
16-18
18-20
Volts
Length of cord in feet
120v
240v
25
50
50
100
100
200
150
300
200
400
250
500
300
600
400
800
500
1000
18
18
18
18
18
18
18
16
16
16
14
14
18
18
18
18
16
16
14
14
12
12
12
12
18
16
16
14
14
12
12
10
10
10
8
8
16
14
14
12
12
10
10
8
8
8
8
6
16
14
12
12
10
10
8
8
6
6
6
6
14
12
12
10
10
8
8
6
6
6
4
4
14
12
10
10
8
6
6
6
6
4
4
4
12
10
10
8
8
6
6
4
4
4
2
2
12
10
8
8
8
6
4
4
2
2
2
2
OPERATION
Check with a qualified electrician or serviceman if
the grounding instructions are not completely
understood, or if you are not sure whether the
product is properly grounded. Do not modify the
plug provided. If it will not fit the outlet, have the
proper outlet installed by a qualified electrician.
WARNING
Injury Hazard
Install proper safety guards as needed.
Keep fingers and objects away from openings and
rotating parts.
When provided, motor terminal covers must be in
place for safe operation.
Product surfaces become very hot during operation,
allow product surfaces to cool before handling.
Air stream from product may contain solid or liquid
material that can result in eye or skin damage,
wear proper eye protection.
Wear hearing protection. Sound level from motor
may exceed 70 dBA.
Grounded Plug
Grounding Pin
120-volt grounded connectors
shown. 220/240-volt grounded
connectors will differ in shape.
Grounded Outlet
Failure to follow these instructions can result in
burns, eye injury or other serious injury.
It is your responsibility to operate this product at
recommended pressures or vacuum duties and
room ambient temperatures. Do not start against a
vacuum or pressure load. Do not remove relief
valve head while unit is operating.
Start Up
If motor fail to start or slows down significantly under
load, shut off and disconnect from power supply. Check
that voltage is correct for motor and that motor is
turning in the proper direction. If the motor is turning in
the wrong direction, it will overheat.
MAINTENANCE
WARNING
c
Electrical Shock Hazard
Disconnect electrical power supply cord before
performing maintenance on this product.
If product is hard wired into system, disconnect
electrical power at the circuit breaker or fuse box
before performing maintenance on this product.
Failure to follow these instructions can result in
death, fire or electrical shock.
WARNING
Injury Hazard
Product surfaces become very hot during operation,
allow product surfaces to cool before handling.
Air stream from product may contain solid or liquid
material that can result in eye or skin damage,
wear proper eye protection.
Failure to follow these instructions can result in
burns, eye injury or other serious injury.
It is your responsibility to:
• Regularly inspect and make necessary repairs to
product in order to maintain proper operation.
• Make sure that pressure and vacuum is released
from product before starting maintenance.
If unit is operated at maximum duties in a fairly clean,
65ºF - 75ºF (18ºC - 24ºC) ambient environment with
35% relative humidity, complete first inspection and
maintenance after 4000 hours of operation. Earlier
maintenance may be required depending upon the
environment.
Check intake and exhaust filters after first 500 hours of
operation. Clean filters and determine how frequently
filters should be checked during future operation. This
one procedure will help assure the product’s
performance and service life.
Check the thickness of the rider ring. It should measure
greater than .055”. Change all rings if thickness
measures .055” or less.
1.
2.
3.
4.
Disconnect electrical power supply to unit.
Vent all air lines.
Remove filter cover.
Check filter felt. Replace felt if it is covered with
contamination or shows signs of increasing
differential pressure.
5. Reinstall felt and filter cover.
Check that all external accessories such as relief
valves and gauges are attached and are not
damaged before re-operating product.
Pressure or Vacuum Tank Systems
Check the air filter cartridge. A dirty filter restricts air
flow and causes unit to run hotter resulting in longer
operating cycles.
Check the air receiver for moisture regularly. The
humidity in the environment will determine how quickly
moisture will accumulate and need to be drained.
Clean the pump and motor regularly. Dirt and film
buildup on the outer shell affects the unit’s ability to
dissipate heat.
SHUTDOWN PROCEDURES
It is your responsibility to follow proper shutdown
procedures to prevent product damage.
NEVER ADD OIL TO THIS OIL-LESS PUMP.
Proper shutdown procedures must be followed to
prevent pump damage. Failure to do so may result in
premature pump failure. Gast Manufacturing Oil-Less
Piston Vacuum Pumps and Compressors are
constructed of ferrous metals or aluminum which are
subject to rust and corrosion when pumping
condensable vapors such as water. Follow the steps
below to assure correct storage and shutdown between
operating periods.
1. Disconnect plumbing.
2. Operate product for at least 5 minutes without
plumbing.
3. Run at maximum vacuum for 10 - 15 minutes.
4. Repeat step 2.
5. Disconnect power supply.
6. Plug open ports to prevent dirt or other
contaminants from entering product.
SERVICE KIT INSTALLATION
WARNING
c
Electrical Shock Hazard
Disconnect electrical power supply cord before
installing Service Kit.
If product is hard wired into system, disconnect
electrical power at the circuit breaker or fuse box
before installing Service Kit.
Check that all external accessories such as relief
valves and gauges are attached to cover and are
not damaged before re-operating product.
If pump still does not produce proper vacuum or
pressure, send unit to a Gast Authorized Service Facility
for repair.
SPECIFIC PROBLEMS AND REMEDIES
Unit stalls after vacuum or pressure starts building
up in receiver:
1. Disconnect electrical power supply from unit.
2. Check that voltage from power source matches that
listed on nameplate.
3. Check wiring connections against diagram on
nameplate. Single voltage motors will operate only
at designated voltage.
Vent all air lines to release pressure or vacuum.
Failure to follow these instructions can result in
death, fire or electrical shock.
Gast will NOT guarantee field-rebuilt product
performance. For performance guarantee, the
product must be returned to a Gast Authorized
Service Facility.
Service Kit contents vary. Most contain head and
cylinder gaskets, valves, piston rings and seals, rider
rings and felt filters.
1. Disconnect electrical power to pump.
2. Disconnect air supply and vent all air lines to
release pressure or vacuum.
3. Remove shroud, cylinder head and valve
components.
4. Remove cylinder and rings.
5. Clean all parts with water or non-petroleum based
solvent such as Gast AH255B Solvent. Do Not use
kerosene or ANY other combustible solvents.
6. Install piston seals, piston rings and rider rings on
piston. Locate ring joints approximately opposite
each other.
7. Use cylinder screws with washers to attach cylinder
to bracket. Tighten screws only until they are finger
tight.
8. Move pistons to top dead center position. Adjust
each cylinder flush with top of piston.
9. Torque cylinder screws to 150-160 in. lbs.
10. Replace valve components in original order.
11. Install cylinder head and head screws. The exhaust
ports have been marked on the cylinder heads by
omitting the ends of two of the fins. Do not
tighten screws at this time.
12 Install manifold nuts and seals on manifold. Insert
into cylinder head and manifold.
13. Torque head screws to 150-160 in. lbs.
14. Turn fan by hand to check that rod assembly is not
hitting head. If rod hits head, loosen cylinders and
adjust.
15. Install manifold and tighten manifold nut one-quarter
to one-half turn beyond finger tight.
16. Operate unit for 10 minutes. Tighten screws again.
17. Install fan shroud.
Motor will not start:
1. Disconnect electrical power supply from unit.
2. Check that voltage from power source matches that
listed on nameplate.
3. Check wiring connections against diagram on
nameplate. Single voltage motors will operate only
at designated voltage.
4. Reconnect electrical supply to unit. Check that
power is on. If extension cord is used, check that it
is the correct size and length to adequately supply
power to the unit.
5. If unit will still not operate, contact your Gast
Distributor/Representative or a Gast Authorized
Service Facility.
Motor starts at 0 PSI but will not start under
pressure:
1. Replace the check valve.
2. Wait for the thermal overload switch to reset before
attempting to operate.
3. If unit will not restart, the thermal overload switch
may need to be replaced. If there isn’t a thermal
overload switch, the motor may be damaged and
requires service.
Motor starts intermittently:
1. Disconnect electrical power supply from unit.
2. Check points in the pressure or vacuum switch for
wear or dirt.
3. Check for dirt buildup or uneven wear.
4. Replace parts as required.
Unit cycles On-Off more often than when first
installed:
1. Check air receiver and drain water that has
accumulated.
Unit or motor is running more often than when first
installed:
1. Check system for air leaks. If new or different
pneumatic equipment has been added, the air
requirements may have changed.
2. Check and clean filters.
3. Check for buildup of foreign material on head.
4. Check valves and rings for wear and damage.
Air receiver loses pressure:
1. Check for system leaks through pipes, fittings and
seals.
2. Inspect the check valve to see if it is allowing air
pressure to leak back into unit.
3. Pressure pumps will have bubbles around head
assembly during operation. Stop operating the
pump for a few minutes and check for air leaks at
pump.
4. Vacuum systems should have the check valve
removed and inspected for dirt buildup. It may be
necessary to need an AV460 filter installed prior to
tank to eliminate contaminants.
A leak is located at the unit:
1. Vent all pressure from inside the air receiver until
gauge reads 0 PSI.
2. Inspect check valve for dirt buildup, wear and proper
operation.
3. Replace check valve if necessary.
PARTS & ORDERING INFORMATION
Please reference the exploded view on the opposite page for the following model and parts table.
1HAA / 1HAB SERIES
REF
DESCRIPTION
QTY
1HAA
1HAB
1HAE
1LAA
1
2∆
3
4
5∆
6∆
7
8∆
9∆
10
11 ∆
12 ∆
13 ∆
14
15
16
17
18
***
***
INLET FILTER ASSEMBLY
FELT
SAFETY VALVE
CYLINDER HEAD
HEAD GASKET
OUTLET VALVE
PLATE VALVE
INLET VALVE
CYLINDER GASKET
CYLINDER
PISTON RING
PISTON SEAL
RIDER RING
PISTON ROD ASSEMBLY
COUNTER WEIGHT
FLAT KEY
FAN
SHROUD
TANK ASSEMBLY
SERVICE KIT
1
1
1
1
1
1
1
1
1
1
2
2
1
1
1
1
1
1
1
1
B300A
B344A
AS100E
AF508
AF518
AF531
AF529
AF530
AF519A
AF510
AF527
AF526
AF594
AF560A
AF517A
AF524
AF533
AF534
–
K264
B300A
B344A
AS100G
AF508
AF518
AF531
AF529
AF530
AF519A
AF510
AF527
AF526
AF594
AF560B
AF517B
AF524
AF533
AF534
AF599
K264
B300A
B344A
AS100G
AF508
AF518
AF531
AF529
AF530
AF519A
AF510
AF527
AF526
AF594
AF560E
AF517E
AF524
AF533
AF534
–
K264
B300A
B344A
AS100C
AF508
AF518
AF531
AF529
AF530
AF519A
AF510
AF527
AF526
AF594
AF560A
AF517A
AF524
AF533
AF534
1VAF
B300A
B344A
–
AF508
AF518
AF531
AF529
AF530
AF519A
AF510
AF527
AF526
AF594
AF560F
AF517D
AF524
AF533
AF534
AF599AA-1 –
K264
K264
2HAH
2LAF
3HEB
3HEE
3LEM
B300A
B344A
AS100G
AF508
AF518
AF531
AF529
AF530
AF519A
AF510
AF527
AF526
AF594
AF560H
AF517C
AF524
AF547
AF534
AF599
K264
B300F
B344A
AS100C
AF508
AF518
AF531
AF529
AF530
AF519A
AF510
AF527
AF526
AF594
AF560F
AF517D
AF524
AF547
AF534
–
K264
B300F
B344A
AS100G
AH691
AF520A
AF545
AK779
AF544
AF521
AF509
AF541
AF540
AF595
AK893B
AT780B
AB136
AF547
AT343
–
K514A
B300F
B344A
AS100G
AH691
AF520A
AF545
AK779
AF544
AF521
AF509
AF541
AF540
AF595
AK893E
AK780E
AB136
AF547
AT343
–
K514A
B300F
B344A
AS100C
AH691
AF520A
AF545
AK779
AF544
AF521
AF509
AF541
AF540
AF595
AK893M
AK780A
AB136
AF547
AT343
–
K514A
Model 1HAB shown.
*** Item not shown.
∆ Denotes parts included in the Service Kit.
Parts listed are for stock models. For specific OEM models, please consult the factory.
When corresponding or ordering parts, please give complete model and serial numbers.
EXPLODED PRODUCT VIEW – MODEL 1HAB
PARTS & ORDERING INFORMATION
Please reference the exploded view on the opposite page for the following model and parts tables.
1VBF – 3LBD SERIES
REF
DESCRIPTION
QTY
1VBF
1
INLET FILTER ASSEMBLY
1
2
2
1
2
2
2
2
2
2
2
4
4
2
2
1
1
1
2
1
B300A
B344A
–
AF508
AF518
AF531
AF529
AF530
AF519A
AF510
AF527
AF526
AF560F
AF594
AF524
AF533
AF535
AF567A
K260
2∆
3
4
5∆
6∆
7
8∆
9∆
10
11 ∆
12 ∆
13
14 ∆
15
16
17
18 ∆
***
FELT
SAFETY VALVE
CYLINDER HEAD
HEAD GASKET
OUTLET VALVE
PLATE VALVE
INLET VALVE
CYLINDER GASKET
CYLINDER
PISTON RING
PISTON SEAL
PISTON ROD ASSEMBLY
RIDER RING
FLAT KEY
FAN/FAN ASSEMBLY
SHROUD
MANIFOLD SLEEVE
SERVICE KIT
1VSF
2LBB
2HBB
2HBC
3HBB
3HBE
3LBA
3LBD
B344A
–
AF508
AF518
AF531
AF529
AF530
AF519A
AF510
AF527
AF526
AF560F
AF594
AF524
AF533
AF535
AF567A
K260
B300A
B344A
AS100C
AF508
AF518
AF531
AF529
AF530
AF519A
AF510
AF527
AF526
AF560B
AF594
AF524
AF533
AF535
AF567A
K260
B300A
B344A
AS100G
AF508
AF518
AF531
AF529
AF530
AF519A
AF510
AF527
AF526
AF560B
AF594
AF524
AF533
AF535
AF567A
K260
B300A
B344A
AS100G
AF508
AF518
AF531
AF529
AF530
AF519A
AF510
AF527
AF526
AF560C
AF594
AF524
AF533
AF535
AF567A
K260
B300A
B344A
AS100G
AF508
AF518
AF531
AF529
AF530
AF519A
AF510
AF527
AF526
AF560B
AF594
AF524
AF533
AF535
AF567A
K260
B300A
B344A
AS100G
AF508
AF518
AF531
AF529
AF530
AF519A
AF510
AF527
AF526
AF560E
AF594
AH984
AF547
AF535
AF567A
K260
B300A
B344A
AS100C
AF508
AF518
AF531
AF529
AF530
AF519A
AF510
AF527
AF526
AF560A
AF594
AF524
AF533
AF535
AF567A
K260
B300A
B344A
AS100C
AF508
AF518
AF531
AF529
AF530
AF519A
AF510
AF527
AF526
AF560D
AF594
AH984
AF547
AF535
AF567A
K260
4VSF
4HCJ
4LCB
4HCC
5LCA
5HCD
5HCE
6HCN
6HCA
B300A
B344A
AS100G
AF507
AF520A
AF545
AF543
AF544
AF521
AF509
AF541
AF540
AF561J
AF595
AB136D
AF547
AF549
AF567A
K263
B300A
B344A
AS100D
AF507
AF520A
AF545
AF543
AF544
AF521
AF509
AF541
AF540
AF561B
AF595
AB136D
AF547
AF549
AF567A
K263
B300A
B344A
AS100G
AF507
AF520A
AF545
AF543
AF544
AF521
AF509
AF541
AF540
AF561C
AF595
AB136D
AF547
AF549
AF567A
K263
B300F
B344A
AS100E
AF507
AF520A
AF545
AF543
AF544
AF521
AF509
AF541
AF540
AF561A
AF595
AB136D
AF547
AF549
AF567A
K263
B300A
B344A
AS100H
AF507
AF520A
AF545
AF543
AF544
AF521
AF509
AF541
AF540
AF561D
AF595
AB136D
AF547
AF549
AF567A
K263
B300A
B344A
AS100H
AF507
AF520A
AF545
AF543
AF544
AF521
AF509
AF541
AF540
AF561E
AF595
AB136D
AF547
AF549
AF567A
K263
B300F
B344A
AS100H
AF507
AF520A
AF545
AF543
AF544
AF521
AF509
AF541
AF540
AF561N
AF595
AB136F
AF747
AF656
AF567A
K263
B300F
B344A
AS100H
AF507
AF520A
AF545
AF543
AF544
AF521
AF509
AF541
AF540
AF561A
AF595
AB136F
AF747
AF656
AF567A
K263
B300A
4VCF – 6HCA SERIES
REF
DESCRIPTION
QTY
4VCF
1
INLET FILTER ASSEMBLY
1
2
2
1
2
2
2
2
2
2
2
4
4
2
2
1
1
1
2
1
B300F
B344A
–
AF507
AF520A
AF545
AF543
AF544
AF521
AF509
AF541
AF540
AF561F
AF595
AB136D
AF547
AF549
AF567A
K263
2∆
3
4
5∆
6∆
7
8∆
9∆
10
11 ∆
12 ∆
13
14 ∆
15
16
17
18 ∆
***
FELT
SAFETY VALVE
CYLINDER HEAD
HEAD GASKET
OUTLET VALVE
PLATE VALVE
INLET VALVE
CYLINDER GASKET
CYLINDER
PISTON RING
PISTON SEAL
PISTON ROD ASSEMBLY
RIDER RING
KEY
FAN/FAN ASSEMBLY
SHROUD
MANIFOLD SLEEVE
SERVICE KIT
B300F
B344A
–
AF507
AF520A
AF545
AF543
AF544
AF521
AF509
AF541
AF540
AF561F
AF595
AB136D
AF547
AF549
AF567A
K263
Model 1VBF shown.
*** Item not shown.
∆ Denotes parts included in the Service Kit.
Parts listed are for stock models. For specific OEM models, please consult the factory.
When corresponding or ordering parts, please give complete model and serial numbers.
EXPLODED PRODUCT VIEW – MODEL 1VBF
PARTS & ORDERING INFORMATION
Please reference the exploded views on the next page for the following model and parts tables.
PAB – VAB SERIES
REF
DESCRIPTION
QTY
PAB
VAB
1
2∆
3
4
5∆
6∆
7
8∆
9∆
10
11 ∆
12 ∆
13 ∆
14
15
15A
16
17
18
***
FILTER ASSEMBLY
FELT
SAFETY VALVE
CYLINDER HEAD
HEAD GASKET
OUTLET VALVE
PLATE VALVE
INLET VALVE
CYLINDER GASKET
CYLINDER
PISTON RING
PISTON SEAL
RIDER RING
PISTON ROD ASSEMBLY
PULLEY
COUNTER WEIGHT
FLAT KEY
FAN
SHROUD
SERVICE KIT
1
1
1
1
1
1
1
1
1
1
2
2
1
1
1
1
1
1
1
1
B300A
B344A
AS100G
AF508
AF518
AF531
AF529
AF530
AF519A
AF510
AF527
AF526
AF594
AF560B
AB140C
AF517B
AF524
AF533
AF534
K264
B300A
B344A
–
AF508
AF518
AF531
AF529
AF530
AF519A
AF510
AF527
AF526
AF594
AF560B
AB140C
AF517B
AF524
AF533
AF534
K264
VBB – PCA-10 SERIES
REF
DESCRIPTION
QTY
VBB
VCD
PBB
PCA-10
1
2∆
3
4
5∆
6∆
7
8∆
9∆
10
11 ∆
12 ∆
13
14 ∆
15
16
17
18
19
***
FILTER ASSEMBLY
FELT
SAFETY VALVE
CYLINDER HEAD
HEAD GASKET
OUTLET VALVE
PLATE VALVE
INLET VALVE
CYLINDER GASKET
CYLINDER
PISTON RING
PISTON SEAL
PISTON ROD ASSEMBLY
RIDER RING
PULLEY
FLAT KEY
FAN
SHROUD
MANIFOLD SLEEVE
SERVICE KIT
2
2
1
2
2
2
2
2
2
2
4
4
2
2
1
1
1
1
2
1
B300A
B344A
–
AF508
AF518
AF531
AF529
AF530
AF519A
AF510
AF527
AF526
AF560B
AF594
AB140C
AF524
AF533
AF535
AF567A
K260
B300A
B344A
–
AF507
AF520A
AF545
AF543
AF544
AF521
AF509
AF541
AF540
AF561D
AF595
AK670
AB136
AF547
AF549
AF567A
K263
B300A
B344A
AS100G
AF508
AF518
AF531
AF529
AF530
AF519A
AF510
AF527
AF526
AF560B
AF594
AB140C
AF524
AF533
AF535
AF567A
K260
B300F
B344A
AS100H
AF507
AF520A
AF545
AF543
AF544
AF521
AF509
AF541
AF540
AF561A
AF595
AK670
AB136
AF661
AF656
AF567A
K263
Models PAB and PBB shown.
** Item not shown.
∆ Denotes parts included in the Service Kit.
Parts listed are for stock models. For specific OEM models, please consult the factory.
When corresponding or ordering parts, please give complete model and serial numbers.
EXPLODED PRODUCT VIEWS – MODEL PAB (TOP) & MODEL PBB (BOTTOM)
PARTS & ORDERING INFORMATION
Please reference the exploded view on the next page for the following model and parts table.
5VDF – 8LDF SERIES
REF
DESCRIPTION
1
INLET FILTER ASSEMBLY
2∆
3
4
5∆
6∆
7
8∆
9∆
10
11 ∆
12 ∆
13
14 ∆
15
16
17
18
19
20
20
21
22
***
QTY
2
4
FELT
2
4
SAFETY VALVE
1
CYLINDER HEAD
4/2
HEAD GASKET
4/2
OUTLET VALVE
4/2
PLATE VALVE
4/2
INLET VALVE
4/2
CYLINDER GASKET
4/2
CYLINDER
4/2
PISTON RING
8/4
PISTON SEAL
8/4
PISTON ROD ASSEMBLY
4/2
RIDER RING
4/2
MANIFOLD
1
SQUARE KEY
2/1
FAN/FAN ASSEMBLY-CCW 1
FAN ASSEMBLY-CW
1
SHROUD
2/1
MANIFOLD SLEEVE
2
MANIFOLD SLEEVE
5
TANK ASSEMBLY
1
MANIFOLD
2/1
SERVICE KIT
1
5VDF
5VSF
6LCF **
B300F
B300F
B344A
B344A
–
AF507
AF520A
AF545
AF543
AF544
AF521
AF509
AF541
AF540
AF561F
AF595
AF659
AB136F
AF748
AF747
AF656
–
AF567A
–
AF550E
K303
AS100D
AF507
AF520A
AF545
AF543
AF544
AF521
AF509
AF541
AF540
AF561F
AF595
–
AB136F
AF748
AF747
AF656
AF567A
–
AF606-1
AF550E
K263
B300F
**
**
**
**
**
**
**
**
**
**
**
**
**
**
B344A
–
AF507
AF520A
AF545
AF543
AF544
AF521
AF509
AF541
AF540
AF561F
AF595
AF659
AB136F
AF748
AF747
AF656
–
AF567A
–
AF550E
K303
6HDK
7LDE
7HDD
7HDE
8HDM
8HDN
8LDF
B300A
B300F
B300A
B300A
B300F
B300F
B300F
B344A
AS100G
AF507
AF520A
AF545
AF543
AF544
AF521
AF509
AF541
AF540
AF561K
AF595
AF659
AB136F
AF748
AF747
AF656
–
AF567A
AF606-1
AF550C
K303
B344A
AS100D
AF507
AF520A
AF545
AF543
AF544
AF521
AF509
AF541
AF540
AF561E
AF595
AF659
AB136F
AF748
AF747
AF656
–
AF567A
AF606-1
AF550D
K303
B344A
AS100G
AF507
AF520A
AF545
AF543
AF544
AF521
AF509
AF541
AF540
AF561D
AF595
AF659
AB136F
AF748
AF747
AF656
–
AF567A
AF606-1
AF550B
K303
B344A
AS100G
AF507
AF520A
AF545
AF543
AF544
AF521
AF509
AF541
AF540
AF561E
AF595
AF659
AB136F
AF748
AF747
AF656
–
AF567A
–
AF550D
K303
B344A
AS100F
AF507
AF520A
AF545
AF543
AF544
AF521
AF509
AF541
AF540
AF561M
AF595
AF659
AB136F
AF748
AF747
AF656
–
AF567A
AF606-1
AF550A
K303
B344A
AS100G
AF507
AF520A
AF545
AF543
AF544
AF521
AF509
AF541
AF540
AF561N
AF595
AF659
AB136F
AF748
AF747
AF656
–
AF567A
AF606-1
AF550A
K303
B344A
AS100B
AF507
AF520A
AF545
AF543
AF544
AF521
AF509
AF541
AF540
AF561F
AF595
AF659
AB136F
AF748
AF747
AF656
–
AF567A
–
AF550E
K303
Model 5VDF shown.
** 6LCF is a two-cylinder unit. Other models are four-cylinder units.
*** Item not shown.
∆ Denotes parts included in the Service Kit.
Parts listed are for stock models. For specific OEM models, please consult the factory.
When corresponding or ordering parts, please give complete model and serial numbers.
EXPLODED PRODUCT VIEW – MODEL 5VDF
WARRANTY
Gast finished products, when properly installed and operated under normal conditions of use, are warranted by Gast to
be free from defects in material and workmanship for a period of twelve (12) months from the date of purchase from
Gast or an authorized Gast Representative or Distributor. In order to obtain performance under this warranty, the buyer
must promptly (in no event later than thirty (30) days after discovery of the defect) give written notice of the defect to
Gast Manufacturing Incorporated, PO Box 97, Benton Harbor Michigan USA 49023-0097 or an authorized Service
Center (unless specifically agreed upon in writing signed by both parties or specified in writing as part of a Gast OEM
Quotation). Buyer is responsible for freight charges both to and from Gast in all cases.
This warranty does not apply to electric motors, electrical controls, and gasoline engines not supplied by Gast. Gast’s
warranties also do not extend to any goods or parts which have been subjected to misuse, lack of maintenance,
neglect, damage by accident or transit damage.
THIS EXPRESS WARRANTY EXCLUDES ALL OTHER WARRANTIES OR REPRESENTATIONS EXPRESSED OR
IMPLIED BY ANY LITERATURE, DATA, OR PERSON. GAST’S MAXIMUM LIABILITY UNDER THIS EXCLUSIVE
REMEDY SHALL NEVER EXCEED THE COST OF THE SUBJECT PRODUCT AND GAST RESERVES THE RIGHT,
AT ITS SOLE DISCRETION, TO REFUND THE PURCHASE PRICE IN LIEU OF REPAIR OR REPLACEMENT.
GAST WILL NOT BE RESPONSIBLE OR LIABLE FOR INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
however arising, including but not limited to those for use of any products, loss of time, inconvenience, lost profit, labor
charges, or other incidental or consequential damages with respect to persons, business, or property, whether as a
result of breach of warranty, negligence or otherwise. Notwithstanding any other provision of this warranty, BUYER’S
REMEDY AGAINST GAST FOR GOODS SUPPLIED OR FOR NON-DELIVERED GOODS OR FAILURE TO FURNISH
GOODS, WHETHER OR NOT BASED ON NEGLIGENCE, STRICT LIABILITY OR BREACH OF EXPRESS OR
IMPLIED WARRANTY IS LIMITED SOLELY, AT GAST’S OPTION, TO REPLACEMENT OF OR CURE OF SUCH
NONCONFORMING OR NON-DELIVERED GOODS OR RETURN OF THE PURCHASE PRICE FOR SUCH GOODS
AND IN NO EVENT SHALL EXCEED THE PRICE OR CHARGE FOR SUCH GOODS. GAST EXPRESSLY
DISCLAIMS ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE OR PURPOSE WITH
RESPECT TO THE GOODS SOLD. THERE ARE NO WARRANTIES WHICH EXTEND BEYOND THE DESCRIPTIONS
SET FORTH IN THIS WARRANTY, notwithstanding any knowledge of Gast regarding the use or uses intended to be
made of goods, proposed changes or additions to goods, or any assistance or suggestions that may have been made
by Gast personnel.
Unauthorized extensions of warranties by the customer shall remain the customer’s responsibility.
CUSTOMER IS RESPONSIBLE FOR DETERMINING THE SUITABILITY OF GAST PRODUCTS FOR CUSTOMER’S
USE OR RESALE, OR FOR INCORPORATING THEM INTO OBJECTS OR APPLICATIONS WHICH CUSTOMER
DESIGNS, ASSEMBLES, CONSTRUCTS OR MANUFACTURES.
This warranty can be modified only by authorized Gast personnel by signing a specific, written description of any
modifications.
MAINTENANCE RECORD
DATE
PROCEDURE PERFORMED
MAINTENANCE RECORD
DATE
PROCEDURE PERFORMED
PART NO. 70 - 2100 G441PL (REV-L)
TROUBLESHOOTING CHART
Vacuum
Low
Pressure
High
Vacuum
Pressure
•
•
At pump
Pump
Overheat
Motor
Overload
Excess
Noise
Reason and remedy
for problem.
•
•
•
Filter dirty. Clean or replace.
•
•
•
Muffler dirty. Clean or replace.
•
•
•
Valves dirty or valves bent.
Clean or replace.
•
•
•
Damaged or worn piston rings.
Repair or replace.
•
•
•
•
•
•
At pump
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
Leaky relief valve.
Inspect and adjust.
•
Damaged valves.
Replace.
•
Plugged vacuum/pressure line.
Inspect and repair.
Low voltage, won’t start.
Check power source.
•
Worn rings/piston hitting cylinder.
Replace.
•
Cylinder misadjustment.
Realign.
•
Leaky hose or check valve.
Replace.
•
Dirt or liquid on top of piston.
Inspect and clean.
•
Blown head gasket.
Replace.
We have Gast Authorized Repair Facilities throughout the world. For the most
up-to-date listing, contact one of our sales offices below:
World Headquarters
P.O. Box 97
2550 Meadowbrook Rd.
Benton Harbor, MI 49023-0097
Ph: 269/926-6171
FAX: 269/925-8288
www.gastmfg.com
European Sales & Service
Headquarters
Beech House Knaves Beech
Business Centre
Loudwater, High Wycombe Bucks,
England HP10 9SD
Tel: +44 1628 551500
Fax: +44 1628 551590
www.gastmfg.com
Gast Hong Kong
Unit 12, 21/F, Block B
New Trade Plaza
6, On Ping Street, Shatin
N. T. Hong Kong
Ph: (852) 2690 1008
Fax: (852) 2690 1012
www.gasthk.com
ISO 9001 & 14001 CERTIFIED
www.gastmfg.com
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