Graco 239877, 239887, 239888 User Manual
INSTRUCTIONS–PARTS LIST
PARTS
308883
Rev. D
INSTRUCTIONS
This manual contains important
warnings and information.
READ AND KEEP FOR REFERENCE.
First choice when
quality counts.
50:1 Ratio Fire-Ball Grease Pumps
FOR LUBRICATING PRODUCTS ONLY
8400 psi (58 MPa, 580 bar) Maximum Fluid Working Pressure
140 psi (0.97 MPa, 9.7 bar) Maximum Air Working Pressure
Model No. 239877, pail length
Model No. 239887, 120-pound drum length
Model No. 239888, 400-pound drum length
WARNING
This product is designed to be used only in
pumping non-corrosive and non-abrasive lubricants
and greases. Any other use can cause unsafe
operating conditions and result in component
rupture, fire, or explosion, which can cause serious
injury, including fluid injection.
Table of Contents
Warnings 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operation 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Troubleshooting 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Displacement Pump Service 9. . . . . . . . . . . . . . . . . . . . .
Air Motor and Throat Service 11. . . . . . . . . . . . . . . . . . . .
Parts Drawing 14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Parts List 15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Dimensional Drawings 17. . . . . . . . . . . . . . . . . . . . . . . . .
Mounting Hole Layout 17. . . . . . . . . . . . . . . . . . . . . . . . . .
Technical Data 17. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Warranty 18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Graco Phone Number 18. . . . . . . . . . . . . . . . . . . . . . . . . .
Model No. 239887 shown
9038A
GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440–1441
COPYRIGHT 1999, GRACO INC.
Graco Inc. is registered to I.S. EN ISO 9001
Symbols
Warning Symbol
WARNING
This symbol alerts you to the possibility of serious
injury or death if you do not follow the instructions.
WARNING
EQUIPMENT MISUSE HAZARD
Equipment misuse can cause the equipment to rupture or malfunction and result in serious injury.
This equipment is for professional use only.
Read all instruction manuals, tags, and labels before you operate this equipment.
Use the equipment only for its intended purpose. If you are not sure, call your Graco distributor.
Do not modify this equipment.
Caution Symbol
CAUTION
This symbol alerts you to the possibility of damage to
or destruction of equipment if you do not follow the
instructions.
Check equipment daily. Repair or replace worn or damaged parts immediately.
Do not exceed the maximum working pressure of the lowest rated component in your system.
This equipment has a 8400 psi (58 MPa, 580 bar) maximum working pressure at 140 psi
(0.97 MPa, 9.7 bar) maximum incoming air pressure.
Use fluids and solvents which are compatible with the equipment wetted parts. Refer to the
Technical Data section of all equipment manuals. Read the fluid and solvent manufacturer’s
warnings.
Handle hoses carefully. Do not pull on hoses to move equipment.
Route hoses away from traffic areas, sharp edges, moving parts, and hot surfaces. Do not
expose Graco hoses to temperatures above 66C (150F) or below –40C (–40F).
Do not move or lift pressurized equipment.
Comply with all applicable local, state, and national fire, electrical, and safety regulations.
2 308883
WARNING
INJECTION HAZARD
Fluid from the dispensing valve, leaks, or ruptured components can inject fluid into your body and
cause extremely serious injury, including the need for amputation. Fluid splashed in the eyes or on
the skin can also cause serious injury.
Fluid injected into the skin might look like just a cut, but it is a serious injury. Get immediate
medical attention.
Do not point the dispensing valve at anyone or at any part of the body.
Do not put your hand or fingers over the end of the dispensing valve.
Do not stop or deflect leaks with your hand, body, glove or rag.
Use only extensions and no-drip tips which are designed for use with your dispensing valve.
Do not use a low pressure flexible nozzle with this equipment.
Follow the Pressure Relief Procedure on page 7 if the grease fitting coupler clogs and before
you clean or service this equipment.
Tighten all fluid connections before you operate this equipment.
Check the hoses, tubes, and couplings daily. Replace worn or damaged parts immediately. Do
not repair high pressure couplings; you must replace the entire hose.
TOXIC FLUID HAZARD
Hazardous fluids or toxic fumes can cause serious injury or death if splashed in the eyes or on the
skin, inhaled, or swallowed.
Know the specific hazards of the fluid you are using.
Store hazardous fluid in an approved container. Dispose of hazardous fluid according to all local,
state and national guidelines.
Always wear protective eyewear, gloves, clothing and respirator as recommended by the fluid
and solvent manufacturer.
308883
3
WARNING
FIRE AND EXPLOSION HAZARD
Improper grounding, poor ventilation, open flames or sparks can cause a hazardous condition and
result in a fire or explosion and serious injury.
Ground the equipment and the object being dispensed to. Refer to Grounding below.
If there is any static sparking or you feel an electric shock while using this equipment, stop
dispensing immediately. Do not use the equipment until you identify and correct the problem.
Provide fresh air ventilation to avoid the buildup of flammable fumes from solvents or the fluid
being dispensed.
Keep the dispensing area free of debris, including solvent, rags, and gasoline.
Do not smoke in the dispensing area.
MOVING PARTS HAZARD
Moving parts, such as the air motor piston, can pinch or amputate your fingers.
Do not operate the pump with the air motor plates removed.
Keep clear of all moving parts when you start or operate the pump.
Before you service this equipment, follow the Pressure Relief Procedure on page 7 to prevent
the equipment from starting unexpectedly.
4 308883
Grounding
Installation
Proper grounding is an essential part of maintaining a
safe system.
To reduce the risk of static sparking, ground the pump.
Check your local electrical code for detailed grounding
instructions for your area and type of equipment.
Ground all of this equipment:
Pump: Use a ground wire and clamp as shown
in Fig. 1.
Air and fluid hoses: Use only electrically conductive
hoses.
Air compressor: Follow the manufacturer’s
recommendations.
Fluid supply container: Follow the local code.
To maintain grounding continuity when flushing or
relieving pressure, always hold a metal part of the
valve firmly to the side of a grounded metal pail,
then trigger the valve.
For Stationary Mountings
To ground the pump, loosen the grounding lug locknut
(W) and washer (X). Insert one end of a 12 ga (1.5
mm) minimum ground wire (Y) into the slot in lug (Z),
and tighten the locknut securely. Connect the other
end of the wire to a true earth ground. To order a
ground wire and clamp, order Part No. 222011.
Z
Y
X
Fig. 1
W
04111
B
A
J
K
Fig. 2
H
Mounting
WARNING
Mount the pump securely so that it cannot move
around during operation. Failure to do so could
result in personal injury or equipment damage.
1. Plan the mounting layout for easy operator access
to the pump air controls, sufficient room to change
drums and a secure mounting platform.
G
1/2 in.
Recommended air line
D
KEY
J
C
F
04191
2. If using a follow plate (H), remove the drum cover.
Scoop the material to the center of the drum to
make the surface concave. Place the plate on the
material. Guide the pump foot valve through the
plate.
3. Mount the pump to the drum cover or other
suitable mounting device.
4. For ease in changing drums, install a pump
elevator.
E
A Fluid dispense line
B Pump ground wire (required)
C Air regulator with gauge
D Main air supply line
E Air line filter
F Air line lubricator
G Pump runaway valve
H Follower plate
J Bleed-type Master Air Valves
K Fluid drain valve
configuration to reduce
moisture in pump
(required)
308883
5
Installation
Air and Fluid Line and Accessories
See Fig. 2 above.
WARNING
Three accessories are required in your system: an
air shut-off valve/air bleed device, fluid drain valve,
and ground wire. These accessories help reduce
the risk of serious bodily injury, including fluid
injection, splashing in the eyes or on the skin,
injury from moving parts if you are adjusting or
repairing the pump, and explosion from static
sparking.
The air bleed device relieves air trapped
between it and the air motor after the air supply
is shut off. Trapped air can cause the air motor
to cycle unexpectedly, causing serious injury if
you are adjusting or repairing the pump. Use a
bleed-type master air valve (J). Install them
near the pump air inlet within easy reach from
the pump.
The fluid drain valve (K) assists in relieving fluid
pressure in the displacement pump, hoses, and
dispensing valve. Triggering the valve to relieve
pressure may not be sufficient.
4. Install the air regulator (C) to control pump speed
and pressure (see WARNING at left).
5. Install an air line filter (E) to remove harmful dirt
and contaminants from your compressed air
supply.
6. Install a second bleed-type master air valve (J)
upstream from all other accessories, to isolate the
accessories for servicing.
The ground wire (B) reduces the risk of static
sparking.
CAUTION
Do not hang the air accessories directly on the air
inlet. The fittings are not strong enough to support
the accessories and may cause one or more to
break. Provide a bracket on which to mount the
accessories.
NOTE: Install the air line accessories in the order
shown in Fig. 2.
1. Install a pump runaway valve (G) to shut off the air
to the pump if the pump accelerates beyond the
pre-adjusted setting. A pump that runs too fast
can be seriously damaged.
2. Install an air line lubricator (F) for automatic air
motor lubrication.
3. Install a bleed-type master air valve (J) to relieve
air trapped between the valve and the motor (see
WARNING at left). Order Part No. 107142.
6 308883
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