Product Manual

ManualsBrandsRoughneck ManualsFuel Transfer & Lubrication50:1 Air Grease Pump — 120 PSI

PNEUMATIC MOBILE GREASE PUMP OWNER’S MANUAL

MAINTENANCE

1. Store the pump in a dry place with good ventilation. Do not expose it to excessive heat,

humidity or sunlight. Never let it touch any corrosive substances.

2. Store it out of the reach of children.

3. Always keep the pump at least 4 feet away from any heat source.

4. The dust in compressed air can slow down or even block the motor cylinder. The following

steps may prevent this from happening:

1) Let in 50 grams of Vaseline oil or other lubricator from the air inlet hole weekly, operate the

pump for several minutes after having lubricator into the pump.

2) Turn on the pump for several minutes until moving parts is fully lubricated.

3) You may repeat the above operation if necessary.

4) The above steps should be carried out on a weekly basis.

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PNEUMATIC MOBILE GREASE PUMP OWNER’S MANUAL

DIAGRAMS AND PARTS LIST

① PUMP

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Problem Possible Cause Corrective Action

The pump continues to operate

after the trigger of control valve

has been released

1.Grease missing around the suction ﬁlter 1.Remove cover and take out pump. Fill the

tank or replace it for a full one.

2.There is a grease leak at some point of the

line

2.Check and tighten unions. Repair the leak.

3.Valve (part No. 15) closes incorrectly due to

dirt or wearing.

3.Disassemble and clean valves. Replace them

if danged

Reduction of the grease

delivery. Or reduced pressure

in the grease delivery

1.Air in the grease tank 1.Remove cover and take out pump. Fill the

tank or replace it for a full one.

2.Clogged silencer (210) 2.Clean or recharge silencer

3.Blocked at some point of the grease line 3.Use clean grease

4.Ball valve (103) closes incorrectly due to dirt

or wearing.

4.Remove the dirt or replace damaged

elements

5. Damaged O-ring (216) 5.Replace damaged O-ring

Air loss through the air exhaust 1.The sliding valve (7) does not close properly 1.Disassemble and clean. Replace them if

damaged

2.The press piece (36) broken 2.Replace damaged press piece

3.Damaged O-ring (208, 209 or 211) 3.Replace damaged O-ring

4.Damaged piston (2) 4.Replace damaged piston

5.Damaged washer (31) 5.Replace damaged washer

6.Broken spring (33) 6.Replace damaged spring

Grease leaks through the air

exhaust

1.Seal set (11) damaged 1.Replace damaged elements

Part No.

Description

Pump

Tank

Grease control valve

Delivery hose

Q’ty