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WARNING
To reduce the risk of serious injury whenever you
are instructed to relieve pressure, always follow the
Pressure Relief Procedure on page 6.
Before servicing this equipment always make sure to
relieve the pressure.
Problem
Pump does not operate, or no fluid
,
flow.
Pump operates, but output is low.
,
Erratic or accelerated operation.
Troubleshooting
Note: Check all possible causes and solutions before
disassembling the pump.
Cause
Loose or broken pump parts.
Restricted line or inadequate air supply.
Exhausted fluid supply.
Clogged fluid hoses.
Damaged air motor.
Insufficient air supply.
Exhausted fluid supply.
Obstructed gun or dispensing valve.
Packing retainer needs adjustment.
Damaged fluid pump packings.
Held open or worn piston or intake valve.
Exhausted fluid supply.
Fluid intake or piston valve worn.
WARNING
Never operate the pump with the air motor shield
removed. Moving parts can pinch or amputate your
fingers or other body parts. When the pump is
operating, the air motor piston (located behind the
air motor shield) moves.
Solution
Disassemble, check, repair.
Clear, increase.
Refill and prime.
Clean, or replace.
Repair; See manual 307049 for Air Motor
Model 208356.
Increase.
Refill and prime.
Clear.
Loosen or tighten screws as necessary.
Replace.
Repair. See page 10.
Refill and prime.
Repair. See page 10.
9
306818
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