9
306818
Troubleshooting
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
.
Note:
Check all possible causes and solutions before
disassembling the pump.
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.
Problem
Cause
Solution
Pump does not operate, or no fluid
Loose or broken pump parts.
Disassemble, check, repair.
,
flow.
Restricted line or inadequate air supply.
Clear, increase.
Exhausted fluid supply.
Refill and prime.
Clogged fluid hoses.
Clean, or replace.
Damaged air motor.
Repair; See manual 307049 for Air Motor
Model 208356.
Pump operates, but output is low.
Insufficient air supply.
Increase.
,
Exhausted fluid supply.
Refill and prime.
Obstructed gun or dispensing valve.
Clear.
Packing retainer needs adjustment.
Loosen or tighten screws as necessary.
Damaged fluid pump packings.
Replace.
Held open or worn piston or intake valve.
Repair. See page 10.
Erratic or accelerated operation.
Exhausted fluid supply.
Refill and prime.
Fluid intake or piston valve worn.
Repair. See page 10.
Summary of Contents for 206418
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