Troubleshooting - Graco 206897 Instructions-Parts List Manual

WARNING
To reduce the risk of serious injury whenever you
are instructed to relieve pressure, always follow the
Pressure Relief Procedure on page 7.
PROBLEM
Pump does not operate, or
no fluid flow no fluid flow
Pump operates, but output
is low is low
Erratic or accelerated op-
eration eration

Troubleshooting

CAUSE
Loose or broken pump parts
Restricted line or inadequate air supply
Exhausted fluid supply
Clogged fluid hoses
Held open or worn piston or intake valve
Damaged air motor
Insufficient air supply
Exhausted fluid supply
Obstructed gun or dispensing valve
Damaged fluid pump packings
Held open or worn piston or intake valve
Exhausted fluid supply
Fluid intake or piston valve worn.
NOTE: Check all possible problems and solutions
before disassembling the pump.
NOTE: Before servicing this equipment, always make
sure to relieve the pressure.
SOLUTION
Disassemble, check, repair.
Clear, increase.
Refill and prime.
Clean, or replace.
Repair. See page 10.
Repair; see manual 306982.
Increase.
Refill and prime.
Clear.
Replace.
Repair. See page 10.
Refill and prime.
Repair; see manual 307719.
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