User's Manual

Troubleshooting
8 312789E
Troubleshooting
Relieve pressure before you check or repair dispense
valve. Be sure all other valves and controls and the
pump are operating properly.
*Some fluid seepage is possible in applications where thermal expansion of fluid is possible.
Problem Cause Solution
Slow or no fluid flow Screen is clogged 1. Relieve pressure.
2. Clean or replace strainer (4a)
and washer 4b. Order Filter Kit
256164.
3. If the problem remains, contact
your Graco distributor for repair
or replacement.
Pump pressure is low
Shutoff valve is not full open
Oil leaks from swivel Swivel is loose Torque the swivel (6) to 7-10 ft-lb
(9-13 N.m).
If the problem remains, contact your
Graco distributor for repair or
replacement.
O-ring is worn or damaged Replace swivel (6). Torque swivel to
7-10 ft-lb (9-13 N.m).
If the problem remains, contact your
Graco distributor for repair or
replacement.
Oil drips from nozzle* Nozzle is damaged or obstructed Inspect nozzle for damage or
obstructions. Replace if damaged.
Valve leaks O-rings or valve seat are worn or
damaged
Replace seals (9) and/or valve seat
(2).