Graco GH 16U277 Repair Manual page 9

PROBLEM
The sprayer overheats.
Spitting from gun.
Excessive hydraulic pump noise.
*Check hydraulic fluid level often. Do not allow it to become too low. Use only Graco approved hydraulic fluid, page 27.
332157A
CAUSE
Paint buildup on hydraulic compo-
nents.
Oil level is low.
Air in fluid pump or hose.
Loose intake suction.
Fluid supply is low or empty.
Low hydraulic fluid level.
Troubleshooting
SOLUTION
Clean hydraulic components.
Fill with oil.
Check for loose connections on
siphon assembly, tighten, then rep-
rime pump.
Tighten.
Refill supply container.
Turn sprayer OFF. Add fluid*.
9