Graco LineLazer IV 130 HS Manuel De L'opérateur page 40

Troubleshooting
Problem
Excessive leakage
around hydraulic motor
piston rod wiper.
Fluid delivery is low.
The sprayer overheats.
Excessive hydraulic
pump noise.
10
Cause
Piston rod seal worn or damaged.
Pressure setting too low.
Displacement pump outlet filter (if used) is dirty or
clogged.
Intake line to pump inlet is not tight.
Hydraulic motor is worn or damaged.
Large pressure drop in fluid hose.
Paint buildup on hydraulic components.
Oil level is low.
Low hydraulic fluid level.
Solution
Replace these parts.
Increase pressure. Manual 313775.
Clean filter.
Tighten.
Bring sprayer to Graco distributor for repair.
Use larger diameter or shorter hose.
Clean.
Fill with oil, page 7.
Shut off sprayer. Add fluid*, page 7.
313776D