PROBLEM
Sporadic Tool
Action
Motor Will Not
Start
Noisy Operation
Pump Oil is Over
Heating
Pump Runs But
Will Not Pump Oil
24
TROUBLESHOOTING
• Air in the hydraulic system. Bleed the hydraulic circuit.
• Check reservoir oil level.
• Be sure power cord is not damaged.
• Check for tripped circuit breaker; be sure breaker is of
adequate size.
• Have motor checked for proper operation.
• Have qualified electrician inspect for loose or faulty wiring or switch.
• Air in system.
• Be sure the oil reservoir is filled to normal level.
• Check all points where air might leak into system.
• Clogged or blocked intake screen.
• Inspect for high pressure leakage at the pump (leaking at plug or relief
valve).
• Oil level is low. Fill reservoir to normal level, or retrofit the pump with
larger reservoir or heat exchanger.
• Pump is not primed. Run pump a few minutes tipping from side to side.
• Inspect to make sure that external adjustable relief valve is set properly.
• Defective control valve, take to the manufacturer for repair.
• Incorrect motor rotation, take to the manufacturer for repair.
• Check to make sure the intake screen is not clogged. Clean if needed.
• Check oil reservoir is low. Fill as needed.
• Oil viscosity is too high. Replace with the manufacturer oil.
CAUSE-SOLUTION