BVA Hydraulics PS33L - Manual (Page 6)

TROUBLESHOOTING
6
Symptom Possible Causes Corrective Action
Motor will not start • No power or wrong voltage
• Damaged power cord
• Tripped circuit breaker
• Loose or faulty wiring
• Check the power supply & voltage
• Contact Customer Service
• Ensure electrical supply is adequate
• Contact Customer Service
Erratic cylinder action • Air in system or pump cavitation
• External leak
• Internal hydraulic leak
• Follow pump instructions for bleeding air
• Tighten all connections
• Contact Service Center
Pump fails to maintain pres-
sure
• External leak
• Internal hydraulic leak
• Pump or valve malfunctioning
• Tighten all connections
• Contact Service Center
• Check pump operating instructions
Cylinder extends partially • Hydraulic oil level too low in pump
• Load is above the capacity of system
• Cylinder is sticking or binding
• Fill and bleed the system
• Use the correct equipment
• Contact Service Center
Cylinder moves slower than
normal
• Loose connection or coupler
• Restricted hydraulic line or
• Pump not working correctly
• Cylinder seals leaking
• Tighten
• Clean and replace if damaged
• Check pump operating instructions
• Replace cylinder
Cylinder leaks hydraulic fluid • Worn or damaged seals • Replace cylinder
Cylinder will not retract or
retracts
slower than normal
• Loose couplers
• Weak or broken retraction springs
• Cylinder damaged internally
• Pump reservoir too full
• Tighten couplers
• Replace cylinder
• Replace cylinder
• Drain hydraulic fluid to correct level
Motor cuts out • Extension cord too long
• Faulty motor
• Overheated motor can trip circuit breaker
• Replace
• Replace or repair
• Allow motor to cool, reset circuit breaker