BVA Hydraulics PEW0501, PEW1002, PEW1503, PEW3005 - Manual (Page 6)

6
TROUBLESHOOTING GUIDE
Symptom Possible Causes Corrective Action
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
• No power or wrong voltage
• Damaged power cord
• Tripped circuit breaker
• Loose or faulty wiring
• Check the power supply & voltage
• Contact Customer Service
• Make sure breaker is of adequte
size.
• Contact Customer Service
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 fitting
• 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 will not start
Pump fails to maintain pressure • External leak
• Internal hydraulic leak
• Pump or valve malfunctioning • Tighten all connections.
• Contact Service Center
• Check pump operating instructions
A system failure may or may not be the result of a pump malfunction. The following information is intended to be
used as an aid in determining if a problem exists.
Note:
1. To ensure safe and reliable performance, replace worn or damaged parts with BVA Hydraulics Authorized
Replacement Parts only.
2. For best performance and long equipment life, replace the pump's fluid supply at least once per year. To protect
your warranty and ensure proper performance, use good quality hydraulic oil, we recommend BVA
Hydraulic oil (F01 & F05), Mobil DTE 16M or equivalent.
• Extension cord too long
• Faulty motor
• Overheated motor can trip
circuit breaker
• Replace
• Replace or repair
• Allow motor to cool, reset circuit
breaker
Motor cuts out