BVA Hydraulics PG6505 - Manual (Page 8)

TROUBLESHOOTING GUIDE
The following information is intended as an aid in determining if problem exists. Pumps should be repaired only by authorized
BVA Service Center. For repair service, contact service center in your area.
Symptom Possible Causes Corrective Action
Application does not extend, move or
respond to pressurized fluid
• Overload condition
• Loose couplers
• Faulty couplers
• Pump malfunction
• Remedy overload condition
• Tighten couplers
• Replace couplers
• Contact service center
Pump fails to maintain pressure • External leak
• Internal hydraulic leak
• Tighten all connections
• Contact service center
Application responds to pressurized
fluid, but system does not maintain
pressure
• Overload condition
• Pump or valve malfunction
• Application/connection leaking
• Remedy overload condition
• Contact Service Center
• Replace application/connection
Application responds slower than
normal
• Loose connection or coupler
• Restricted hydraulic line or fitting
• Application/connection leaking
• Tighten connection or coupler
• Clean and replace if damaged
• Replace application/connection
Application does not return fluid to
pump (i.e. cylinder will not retract)
• Malfunctioning coupler, damaged
application
• Secure load by other means.
Depressurize pump and hose,
remove coupler and/or application,
then renew or replace
Application does not fully extend
(cylinder or spreader)
• Reservoir overfilled
• Fluid level in pump is low
• Secure load by other means.
Depressurize pump and hose,
remove application, then drain fluid to
proper level
• Secure load by other means.
Depressurize pump and hose,
remove application, then fill fluid to
proper level
Poor performance • Fluid level in pump is low • Ensure proper fluid level
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