BVA Hydraulics PA1500L & PA3801L - Manual (Page 5)

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
• Inadequate air supply
• Remedy overload condition
• Tighten couplers
• Replace couplers
• Contact service center
• Ensure air source can dedicate
7.8 CFM @ 110~175 PSI
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 ap-
plication
• Secure load by other means.
Depressurize pump and hose,
remove coupler and/or application,
then renew or replace
Application does not fully extend (cyl-
inder 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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