5
TROUBLESHOOTING GUIDE
The following information is intended as an aid in determining if problem exists. Pump and ram should be repaired only by
authorized Porto-Power Service Center. For repair service, contact service center in your area.
Symptom
Possible Causes
Corrective Action
Erratic action
•
Air in system or pump cavitation.
• External leakage in ram.
• Ram sticking or binding.
• Vent the system (refer to figure 2).
• Contact service center.
• Contact service center.
Ramr will not extend, or
respond to pressurized fluid
•
Overload condition.
• Loose/Faulty couplers.
• Oil level in pump is low.
• Remedy overload condition.
• Tighten/Replace couplers.
• Fill and bleed the system.
Ram extend only partially
• Oil level in pump is low.
•
Overload condition.
• Ram is sticking or binding.
• Pump malfunction.
• Fill and bleed the system.
• Remedy overload condition.
• Contact service center.
• Contact service center.
Ram move slower than normal
• Loose connection or coupler.
• Restricted hydraulic line or fitting.
• Pump not working correctly.
• Ram seals leaking.
• Tighten connection or coupler.
• Clean and replace if damaged.
• Check pump’s operating instructions.
• Contact service center.
Ram responds to pressurized fluid, but
system does not maintain pressure
• Overload condition.
• Pump malfunctioning.
• Ram seals leaking.
• Remedy overload condition.
• Contact service center.
• Contact
service center.
Oil leaking from ram
• Worn or damaged seals.
• Contact service center.
Ram will not retract or retracts slower
than normal
• Malfunctioning coupler, damaged
application.
• Pump reservoir overfilled.
• Ram damage internally.
•
Secure load by other means
.
Depressurize
pump and hoses,
remove application and replace
coupler.
•
Secure load by other means
.
Depressurize
pump and hoses,
remove application, then drain fluid to
proper level.
• Contact service center.
Poor performance
• Oil level in pump is low.
• Air trapped in system.
• Ensure proper oil level.
• Vent the system (refer to figure 3).
