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TROUBLESHOOTING GUIDE
Symptom
Application does not extend, move
or respond to pressurized fluid
Application responds to pressurized
fluid, but system does not maintain
pressure
Application responds slower than
normal
Application does not return fluid to
pump (i.e. cylinder will not retract)
Application does not fully extend
(cylinder or spreader)
Poor performance
Possible Causes
• Overload condition
• Loose couplers
• Faulty couplers
• Pump malfunction
• Inadequate air supply
• Overload condition
• Pump or valve malfunction
• Application/connection leaking
• Loose connection or coupler
• Restricted hydraulic line or fitting
• Application/connection leaking
• Malfunctioning coupler, dam-
aged application
• Fluid level in pump is low
• Fluid level in pump is low
5
Corrective Action
• Remedy overload condition
• Tighten couplers
• Replace couplers
• Contact service center
• Ensure air source can dedicate
7.8 CFM @ 110~175 PSI
• Remedy overload condition
• Contact Service Center
• Replace application/connection
• Tighten connection or coupler
• Clean and replace if damaged
• Replace application/connection
• Secure load by other means. Depressurize
pump and hose, remove coupler and/or
application, then renew or replace
• Secure load by other means. Depressurize
pump and hose, remove application, then fill
fluid to proper level
• Ensure proper fluid level
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