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TROUBLESHOOTING GUIDE
The following information is intended as an aid in determining if problem exists. Pumps should be repaired only by authorized
Williams 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
LIFETIME LIMITED WARRANTY
J.H. Williams Tool Group warrants this product to be free from defects in material and workmanship for the life of the product as
long as the original purchaser owns the product. The warranty is non-transferable and is subject to the terms, exclusions, and
limitations described below:
• Damaged components, including but not limited to bent rams, dented or crushed cylinder walls, broken welds or couplers as
well as worn out seals, o-rings and springs are the result of misuse and not covered by warranty and Williams will not provide
any warranty credit for such damaged components.
• This warranty does not cover ordinary wear and tear, overloading, alterations (including repairs or attempted repairs not performed
by Williams or one of its authorized personnel), improper fluid use, or use of the product in any manner for which the product was
not intended or the use of which is not in accordance with the instructions or warnings provided with the product.
• In the unlikely event that a Williams product fails due to material defect in workmanship, you may contact J.H. Williams Tool
Group for disposition. In such cases, the customer’s sole and exclusive remedy for any breach or alleged breach of warranty
is limited to the repair or replacement of the defective product.
• Under no circumstances is Williams liable for any consequential or incidental damage or loss whatsoever.
• THIS WARRANTY IS LIMITED TO NEW PRODUCTS SOLD THROUGH AUTHORIZED DISTRIBUTORS AND OTHER
CHANNELS DESIGNATED BY WILLIAMS. NO AGENT, EMPLOYEE OR OTHER REPRESENTATIVE OF WILLIAMS IS
AUTHORIZED TO MODIFY THIS WARRANTY.
• THE FOREGOING IS EXCLUSIVE AND IS IN LIEU OF ALL OTHER EXPRESS AND IMPLIED WARRANTIES, INCLUDING
BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FOR A FITNESS FOR A PARTICULAR
PURPOSE.
• Components not manufactured by Williams including certain motor systems, gasoline engines, and others are not covered by
this warranty and instead are covered by the manufacturer’s separate manufacturer’s warranty provided in the package.
• Williams’ liability in all cases is limited to, and will not exceed the purchase price paid for the product.
