Troubleshooting Guide - Larzep W Serie Manual De Instrucciones

6.0 TROUBLESHOOTING GUIDE

Problem
Cylinder does not advance.
Cylinder advances, but does not
hold pressure.
Possible Cause
Oil level in pump reservoir is low.
Release valve is open.
Loose hydraulic coupler.
Load is too heavy.
Air trapped in system.
Cylinder plunger binding.
Leaking connection.
Leaking seals.
Internal leakage in pump.
Larzep, S.A.
Avenida Urtiaga, 6
48269 Mallabia, Spain
Tel: +34 943 171200
Fax: +34 943 174166
e-mail: info@larzep.com
www.larzep.com
8
Solution
Add oil according to the maintenance
instructions.
Close the release valve.
Check that all couplers are fully tightened.
Do not attempt to lift more than rated tonnage.
Remove air according to instructions.
Check for damage to cylinder. Have cylinder
serviced by a qualified hydraulic technician.
Check that all connections are tight and leak
free.
Locate leak(s) and have equipment serviced by
a qualified hydraulic technician.
Have pump serviced by a qualified hydraulic
technician.