Troubleshooting Chart - Westward 5M460C Instrucciones De Operación Y Manual De Partes

Westward Operating Instructions and Parts Manual

Troubleshooting Chart

Symptom
Jack will not lift load
Jack lift but not maintaining
pressure
Jack will not lower after
unloading
Poor lift performance
Will not lift to full height
Warranty
LIMITED ONE-YEAR WARRANTY
Should this product fail to perform satisfactorily due to a defect or poor workmanship within ONE YEAR from the
date of purchase, return it to the place of purchase and it will be replaced, free of charge. Incidental or consequential
damages are excluded from this warranty.
Hydraulic Crane Jacks
Possible Causes
1. Release valve not tightly closed
2. Overload condition
1. Release valve not tightly closed
2. Overload condition
3. Hydraulic unit malfunctioning
1. Reservoir overfilled
2. Linkages binding
1. Fluid level low
2. Air trapped in system
Fluid level low
5M460C, 5M471B, and 5M472C
1. Ensure release valve tightly closed
2. Remedy overload condition
1. Ensure release valve tightly closed
2. Remedy overload condition
3. Replace unit
1. Drain fluid to proper level
2. Clean and lubricate moving parts
1. Ensure proper fluid level
2. Follow Bleeding/Venting Trapped Air
procedure
Ensure proper fluid level
3
Corrective Action