Fig. 2 - Major Components
Pump Body
Ram
Handle
(removable)
Plunger
Clevis and Linkage
Oil Fill Plug
Fig. 3 - Release Valve
WARNING
:
Ram will retract immediately when
release valve is opened. Always support load with blocking
before opening release valve.
Fig. 4
Fig. 5
Release
Valve
Open
(retract)
Closed
(extend)
CAUTION
:
• Never remove release valve
retainer. Oil leakage will occur if
release valve is fully unscrewed.
WARNING
:
• Never loosen or remove oil fill plug
when jack is supporting a load.
• Fully retract ram before removing
oil fill plug.
Retainer
Westward Operating Instructions
3CFK6
3CFK7
3CFK8
3CFK9
3CFL1
3CFL2
Troubleshooting Chart
Symptom
Possible Causes
Corrective Action
Jack will not lift load.
1. Release valve not tightly closed.
2. Overload condition.
1. Ensure release valve is tightly closed.
2. Remedy overload condition.
Jack bleeds off after lift.
Hydraulic components malfunctioning.
See statement at bottom of this chart.
Jack will not lower after
unloading.
Release valve not fully open.
Ensure release valve is fully open.
Poor lift performance.
1. Oil level low.
2. Air trapped in system.
1. Add oil as required.
2. With ram fully retracted, remove oil
fill plug to let pressurized air
escape. Reinstall oil fill plug.
Jack will not lift to full height.
Oil level low.
Ensure proper oil level.
IMPORTANT:
This product contains no serviceable components. Disassembly, repair or modification of jack will
void warranty.