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Westward Operating Instructions and Parts Manual
CHANGING OIL
1. For best performance and longest unit life,
replace the complete oil supply at least once a
year.
2. To drain the oil, remove the filler plug.
3. Lay the jack on its side and allow the oil to run out
into suitable drain pan. Dispose of hydraulic oil in
accordance with local regulations.
4. BE CAREFUL to prevent dirt or foreign matter
from entering the system.
5. Replace with proper oil as described above.
6. Perform Bleeding/Venting Trapped Air procedure.
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.
Heavy Duty Transmission Jack
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
LUBRICATION
Add lubricating oil to all pivoting sections every 3
months.
RUST PREVENTION
1. Check ram an d piston for signs of rust on a regular
basis. Clean as needed with an oily cloth.
2. When not in use, store jack with saddle and
piston fully retracted.
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
1ZKY1A and 1ZKY3A
Corrective Action
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