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NOTICE:
3. Set jack in its level position.
4. Perform Venting trapped air procedure (page 4).
Lubrication
1. A periodic coating of light lubricating oil to pivot points, axles and hinges will help to prevent rust and assure that
casters and pump assemblies move freely.
2. For air operated models ATD-7431: When used on a daily basis, air pump model should be internally lubricated
before each use. Use only good quality air tool lubricant. If no in-line oiler is used, pour a teaspoon of air tool oil
into the air supply inlet. Operate the jack using the air feature to fully distribute the oil.
Cleaning
Periodically check the pump piston and ram for signs of rust or corrosion. Clean as needed and wipe with an oily
cloth.
NOTICE: Do not use sandpaper or abrasive material on pump piston or ram surfaces.
Storage
When not in use, store the jack with saddle fully lowered.
TROUBLESHOOTING
Symptom
Jack will not lift load
Jack will lift, but not maintain
pressure
Jack will not lower after unloading
Poor lift performance
Jack will not lift to full extension
Possible Causes
Load is too heavy
Hydraulic unit malfunction
Fluid level low
Hydraulic unit malfunction
Fluid level low
5
Corrective Action
Consider higher capacity jack
Discontinue use, Contact Tech.
Service (888) 332-6419.
Ensure load is removed, then drain
Discontinue use, Contact Tech.
Service (888) 332-6419.
.
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