Specification

5
MAINTENANCE
NOTICE: Use only good quality hydraulic jack oil. Avoid mixing different types of uid and NEVER use brake uid,
turbine oil, transmission uid, motor oil or glycerin. Improper uid can cause premature failure of the jack and the
potential for sudden and immediate loss of load. Premium hydraulic jack oil is recommended.
Adding oil
1. With ram plunger fully lowered and pump piston fully depressed, set jack in its upright, level position. Remove oil
ller screw.
2. Fill with oil until just below the rim of the oil ller plug hole. Reinstall the oil ller screw.
Changing oil
For best performance and longest life, replace the complete uid supply at least once per year.
1. With ram plunger fully lowered and pump piston fully depressed, remove the oil ller screw.
2. Lay the jack on its side and drain the uid into a suitable container.
NOTICE: Dispose of hydraulic oil in accordance with local environmental regulations.
3. Fill with oil until just below the rim of the oil ller hole. Reinstall the oil ller screw.
4. Perform Bleeding/Venting Trapped Air procedure, pg. 2.
Lubrication
1. A periodic coating of light lubricating oil to pivot points will help to prevent rust and assure that pump assemblies
move freely.
2. Air pump should be internally lubricated before each use. Use good quality air tool lubricant. If no in-line oiler
is used, pour a teaspoon of air tool oil into the air control valve inlet. Operate the jack with air pressure to fully
distribute the oil inside the air motor.
Cleaning
Periodically check the pump piston and ram for signs of rust/corrosion. Clean as needed and wipe with oily cloth.
NOTICE: Do not use sandpaper or abrasive material on ram and pump piston surfaces.
Storage
When not in use, store the jack with pump piston and ram plunger fully retracted and air supply disconnected.
TROUBLESHOOTING
Symptom Possible Causes Corrective Action
Jack will not lift load
• Release valve not tightly closed
• Overload condition
• Air pressure inadequate
• Ensure release valve tightly closed
• Remedy overload condition
• Ensure adequate air pressure
Jack will lift, but not maintain
pressure
• Release valve not tightly closed
• Overload condition
• Hydraulic unit malfunction
• Ensure release valve tightly closed
• Remedy overload condition
• Contact Omega Tech. Service
Jack will not lower after
unloading
• Reservoir overlled • Ensure load is removed, then drain
uid to proper level
Poor lift performance
• Fluid level low
• Air trapped in system
• Ensure proper uid level
• Follow Bleeding/Venting Trapped
Air procedure on page 2
Will not lift to full extension • Fluid level low • Ensure proper uid level