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5
MAINTENANCE
Important: Use ONLY good grade 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 failure of the jack and
the potential for sudden and immediate loss of load. We
recommend Mobil DTE 13M.
Adding oil
1. With saddle fully lowered set jack in its upright, level
position. Locate and remove oil ller plug/screw.
2. Fill with oil until ~3/16" above the inner cylinder as
seen from the oil ller hole. Reinstall the oil ller
plug/screw.
Changing oil
For best performance, replace the complete uid supply
at least once per year.
1. With saddle fully lowered, remove the oil ller plug/
screw.
2. Lay the jack on its side and drain the uid into a
suitable container.
Note: Dispose of hydraulic uid in accordance with
local regulations.
3. Fill with oil until ~3/16" above the inner cylinder as
seen from the oil ller hole. Reinstall the oil ller
plug/screw.
Lubrication
A periodic coating of light lubricating oil to pivot points,
axles and hinges will help to prevent rust and assure
that wheels, casters and pump assemblies move freely.
To help ensure trouble free operation, an inline air dryer
and oiler is recommended.
Cleaning
Periodically check the pump piston and ram for signs
of rust or corrosion. Clean as needed and wipe with
an oily cloth.
Note: Never use sandpaper or abrasive material on
these surfaces!
Storage
When not in use, store the jack with saddle fully
lowered.
REPLACEMENT PARTS
(refer to page 6 thru12)
Not all components of the jack are replacement
items, but are illustrated as a convenient reference of
location and position in the assembly sequence. When
ordering parts, give Model number, serial number and
parts description. Call or write for current pricing: SFA
Companies, 10939 N. Pomona Ave. Kansas City, MO
64153, U.S.A. Tel:(888)332-6419 Fax:(816)891-6599
E-Mail: sales@omegalift.com
Omega Website: http://www.omegalift.com
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
• Hydraulic unit malfunction
• Ensure release valve tightly closed
• Discontinue use, contact Omega
technical service
Jack will not lower after unloading • Reservoir overlled
• Linkages binding
• Fluid level low
• Drain uid to proper level
• Clean and lubricate moving parts
• Ensure proper uid level
Poor lift performance • Fluid level low
• Air trapped in system
• Ensure proper uid level
• With ram fully retracted, remove oil
ller plug/screw to let pressurized
air escape. Reinstall oil ller plug/
screw
Will not lift to full extension • Fluid level low • Ensure proper uid level