4
Symptom
Possible Causes
Corrective Action
Jack will not lift load
Jack bleeds off after lift
Will not lift to full extension
Release valve not tightly closed
Overload condition
Fluid level low
Fluid level low
Air trapped in system
Release valve not tightly closed
Overload condition
Hydraulic unit malfunction
Ensure release valve tightly closed
Remedy overload condition
Ensure release valve tightly closed
Remedy overload condition
Contact Omega Tech. Service
Ensure proper fluid level
Ensure proper fluid level
With ram fully retracted, remove oil filler
plug to let pressurized air escape, reinstall
oil filler plug
Poor performance
Jack will not lower after unloading
Reservoir overfilled
Linkages binding
Drain fluid to proper level
Clean and lubricate moving parts
TROUBLESHOOTING
3. Use jack handle to turn release valve clock-
wise until tight. DO NOT OVERTIGHTEN. In-
sert jack handle into handle sleeve of bottle
jack and pump until lifting arm reaches desired
height.
Note:
Do not use wheel dolly to free a seized up
wheel assembly. For typical practice of taking
out a seized up wheel assembly, a long metal
bar can be used to pry the wheel assembly
from the stuck wheel axle. If in doubt, always
follow vehicle’s manufacturer manual on how
to remove tire & wheel assembly.
4. Use load leveler to prepare dolly for moving.
Carefully move loaded wheel dolly away from
hub.
5. To install, reverse order.
MAINTENANCE
Periodically check jack fluid level. Level of fluid
should be even with filler plug hole. Use Mobil
DTE 13M or equivalent.
Note:
Never fill jack with alchohol, glycerin, brake
fluid, transmission fluid. Damage to jack’s load
bearing capabilities can result if other then good
grade hydraulic jack fluid in used.
47050-M0
