SETUP, OPERATION & PREVENTIVE MAINTENANCE (Cont.)
Maintenance
NOTICE:
Use high grade hydraulic oil only. Never use brake
Ň
uid, motor oil, transmission
Ň
uid,
turbine oil or any other
Ň
uids. ISO-VG22 or equivalent hydraulic oil is recommended.
Check and Refill Oil:
x
With the jack in the fully lowered, level posi
Ɵ
on, remove the unit cover (if provided),
then remove oil
Į
ller plug.
x
Proper oil level should be just covering inner cylinder as seen from the oil
Į
ller plug hole.
x
Do not over
Į
ll. Always
Į
ll with new, clean hydraulic jack oil as recommended above.
x
Reinstall oil
Į
ller plug, then reinstall unit cover.
Lubrication and Cleaning:
x
Periodically clean and lubricate all moving parts and pivot points.
Air Venting Procedures:
x
With the jack in the fully lowered posi
Ɵ
on and the release valve open, remove oil
Į
ller plug.
x
Pump the handle rapidly several
Ɵ
mes. Reinstall oil
Į
ller plug.
x
Turn the handle/release valve clockwise to the closed posi
Ɵ
on.
x
Pump the handle un
Ɵ
l the li
Ō
arm reaches maximum height and con
Ɵ
nue to pump
several
Ɵ
mes to remove trapped air in the system.
x
Turn the handle/release valve counterclockwise one full turn and lower li
Ō
arm to the
lowest posi
Ɵ
on. Use force on saddle if necessary.
x
Carefully and slowly loosen oil
Į
ller plug to release pressurized air.
x
Repeat above steps un
Ɵ
l trapped air is completely vented.
Damaged Equipment:
Any jack that appears to be damaged in any way, is found to be worn, or operates abnormally
SHOULD BE REMOVED FROM SERVICE UNTIL REPAIRED.
It is recommended that necessary
repairs be made by a manufacturer’s or supplier’s authorized repair facility if repairs are
permi
Ʃ
ed by the manufacturer or supplier.
Alterations:
Because of poten
Ɵ
al hazards associated with this type of equipment, no altera
Ɵ
ons should be
made to the product.
Attachments and Adapters:
Only a
Ʃ
achments and/or adapters supplied by the manufacturer should be used.
4
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