5
Operating Instructions and Parts Manual
24851
09/14
2014 ©OEM-TOOLS
22 TON
AIR/HYDRAULIC JACK
7. Connect the quick coupler-male into the shop air
supply hose quick coupler-female, and then turn
on the air valve.
8. Raise the load to desired height, turn off the air
valve and immediately USE JACK STANDS with
adequate capacity to support the load.
Lowering Vehicle
Be sure all tools and personnel are clear before
lowering load.
9. When work is done, disconnect the quick coupler-
male from the air source and carefully remove the
jack stands.
10. SLOWLY and CAREFULLY lower the load by
turning the hand wheel counterclockwise in
extremely small increments, then lower the
extension screw by turning it clockwise as needed
and remove the jack.
Dangerous dynamic shock loads are created by quick
opening and closing the release valve when the load
is being lowered. The resulting overload may cause
hydraulic system failure which could cause severe
personal injury and/or property damage.
The manufacturer and/or distributor have provided
the parts list and assembly diagram in this manual
as a reference tool only. Neither the manufacturer
nor distributor makes any representation or warranty
of any kind to the buyer that he or she is qualified to
make any repairs to the product, or that he or she
is qualified to replace any parts of the product. In
fact, the manufacturer and/or distributor expressly
states that all repairs and parts replacements should
be undertaken by certified and licensed technicians,
and not by the buyer. The buyer assumes all risk and
liability arising out of his or her repairs to the original
product or replacement parts thereto, or arising out of
his or her installation of replacement parts thereto.
Note: Not all components of the Hydraulic Truck
Jack are replacement items, but are illustrated as a
convenient reference for location and position in the
assembly sequence.
Use caution when troubleshooting a malfunctioning
jack. Stay well clear of the supported load. Completely
resolve all problems before use. If the jack is
malfunctioning, have a qualified technician inspect and
repair the jack before use. After the jack is repaired:
Test it carefully without a load by raising it and
lowering it fully, checking for proper operation.
MAINTENANCE
Important: Use only good grade hydraulic jack oil.
Avoid mixing different types of fluid and NEVER use
brake fluid, turbine oil, transmission fluid, motor oil or
glycerin. Improper fluid can cause premature failure of
the jack and the potential for sudden and immediate
loss of load.
1. Clean the outside of the jack with dry, clean and
soft cloth and periodically lubricate the joints,
extension screw and all moving parts with light oil
as needed.
2. When not in use, store the jack in a dry location
with ram and extension screw fully lowered.
3. Purge the hydraulic system to eliminate any air in
the system if jack efficiency drops: turn the hand
wheel 1-1/2 turns counterclockwise and remove
the oil filler plug by gently pulling, connect the air
inlet fitting to air source, turn on the air valve and
work for a while, close the hand wheel clockwise
firmly and check the hydraulic oil level, if not
adequate, top off jack reservoir with high quality
hydraulic jack oil as described above, then replace
the filler plug.
4. Check the hydraulic oil: place the jack in an upright
position, completely lower the ram and remove
the filler plug, if it is not adequate, fill with high
quality hydraulic jack oil to the lower rim of the fill
hole, purge away air from the hydraulic system as
described above, top off with more hydraulic oil,
then replace the filler plug.
5. For best performance and longest life, replace the
complete jack oil at least once per year: With the
ram fully lowered, remove the oil filler plug, lay the
jack on its side and drain the oil into a suitable
container, then fill with high quality hydraulic jack
oil as described above, reinstall the filler plug.
NOTE: Dispose of hydraulic oil in accordance with
local regulations.
WARNING
