VI. Maintenance of the jack:
1. When not in use, the jack should be stored fully collapsed.
2. The outer movable parts should be oiled regularly.
3. Lubricate the guides with Molykote or a similar grease.
4. Avoid using and therefore mixing different types of oil. We recommend the use of
hydraulic oil conforming to ISO VG22.
5. In the event that spare parts are required please identify the parts required from the
exploded drawing and order accordingly.
VII. Troubleshooting:
1
Jack cannot be pumped
up properly.
The relase valve is not closed
1. Screw in the unload handle
(16) tightly in clockwise
direction.
2.
Loose th screw (37) to release
the air from the pump,then
screw in it tightly.
2
Jack
can
not
be
released down at the
top position.
The release valve is not opened
enough.
Screw out the unload handle (16)
in counter - clockwise direction
3
Jack can not be pumped up
to its rated highest position
Oil is not enough.
Screw out the screw (10),add
hydraulic oil.
4
The oil has leaked,around
the plunger.
Seals are worn out.
Replace worn seals with new seals
(08) and (09)
