OIL FILLER PLUG
RESERVOIR
RESERVOIR
OIL LEVEL:It is recommended
that the oil level is kept at
approximately 12mm below the
filler hole level of power unit.
RAM
PUMP PLUNGER
Important : When adding or replacing oil,
ALWAYS use good grade Hydraulic Jack oil. DO
NOT use Hydraulic Brake Fluid, Alcohol, Glycerin,
Detergent, Motor Oil or dirty oil. Use of an
improper fluid can cause serious internal damage
to your jack.
ADDING OIL
• Position the jack on level ground and fully
lower the saddle. Remove oil filler plug.
• Turn jack over and drain old oil out through
the oil filler plug hole.
• Refill with new oil through the oil filler plug
hole. Not allow dirt or other foreign
materials to enter the hydraulic system
when filling.
• After refilling, remove any air from hydraulic
system by opening the release valve and
rapidly pumping the jack handle several
times.
• Put the oil filler plug back and the jack is
ready for use.
• Add lubricating oil to all moving parts as
needed.
• Check ram and pump plunger every few
months for any signs of rust or corrosion.
Clean as needed by wiping with oily cloth.
• When not in use, ALW AYS store jack with
saddle and pump plunger lowered all the
way down.
POSSIBLE PROBLEMS POSSIBLE CAUSES
Jack will not lift
load
Jack will lift
load, but will not
hold
Jack will not
lower
completely
Poorjack
lifting. Pump
feels spongy
Jack will not
lift to full
height
Handle raises
by itself when
jack is under
load
AND SOLUTIONS
(Refer to Operation and
Maintenance procedures
for detail information)
X
Release valve not tightly
closed. To closeor
tighten, turn release valve
clockwise.
X X X X Air is in hydraulic system.
Release air from system.
X X X X Oil level is low in jack.
Add oil as required.
X
1. Oil reservoir is over
filled. Drain out some
oil.
2. Lubrication of moving
parts is necessary.
X X X
Power unit is
malfunctioning. Replace
the power unit.
- 4 -
Know Your Jack
MAINTENANCE
TROUBLESHOOTING
MAINTAINING OIL LEVEL
LUBRICATION
PREVENTING RUST
