Enerpac JHA Serie Notice D'emploi page 5

OPERATION
Check load rating on jack nameplate to make certain the jack is capable of lifting the load . Use a
gauge to monitor the load . Use the table below to determine the proper gauge kit for your jack .
Raising the Load
1 . On models with air vents, open air vent .
2 . Use wrench end of handle to close the release valve by turning clockwise hand tight .
3 . Insert handle into jack pump beam and pump until desired
height is reached .
NOTE: For 150 ton JHA jacks, use speed (A) pump beam
4 . Remove jack handle when not in use .
Lowering the Load
1 . Use wrench end of jack handle to open the valve a very small amount to avoid sudden
dropping of the load . Turn release valve counter-clockwise very slowly to control the speed of
descent .
2 . All jacks are load return . Without a load, the plunger may not retract . Adding weight to the
plunger will make it retract .
Model No.
For use
with
Jacks
CAUTION
Excessive tightening is unnecessary and will cause wear.
until plunger reaches load . Then move the handle to
load (B) pump beam to lift the load .
CAUTION
In certain situations, the pump handle can kick back. Always keep body away from
the line of force of the handle.
WARNING
Stay clear of loads supported by hydraulics. After the load has been raised, it
should be blocked, using material capable of supporting the load.
WARNING
NEVER turn release valve quickly to full open when there is a load on the jack. The
load will fall uncontrolled, leading to personal injury and/or property damage.
CAUTION
If you decide to stand on the jack, be sure the jack is stable and hold on to a sturdy
object to avoid injury.
GF-715
JHA-73
JHA-156
JHA-1506
5
GF-830
JHA-756
JHA-356
GF-350
JTA-76
JTA-176
JTA356
A
B