e)Rotate the handle clockwise, lift and press it, and repeat this operation several times quickly to discharge air from the oil circuit.
f )Recheck the oil level and refill the oil if necessary.
g)Tighten the oil filler screw.
h)Wipe it off with a piece of clean cloth, then place the jack in a safe place.
V. Common faults and troubleshooting:
The jack fails to
rise under rated
The tray lowers
automatically
under load
The jack fails to
Fault
symptoms
The rolling
handle feels soft
and weak
The handle tilts
automatically
under load
Leakage at the
oil filler
Possible cause
(s)
20
97813/97817/97818
√
load
√
rise
1. Check whether
the oil return valve
i s c o m p l e t e l y
closed;
2. There may be air
in the oil circuit
中文
EN
√
√
√
√
√
√
1 . T h e o i l
circuit may be
The amount
blocked;
of hydraulic
2 . T h e o i l
oil may be
return valve is
insufficient
not completely
closed
DE
RU
KO
PT
JA
√
√
√
√
The amount
There may be
of hydraulic
air in the oil
o i l m ay b e
circuit
excessive
ES