Tadano GT-550E-2, Operation And Maintenance Manual

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2.
If the bubbles in the spirit level is between the
marking lines, the vehicle is set level. Return the ex-
tend/retract control lever and individual control levers to
the neutral position.
3.
Make sure that all four outrigger floats are in con-
tact with the ground. Any unseated outrigger floats must
be lowered until they are in firm contact with the ground.
Front Jack
Extension
◆
Extend the front jack only after extending and setting
the outriggers to install the crane level.
1.
Place the front jack lever in the FRONT JACK posi-
tion. Move the extend/retract control lever toward EXT.
The front jack will start extending.
2.
Keep the extend/retract control lever toward EXT.
for approx. 3 seconds after the front jack float has
reached the ground. Then, return the extend/retract con-
trol lever and front jack lever to the neutral position.
Retraction
[NOTICE]
◆
Retract the front jack before retracting the outrig-
gers. If the outriggers are retracted without first
retracting the front jack, the carrier chassis frame
will be damaged.
1.
Place the front jack lever in the FRONT JACK posi-
tion. Move the extend/retract control lever toward RET.
The front jack will start retracting.
2
. Once the front jack has been completely retracted,
return the extend/retract control lever and front jack
lever to their neutral position.
T038330E
63
Outriggers Outriggers
EXTENSION
JACK FRONT JACK EXT.
RET.
T00161E
EXTENSION
JACK FRONT JACK EXT.
RET.
T00162E
Marking line
Bubble
T05569E