Zoomlion RT75, Operator'S Manual

Page: 105 / 178

07 - 12
RT75 Rough Terrain Crane
(1) Extend the outrigger
(a) Remove the outrigger beam retaining pin.
(b) Press and hold 2 or 4 outrigger switches to the
“BEAM”
position.
1 Push and hold outrigger extend / retract master
switch to the “EXTEND”
position.
2
After the outriggers move to the “FULLY” or “INTERMEDIATELY” marks,
release the master switch. The switch moves to the neutral position
automatically.
(c) After the 4 outrigger beams extend to the correct positions, push and hold 2
front (or rear) outrigger switches to the
“JACK”
position.
1 Push and hold the outrigger extend / retract master switch to the
“EXTEND” position.
2 After the 4 outriggers hold the weight of the crane (wheels off the
ground), release the master switch. The switch moves to the neutral
position automatically.
(d) Make the crane level.
1 Look at the bubble level indicator to tell if the crane is at level.
2 If the bubble level indicator does not show a level indication, you can
move each outrigger to make the crane level.
(e) For example:
If the crane is low on the right front, do the steps that follow:
1
Push the right front outrigger switch to the “JACK” position.
2 Push the outrigger e
xtend / retract master switch to the “EXTEND”
position at the same time.
3 Monitor the bubble level indicator. When the bubble is at the correct
position, release the switches.
(f) Install the outrigger retaining pins.
(2) Retract the outrigger.
Retract the boom and attach it to the support before you retract the outriggers.
(a) Remove the outrigger beam retaining pins.
(b) Push and hold 2 front (or rear) outrigger switches to the
“JACK”
position.
1 Push and hold outrigger extend / retract master switch to the
“RETRACT”
position at the same time.
2 After the 2 front (or rear) outrigger jacks fully retract, release the master
Warning