Chapter 6 - Pre-Start Checks
24
you travel over something, or the machine
leans more than 5 °.
Setp 18
On a level road, make sure that when the
boom is extended about 1 meter (3 feet)and
below the horizontal, even when the travel
speed select switch is turned on "HIGH SPEED",
you are not able to change to high speed.
Step 19
Repeatedly rotate the boom more than 10 ° in
both directions, and check that the oscillation
axle is locked when the boom is out of center.
(1) Put the machine in the following state:
– Put the machine on a firm, level surface.
– Platform position: center
– Platform load: 0 kg
– Fly jib angle (only SP14CJ): horizontal
– Boom elevation: horizontal
– Boom rotation: rear center of the machine
(2) Rotate the boom counterclockwise
approx. 10 °.
The oscillation axles should be locked.
(3) Travel the left steer tire up onto a 100 mm
block or curb.
The machine chassis should be tilted.
(4) Position the boom center while in tilt
position.
The oscillation axles should unlock and
the machine chassis should be in level.
(5) Rotate the boom clockwise approx. 10 °.
The oscillation axles should be locked.
(6) Travel the right steer tire up onto a
100 mm block or curb.
The machine chassis should be tilted.
(7) Position the boom center while in tilt
position.
The oscillation axles should unlock and
the machine chassis should be in level.
M083E100
100 mm
Oscillation axle
locked
Unlocked
fig. 6-1
Summary of Contents for SP12C
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