Chapter 8 - Operation
31
3–2–1 Forward and backward
CAUTION
• Use the arrow decal to determine
which way is forward and which way is
backward.
• A warning buzzer will beep regularly
when the travel control lever is being
operated.
Depress the foot switch and operate the travel
control lever to the traveling direction.
3–2–2 Steering
In order to change course, step on the foot
switch while using the steering switch.
3–2–3 High-speed traveling
DANGER
• Steer straight while traveling at high
speeds.
• Switch to either medium or low speed
before turning.
• The platform will swing widely, and
there is a possibility the operator will be
thrown from the platform.
CAUTION
• Do high-speed traveling only when the
traveling surface is flat, you have a good
forward view, and you have to travel for
a long distance.
• Under normal circumstances, keep the
travel speed select switch on “LOW
SPEED.”
• Engine rotations become high
automatically when high-speed
traveling. Avoid changing your traveling
speed because doing so creates a big
shock.
• High-speed traveling is only possible
when the boom is fully retracted, the
boom angle is under the horizontal,
and the rotation angle is under 10
°
. In
all other situations, even if you turn the
travel speed select on “HIGH SPEED,” you
will be able to travel only at low speeds.
3–3 Boom operation
DANGER
Do not push the boom or platform to
the ground, or use them to crash into
objects, or push things up.
WARNING
Before rotating the boom, make sure
it will not catch people or things, and
make sure there are no obstacles in the
way.
The turntable protrudes 850 mm (2 ft
– 9 in) beyond the width of the chassis
when rotating the boom, so watch the
turntable movement and make sure
that no person or obstacle is around the
turntable. If the boom cannot be raised
and the rear of the turntable cannot be
seen, have a guide assist you.
CAUTION
• Before rotating the boom, make sure the
rotation lock pin has been removed.
• If the boom is rotated while the machine
leans, the rotation may be rough.
• Pay attention to how the turntable
moves when rotating it.
• If you cannot raise the boom, or are not
able to see the rear of the turntable,
perform the rotation under the
supervision of a guide person.
3–4 Platform rotating operation
CAUTION
• Keep the platform straight while
traveling.
• When rotating the platform neck, make
sure to stop the machine, and check the
safety of the surrounding area.
Depress the foot switch and operate the
platform rotation switch to rotate the platform.
Summary of Contents for SP12C
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