Komatsu PC450-8 Operation & Maintenance Manual page 243

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OPERATION
6. Turn the travel speed selector switch to low speed travel
(Lo lamp lights up).
q
Press travel speed selector switch (5) to switch the
travel speed. The travel speed (Lo, Mi, Hi) is displayed
on the travel speed monitor (6).
7. Turn auto-deceleration switch (7) OFF and operate the fuel
control dial to set the engine speed to low idling.
q
Each time auto-deceleration switch (7) is pressed, it
switches OFF
q
When auto-deceleration switch (7) is turned OFF, the
auto-deceleration monitor (8) goes out.
8. Raise the work equipment, pull in the arm under the boom,
then move the machine slowly.
9. When the machine is horizontal on top of the rear wheels
of the trailer, stop the machine.
NOTICE
q
When unloading the machine, always keep the arm
and boom at an angle of 90° - 110°.
If the machine is unloaded with the arm pulled in, it will
cause damage to the machine.
q
When moving onto the ramps, do not thrust the bucket
into the ground. This will cause damage to the hydrau-
lic cylinders.
10. When moving from the rear of the trailer on to the ramps,
set the angle of the arm and boom to 90° to 110°, lower the
bucket to the ground, then move the machine slowly.
11. When moving down the ramps, operate the boom and arm
slowly to lower the machine carefully until it is completely
off the ramps.
ON
OFF in turn.
TRANSPORTATION
3-177

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