Machine Operation; Preparations For Moving The Machine - Komatsu PC450-8 Operation & Maintenance Manual

MACHINE OPERATIONS AND CONTROLS

MACHINE OPERATION

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Before operating the travel levers or travel pedals, check the direction of the track frame. If the track
frame is facing the rear (if the sprocket is at the front), the machine moves in the opposite direction
from the operation of the travel levers or travel pedals (front and rear travel is reversed, left and right
steering is reversed).
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Before starting the machine off, check that the area around the machine is safe, and sound the horn.
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Do not allow anyone to enter the area around the machine.
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Clear any obstacles from the travel path.
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There is a blind spot at the rear of the machine, so be particularly careful when traveling in reverse.
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If the travel levers or travel pedals is operated when the auto deceleration is being actuated, the
engine speed will suddenly rise, so be careful when operating.
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When traveling, check that the alarm sounds normally.

Preparations for Moving the Machine

1. Set swing lock switch (1) to the ON (actuated) position and
confirm that swing lock monitor lamp (2) lights up.
(a): ON position
(b): OFF position
2. Turn fuel control dial (3) towards the full speed (MAX) posi-
tion to increase the engine speed.
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WARNING
OPERATION
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