Komatsu PC220LC -8 Operation & Maintenance Manual page 232

OPERATION
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1. Load and unload on firm level ground only.
Maintain a safe distance from the edge of a road.
2. Apply the trailer brakes securely, then put blocks (1) under the
tires to prevent the trailer from moving.
Set left and right ramps (2) parallel to each other and
equally spaced to the left and right of center (3) of the trailer.
Make angle of installation (4) a maximum of 15°. If the
ramps bend a large amount under the weight of the
machine, put blocks under the ramps to prevent them from
bending.
3. Turn the travel speed selector switch to low speed travel (Lo
lamp lights up).
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).
4. Turn auto-deceleration switch (7) OFF and operate the fuel
control dial to set the engine speed to low idling.
Each time auto-deceleration switch (7) is pressed, it
switches OFF
When auto-deceleration switch (7) is turned OFF, the
auto-deceleration monitor (8) goes out.
5. Turn the swing lock switch ON to apply the swing lock.
When the swing lock switch is turned to the ON position, the
swing lock monitor (9) lights up.
(a): ON position
(b): OFF position
ON OFF in turn.
TRANSPORTATION
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