Komatsu PC290LC-11 Operation & Maintenance Manual page 323

OPERATION
3.
Raise the lever of lock (D).
REMARK
If the reaction force of lock (D) is large, try it again by shift-
ing bracket (C).
4.
Insert connector (A).
Securely insert the connector until it clicks.
PROCEDURES FOR UNLOADING MACHINE
Perform unloading of the machine on a firm, level ground.
Maintain a safe distance from the road shoulder
1.
Apply the brake of the trailer securely.
2.
Set chocks (1) to the wheels to secure the trailer.
3.
Set right and left ramps (2) parallel to each other and
equally spaced to the right and left of center (3) of the trail-
er. 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.
4.
Remove the chains and wire ropes fastening the machine.
5.
Start the engine.
Warm the engine up fully in cold weather.
6.
Set the lock lever to FREE position (F).
7.
Push travel speed selector switch (5) to set the travel
speed to low (Lo lights up).
The travel speed (Lo, Mi, Hi) is displayed on travel speed
display (6).
TRANSPORTATION
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