Komatsu PC138USLC Operation & Maintenance Manual page 218

OPERATION
High Speed Travel
On uneven roadbeds such as rock beds or uneven roads with large
rocks, travel at Lo speed. When traveling at high speed, set the
idler in the forward direction.
Press travel speed selector switch (1) to change the travel
speed. The travel speed (Lo, Hi) is displayed on travel speed
monitor (2).
Folding in Work Equipment
(Only machines with blade specification)
When folding in the work equipment to the travel or transportation
posture, be careful not to let the bucket hit the blade.
Avoid Hitting Blade
(Only machines with blade specification)
Be careful not to hit the blade against rocks or boulders. This will
cause premature damage to the blade or cylinders.
MACHINE OPERATIONS AND CONTROLS
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