Komatsu PC138US-11 Operation & Maintenance Manual page 240

MACHINE OPERATIONS AND CONTROLS
METHOD FOR TRAVELING FORWARD
1.
Set the lock lever (4) to FREE position (F).
2.
Set the work equipment in the travel posture and raise it to
height (a).
: 40 to 50 cm
(a)
3.
Raise the blade if the machine is equipped with a blade.
4.
Operate right and left travel levers (5) or right and left travel pedals (6) as follows:
• When sprocket (A) is at the rear of the machine:
Start the machine either by pushing right and left trav-
el levers (5) forward slowly or by depressing the front
parts of right and left travel pedals (6) slowly.
• When sprocket (A) is at the front of the machine:
Start the machine either by pulling right and left travel
levers (5) backwards slowly or by depressing the rear
parts of right and left travel pedals (6) slowly.
5.
When traveling, check that the alarm sounds normally.
If the travel alarm does not sound, contact your Komatsu distributor for repair.
REMARK
In low temperatures, if the machine travel speed is not normal, thoroughly perform the warm-up operation.
In addition, if the undercarriage is packed with mud and the machine travel speed is not normal, remove the
soil and mud from the undercarriage.
METHOD FOR TRAVELING REVERSE
1.
Set the lock lever (4) to FREE position (F).
2.
Set the work equipment in the travel posture and raise it to
height (a).
: 40 to 50 cm
(a)
3.
Raise the blade if the machine is equipped with a blade.
4.
Operate right and left travel levers (5) or right and left travel pedals (6) as follows:
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OPERATION