Komatsu PC45MR-30403, Operation And Maintenance Manual, Page: 252 / 475

REMARK
Drive the machine down with sprocket (1) downward.
If the machine travels down with sprocket (1) upward, the
tracks may be loosened and may jump teeth.
2.
When driving the machine up steep hills of 15 ° or more,
set the machine to the posture shown in the figure with
bucket height (b) at 20 to 30 cm {7.9 to 11.8 in} , and drive
the machine.
Braking on downhill slope
Set the travel lever in NEUTRAL position and the brake will be applied.
If engine stops
If the engine stops when driving the machine uphill, move the travel levers to NEUTRAL position, lower the
bucket to the ground, stop the machine, and then start the engine again.
OPERATION MACHINE OPERATIONS AND CONTROLS
3-191