Komatsu H75051 Operation & Maintenance Manual page 250

MACHINE OPERATIONS AND CONTROLS
5.
Depress the R.H. brake pedal (4), and set the parking
brake switch (5) to OFF position (C) to release the parking
brake.
Keep the R.H. brake pedal (4) depressed.
REMARK
When the parking brake remains applied even if the park-
ing brake switch (5) is at OFF position (C), turn the parking
brake switch (5) to ON position (B), then turn it to OFF po-
sition (C) again.
6.
Set the speed range selector switch (6) to the desired po-
sition.
Position (a): 1st speed
Position (b): 2nd speed
Position (c): 3rd speed
Position (d): 4th speed
7.
Set the directional lever (6) to the desired position.
Position (F): FORWARD
Position (N): NEUTRAL
Position (R): REVERSE
Check that the backup alarm sounds when the directional
lever is set to REVERSE.
If the backup alarm does not sound, ask your Komatsu dis-
tributor for repair.
REMARK
You can also use the directional selector switch (7) to set
the travel direction to FORWARD, NEUTRAL, and RE-
VERSE.
Position (F): FORWARD
Position (N): NEUTRAL
Position (R): REVERSE
Set the directional lever (6) to NEUTRAL position and the
directional selector switch actuation switch (8) to ON posi-
tion (A) when selecting FORWARD, NEUTRAL or RE-
VERSE with the directional selector switch (7).
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OPERATION