Komatsu GALEO HM350-2 Operation & Maintenance Manual page 139

OPERATION OPERATION
5. Check that retarder pilot lamp (3) is not lighted up, then set shift
lever (4) to the desired position.
NOTICE
When operating the shift lever, be sure to set it in position securely.
If the lever is not placed in position properly, the shift position display
on the panel may go out and the transmission warning monitor lamp
may light up.
Always release the accelerator pedal before shifting from N to R or F.
6. Depress accelerator pedal (5) to move the machine off.
NOTICE
If the gearshift lever is shifted to a position other than N when the
parking brake has not been released, the central warning lamp will flash
and the alarm buzzer will sound.
If the gearshift lever is shifted to a position other than N when the dump
lever is at a position other than FLOAT or the body is raised, the central
warning lamp will flash and the alarm buzzer will sound.
Do not operate the gearshift lever with the accelerator pedal depressed.
This will cause a big shock and will also reduce the service life of the
machine.
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OPERATION OPERATION