Komatsu GD555-5 Operation & Maintenance Manual page 162

OPERATION OPERATION
4. Return inching pedal (2) back gradually, while keeping brake
pedal (1) depressed.
By returning inching pedal (2) back, the transmission starts to
transmit the power.
NOTICE
In starting operations of the machine, provide an interval of at least 2
seconds between the operations of procedure 2. and procedure 4.
5. When the transmission starts to transmit the power, release
brake pedal (1), return inching pedal (2) back, and then
depress accelerator pedal (4). The machine starts.
NOTICE
If releasing brake pedal (1) on slope before the transmission starts to
transmit the power, the machine may slip down.
REMARK
Even if being in Manual mode, when the gear shift lever is set to the
R3 or higher position, the automatic gear shift is selected and the
machine starts at the R2 speed.
WHEN SELECTING TORQUE CONVERTER AUTO MODE
1. Set the blade to the travel posture.
2. Depress brake pedal (1) and set gear shift lever (2) to any of
the 1st to 8th gear speeds.
REMARK
If the gear shift lever is set to the F5 or higher position, the
automatic gear shift is selected and the machine starts at the F4
speed.
If the gear shift lever is set to the R3 or higher position, the
automatic gear shift operates and the machine starts at the R2
speed.
OPERATION OPERATION
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