SERVICE PROCEDURE MAINTENANCE
4-52
CHECK BRAKE PERFORMANCE 4
WARNING
If the machine moves during the following operation, please contact your Komatsu distributor for repairs
immediately.
NOTICE
Do not place the gear shift lever in 1st under any circumstances. The machine will be damaged.
Before starting the engine, check that the area around the machine is safe, then do as follows.
1. Start the engine.
2. Set work equipment lock lever (1) to the FREE position (F)
then operate blade control lever (2) to raise the blade.
Leave the work equipment lock lever(1) to the FREE posi-
tion (F).
3. Set parking brake lever (3) to the FREE position (F).
4. Depress brake pedal (4), set steering, forward-reverse,
gear shift lever (5) in FORWARD, then press the shift up
button to enter 2nd speed.
5. Operate fuel control dial (6) and gradually raise the engine
speed to full throttle. (Keep the brake pedal depressed.)
6. Check that the machine does not move. This indicates that
brake performance is normal.
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