Komatsu HM400-1 User Manual

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MAINTENANCE
SERVICE PROCEDURE
CHECK BRAKING CAPACITY OF PARKING BRAKE
WARNING
If the machine moves, it will lead to serious injury or death. If machine begins to move during the inspection of braking capacity,
lower the engine speed immediately, set shift lever at N position, and then depress the foot brake.
Check the braking capacity of the parking brake as follows.
1.
Stop the machine on flat ground and set parking brake switch
(1) to PARKING.
2.
Set shift lever (2) to the D position, gradually raise the engine
speed. If the machine does not move even when the engine
speed reaches 1400 rpm, it is normal.
3.
Lower the engine speed, set shift lever at N position. If any
abnormality is found, ask your Komatsu distributor for repair.
NOTICE
There is danger of damage inside the transmission, so always do this with the shift lever at the "D" position. Do not use any other
position.
CHECK WEAR OF PARKING BRAKE PADS
WARNING
Never put any oil or grease on the surface of the pad or disc.
Measure the thickness of the pad, and if it is less than 1.5 mm (0.06
in), contact your Komatsu distributor.
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Komatsu HM400-1 Specifications

General

Brand	Komatsu
Model	HM400-1
Category	Trucks
Language	English