Komatsu — 24.8 Checking the Service Brake

MAINTENANCE PRIOR TO START 24.7 CHECKING THE PARKING BRAKE 24.7.1 TEST CONDITIONS Tire pressure: according to specification Road surface: dry, solid surface with a gradient of 18% Machine: ready for operation 18% 24.7.2 TEST PROCEDURE 1 - Start the engine, set the machine to straight driving, and drive the machine with an empty bucket up a gradient of 18%. 2 - Stop the machine with the service brake and do not release your foot again to keep the service brake applied. 3 - Lower the bucket. 4 - Set the driving direction switch (1) to its neutral position 'N'. 5 - Switch off the engine. 6 - Apply the parking brake (2) and slowly release the pedal of the service brake.

The machine must stand still. 75_213 18% 75_214 1 2 75_215 24.8 CHECKING THE SERVICE BRAKE Danger of accidents! Always put on the safety belt. Drive the machine at maximum speed on a dry and even road and apply the service brake. For this purpose, re- lease the accelerator pedal and quickly step on the brake pedal. The braking distance must not exceed 17 ft (5 m). 146