4.3. For insufficient braking effect Troubleshooting 4.3. For insufficient braking effect 4.3.1. Checking the service brake Drive the machine at a speed of 20 km/h on a dry flat concrete road surface, and check whether the stopping distance is less than 5 m. NOTE All repairs conducted on the braking system must be con ducted at a Komatsu workshop. 4.3.2. Checking the parking brake function 1. Start the engine, set the machine to straight driving, and drive the machine with an empty bucket up a gradient of 25%. 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. 1 2 NOTE All repairs conducted on the braking system must be con ducted at a Komatsu workshop. 4-8 WA90-5 – VEAM270100