24. SERVICE PROCEDURE 24.4.6 CHECK BRAKE PERFORMANCE ¤ WARNING If the machine moves during the following operation, please contact your Komatsu distributor for repairs immediately. Before starting the engine, check that the area around the machine is safe, then do as follows. 1. Start the engine. 2. Set safety lever 1 to the FREE position then operate blade control lever and ripper control lever 3 to raise the blade and ripper. Leave the safety lever to the FREE position. 3. Set parking lever 3 to the FREE position. 4. Depress brake pedal 4 and move joystick 5 to the FORWARD 2nd position. NOTICE Do not place the gear shift lever in the 1st speed position.
Otherwise, it will cause damage to the machine. 5. Operate fuel control lever 6 to raise the engine speed gradually to full throttle. 6. Check that the machine does not move. This indicates that brake performance is normal. 3-52