Komatsu — WHEN REQUIRED

. MAINTENANCE SERVICE PROCEDURE BLEED AIR FROM REAR BRAKE WARNING TRANSMISSION CASE, ADD OIL (PAGE 3-72)". 4 - 41 When bleeding the air, the brakes are released, so the machine may move a nd cause serious personal i njury. When carrying out the air bleed operation, always park t he machine on level ground and put b locks To make it easier to bleed the air , warm the oil up to a temperature of at least 40°C (104°F) b efore bleeding the air. Bleed the air from the rear brake s in the same way on both the left and 1. Start the engine. 2. Check that the oil in the trans mission case is the specified level, and check if the brake oil pressure caution lamp is out. Remove the cap installed to 3.

adjuster, then insert a vinyl h Prepare a container with oil in hose approx. 50 mm (2.0 in) 4. (Use any commercially avail Depress the brake pedal and 3/4 turns. Keep the pedal d come out from the vinyl hose 5. Pull the retarder control leve approx. 3/4 turns. Keep the until no more bubbles come 6. After bleeding the air, tighten bleeder screw (1) securely and fi t the 7. The procedure for bleeder s same as for the slack adjuste 8. Add oil. For details, se