24. SERVICE PROCEDURE 24.2.8 BLEED AIR FROM REAR BRAKE WARNING Stop the machine on level ground and put blocks under the wheels before bleeding the air. 1. Pull the retarder brake lever, loosen air bleed plug 1 to bleed the air from the circuit, then tighten plug 1 and release the retarder brake lever. 2. Repeat this procedure until no more bubbles come out from air bleed plug 1 . After completely bleeding the air, tighten plug 1 securely. To make it easier to bleed the air, warm the oil up to a tempera- ture of at least 40°C before bleeding the air. AE134020 24.2.9 BLEED AIR FROM FRONT BRAKE WARNING Stop the machine on level ground and put blocks under the wheels before bleeding the air. 1.
Start the engine and raise the pressure to the maximum position in the green range on the air pressure gauge. 2. Fill oil reservoir 1 with engine oil (CD class SAE10W). 3. Remove the cap of bleeder screw 2 , insert a vinyl hose (inside diameter: 8 mm (0.32 in)), then loosen the bleeder screw approx. 3/4 turns and depress the brake pedal slowly. After tightening the bleeder screw, release the brake pedal. Repeat this procedure until no more bubbles come out from the vinyl hose. Do not keep the brake pedal depressed continuously. Depress it each time slowly to bleed the air. After completely bleeding the air, tighten bleeder screw 2 securely and fit the cap. 4.
After completion of the air bleeding procedure, fill the oil reser- voir to the specified level (MAX). Repeat the same procedure on the left and right sides. When bleeding the air from the front brakes and rear brakes at the same time, bleed the air from the rear brakes first. AE134040 3-32