. MAINTENANCE SERVICE PROCEDURE BLEED AIR FROM PARKING BRAKE WARNING TRANSMISSION CASE, ADD OIL (PAGE 3-72)". 4 - 43 When bleed ing the air, the brakes are re leased, so the machine ma y move and c ause serious personal i njury. When carrying out the air blee d operation, always park the machine on level ground a nd put block To make i t easier to bleed the air, w arm the oil up to a temperature of a t least 40°C (104°F) b efore bleeding the air. Bleed the air from the parking brak es in the same way on b oth the left 1. Start t he engine. 2. Check that the oil in the transmi ssion case is the specifie d level , and check if the brake oil pressure caution lamp is out. 3.
Remo ve the cap of bleeder scre w (1), install to the block at the top of the slack adjuster, then i nsert a vinyl hose. Prepa re a container with oil in it and insert the other end of the hose a pprox. 50 mm (2.0 in) int o the oil. 4. (Use a Put th ny commercially availabl e retarder control lever, th e vinyl hose.) en set the parking brake switch to TR AVEL. 5. Loose n bleeder screw (1) appr ox. 3/4 turns. Continue u ntil no more bubbles come out from vi nyl hose. 6. After b leeding the air, tighten bl eeder screw (1) securely an d fit the ca 7. The pr ocedure for parking brak e bleeder screw (2) is the same as for the block on top of the sl 8. Add oil. For details, see