OVERDRIVE BRAKE INSPECTION


  1. INSPECT PISTON OPERATION OF OVERDRIVE BRAKE


    1. A01BAQ7

      Place the O/D support assembly onto the direct clutch assembly.

    2. A01BF2C

      Apply compressed air (392 kPa, 4.0 kgf/cm2, 57 psi) into the oil passage as shown, and check that the O/D brake piston moves smoothly.

  2. INSPECT OVERDRIVE BRAKE RETURN SPRING SUB-ASSEMBLY


    1. A01BEME

      Measure the free length of the spring together with the spring seat.

      Standard free length
      17.03 mm (0.671 in.)

  3. INSPECT OVERDRIVE BRAKE CLUTCH DISC


    1. A01BAWOE02

      Check if the sliding surfaces of the disc, the plate and the flange are worn or burnt. If necessary, replace them.

      Tech Tips

      If the lining of the disc is peeled off or discolored, or even if only a part of the printed numbers is corroded, replace all discs.