LOAD SENSING PROPORTIONING VALVE REMOVAL


  1. DRAIN BRAKE FLUID

    Note

    Immediately wash off any brake fluid that comes into contact with any painted surfaces.

  2. REMOVE LOAD SENSING WITH SPRING VALVE ASSEMBLY

    A01KGHH

    1. Remove the 2 bolts and separate the No. 1 load sensing shackle bracket.

    2. A01KHXT

      Using union nut wrench 10 mm, separate the 3 brake tubes from the load sensing proportioning valve.

    3. A01KFKR

      Remove the 4 bolts and separate the load sensing valve bracket.

  3. REMOVE LOAD SENSING PROPORTIONING VALVE

    A01KHRG

    1. Fix the load sensing valve bracket in a vise between aluminum plates.

      Note

      Do not overtighten the vise.

    2. Remove the nut and washer while holding the bolt.

    3. Remove the 2 nuts, 2 washers and load sensing valve set plate.

    4. Remove the load sensing proportioning valve and 2 plate washers from the load sensing valve bracket.

    5. A01KGD7

      Remove the clip and load sensing proportioning valve.

  4. REMOVE LOAD SENSING SPRING BUSH AND BOOT KIT

    A01KGX0

    1. Fix the No. 1 load sensing shackle bracket in a vise between aluminum plates.

      Note

      Do not overtighten the vise.

    2. Remove the nut, plate washer and No. 1 load sensing shackle bracket from the No. 2 load sensing spring shackle.

    3. A01KFBQ

      Remove the nut and washer while holding the bolt.

    4. Remove the No. 1 load sensing spring shackle and 2 plate washers.

    5. Remove the collar and 2 load sensing valve bushes from the No. 2 load sensing spring shackle.

    6. A01KI6C

      Remove the lock nut, No. 1 load sensing spring shackle, plate washer and nut from the No. 2 load sensing spring shackle.

    7. A01KFOXE02

      Remove the following parts from the load sensing spring.

      Symbol Name Quantity
      A No. 1 load sensing spring bush 2
      B No. 2 load sensing spring bush 2
      C Collar 2
      D Load sensing valve boot 1
      E Load sensing spring boot 1
      F Plate washer 2
      G Load sensing spring 1

  5. INSPECT LOAD SENSING PROPORTIONING VALVE

    A01KHGJ

    1. Inspect contact surface wear between the control valve piston and spring.

      Standard
      0.7 mm (0.028 in.)

      Note

      Do not disassemble the load sensing proportioning valve.