PISTON 4D0533 - Caterpillar

Illustration 1 g00620870
Illustration 2 g00620872
Position Tooling (A) under the front of the machine.
Loosen bolts (1) that hold the equalizer bar end pin in the track roller frame. Remove equalizer bar end pin (2). Repeat this step on the other side of the machine.
Position Tooling (B) under the equalizer bar. Adjust Tooling (B) to hold the equalizer bar after the removal of the center pin.
Illustration 3 g00620873
Remove bolts (3) and plate (4) from the equalizer bar saddle.
Illustration 4 g00620874
Insert Tooling (D) between the front of the equalizer bar and the equalizer bar saddle in order to prevent movement during the removal of the equalizer bar center pin.
Illustration 5 g00620876
Use Tooling (C) to pull the equalizer bar center pin approximately 50 mm (2.0 inch) out of the equalizer bar saddle.
Adjust Tooling (C). Pull the equalizer bar center pin out of the equalizer bar saddle until the step in the center pin is clear of the saddle. Remove Tooling (C).
Illustration 6 g00620875
Remove equalizer bar center pin (5) from the equalizer bar saddle.
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Use Tooling (A) to raise the front of the machine to a height of approximately 1140 mm (45.0 inch). Measure the distance from point (X) on the main frame to the ground.
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Illustration 9 g03386990
Attach Tooling (E) and a suitable lifting device to the equalizer bar. Remove Tooling (B).
Illustration 10 g03387328
Remove spacer (7) from each side of the equalizer bar. Lower equalizer bar (6).
Illustration 11 g03386992Note: Raise one end of the equalizer bar to contact with the main frame rail. Lower the other end of the equalizer bar to the ground. Remove the equalizer bar from the machine.
Use Tooling (E) to lower equalizer bar (6) from the equalizer bar saddle. The weight of equalizer bar (6) is approximately 240 kg (540 lb).Installation Procedure
Install equalizer bar (6) in the reverse order of removal.
Table 2
Torque Table
Undercarriage Types Torque Value
Suspended Undercarriage 1800 250 N m (1328 184 lb ft)
Non-Suspended Undercarriage 1600 200 N m (1180 148 lb ft)
Illustration 12 g06055082
Tighten bolt (1A) to the torque value listed in Table 2.
Tighten bolt (1B) to the torque value listed in Table 2.
Torque bolt (1A) again to the torque value listed in Table 2.
Torque bolt (1B) again to the torque value listed in Table 2.