BUSHING 2198827 - Caterpillar

Align the tabs on actuator housing (8) with the slots in the case housing. Install actuator housing (8) and gear (9) in the case housing.
Illustration 13 g00333298Note: Replace the disc pack if the stack heights of the two disc packs are not symmetrical within 0.10 mm (0.004 inch). Also replace the disc pack if the friction material is worn and areas of the friction discs are allowing steel to contact steel. Make sure that the correct disc packs are used for replacement according to the description on the differential case cover. If "THIN" is marked on the cover, use two thin disc packs. If "THICK" is marked on the cover, use two thick disc packs. Do not use one disc of each size.
Illustration 14 g00342292
Illustration 15 g00332963
Thoroughly apply clean axle oil on the plates and on the friction discs. Install two friction discs (6) and two plates (7) in the case housing in alternating order. Start with a friction disc.
Use the following procedure to measure the end play gap:
Illustration 16 g00332921
Install Tooling (A) on case housing (3), as shown. Note: The center bolt of Tooling (A) must have a M16 × 2.0 thread in order to apply the proper preload on the disc packs.
Illustration 17 g00332959
Tighten the center bolt of Tooling (A) to a torque of 27 N m (20 lb ft). This will apply 900 kg (2000 lb) of preload on the disc packs.
Illustration 18 g00332922
Mount the magnetic base of Tooling (B) on the inner face of differential case cover (2), as shown.
Zero the dial indicator on the outer face of differential case cover (2), as shown.
Carefully remove Tooling (B) from differential case cover (2).
Illustration 19 g00332962
Mount the magnetic base of Tooling (B) on the top of case housing (3), as shown.
Place the dial indicator on disc pack (5), as shown. Record the reading.
Record two additional readings from different areas of disc pack (5).
Average the three readings. This is the end play gap.
If the end play gap for the existing disc packs is greater than 0.81 mm (0.032 inch), the disc packs must be replaced. If the end play gap for the existing disc packs is correct, proceed to Step 14.
If new disc packs are installed, the end play gap must be between 0.203 mm (0.008 inch) and 0.508 mm (0.020 inch). Measure the end play gap again.
If the end play gap is not between 0.203 mm (0.008 inch) and 0.508 mm (0.020 inch) and two thin disc packs were installed, replace the thin disc packs with thick disc packs and measure the end play gap again.
If the end play gap is not yet between 0.203 mm (0.008 inch) and 0.508 mm (0.020 inch), replace the pinion shafts and/or both actuator housings. Use either two thin disc packs or two thick disc packs in order to achieve an end play gap that is between 0.203 mm (0.008 inch) and 0.508 mm (0.020 inch). Note: If a different size of disc packs was installed, change the existing description on the differential case cover for future