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PLUG 4Z8552 - Caterpillar

4Z8552 PLUG Caterpillar parts PLUG
Alternative (cross code) number:
Caterpillar 4Z8552 PLUG
Weight: 0.010 pounds 0 kg.

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Illustration 60 g03848079
Install retaining ring (36). Compress retaining ring (36) and install gear (37). Apply Tooling (F) to thrust buttons (35) and install eight thrust buttons (35).
Illustration 61 g03854289
Install bearings (31) and (33) into gear (32).
Install thrust washers (30) and (34) and gear (32).
Remove the spring pin from shaft (27) and install shaft (27).
Illustration 62 g03854383
Install shaft (27). Install spring pin (28) into shaft (27) flush with the inside of the carrier assembly indent.
Repeat steps 97 through 100 for the remaining gear assemblies.
Illustration 63 g03847725
Install rotor sensor (26) and bolts (25).
Illustration 64 g03847720
Install bearing (23) and retaining ring (22).
Install roll pin (24).
Illustration 65 g03847644
Install retainer (19) and retaining ring (18).
Install bearing cone (20) and spacer (21).
Illustration 66 g03855768
Attach a suitable lifting device to carrier assembly (15). The weight of carrier assembly (15) is approximately 36 kg (80 lb). Install carrier assembly (15).
Illustration 67 g03847542
Install two bearing cups and bearing cone (17). Use Tooling (G) to install new lip seal (16). Lubricate the seals with the fluid that in being sealed.
Illustration 68 g03855776
Position a new gasket and install the rear cover assembly. Install 24 bolts (12) and the washers.Note: Prior to tightening bolts (12) there will be a minimum 5 mm (0.2 inch) between the rear cover and the case.
Illustration 69 g03855813Note: Installing the yoke assembly will seat the bearing.
Use Tooling (H) to install wear sleeve (14) onto yoke assembly (11).
Position yoke assembly (11) and install the two lubricated O-ring seals, the plate, the washer and bolt (13).
Install output speed sensor assemblies (10).
Illustration 70 g06045516
Use Tooling (A) to rotate the transmission 180 degrees.
Remove bolts (8) and (9) and the washers.
Illustration 71 g06169940
Illustration 72 g06169956
Install pump (4). Ensure that the pump is fully seated. Position a new gasket and install cover/manifold (7).
Install bolts (3), (5), and (6) and tighten to the torque and start and stop sequence shown above.
Assure the gear teeth rotate freely. Tighten bolts (3), (5), and (6) a second time confirming torque.
Illustration 73 g03842227
The torque converter is easier to install with cover (2) removed.
Install the transmission wiring harness and the associated brackets.End By:
Install the torque converter.

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