RADIATOR GP 7C8651 - Caterpillar

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Section A-A
Refer to Disassembly and Assembly, "Final Drive, Brake and Wheel (Rear)" for the assembly for the rim adapter and refer to Tool Operating Manual, NEHS0872, "Preload Procedure" for bearing preload. (1) Torque for the nuts ... 3100 350 N m (2286 258 lb ft) (2) Lubricate the seal assembly lightly with the lubricant that is being sealed. Ensure that the seal assembly is snapped into the groove. Keep the brake hub (3) centered on the seal retainer (5) in order to prevent the damage of the seal assembly on holes of the brake hub during assembly. (4) Lubricate two O-ring seals lightly with the lubricant that is being sealed. (6) Apply 154-9731 Thread Lock Compound to the threads of the bolts. (7) Apply 4C-5592 Anti-Seize Compound to the serrated length of the shank of the stud before pressing into the wheel (8). (9) Install the seal retainer so that one of the cast hole in the seal retainer is in line with the tube of spindle oil. (10) Use the following procedure to tighten the 21 bolts:
Install one half of the total bolts so that the bolts are equally spaced. Tighten the bolts in the alternate sequence to 450 50 N m (332 37 lb ft).
Install the remaining bolts and tighten to 800 100 N m (590 74 lb ft). Turn the bolts to an additional angle of 90 10 degrees.
Tighten the bolts that were installed in step 1 to 800 100 N m (590 74 lb ft). Turn the bolts to an additional angle of 90 10 degrees. Note: Do not use the bolts which are removed after the above setting procedure. Discard the bolts and replace the bolts with new bolts. (11) As required, use the following shim pack in order to fill the gap between the reaction hub and the spindle assembly which allows correct preload on the bearings and a good bolted joint: 139-7624 Shim Pack Thickness of the shim pack ... 3.90 mm (0.154 inch) (12) Torque for the bolts ... 3100 350 N m (2286 258 lb ft)
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Detail B
Service and parking brake group
(13) Torque for the taperlock studs ... 1200 150 N m (885 111 lb ft)Note: Torque each nut (14) in one revolution at a time in order to pull down the housing evenly. When all of the nuts bottom out,