DISC AS 9R2477 - Caterpillar

Illustration 1 g02575316
(1) Damper group
(4) Gear assembly
(7) Crankshaft gear
(9) Gear
Illustration 2 g01399901
Tightening sequence
Table 1
Specification for 235-0993 Front Gear Gp and 355-2286 Front Gear Gp
Item Qty Part Specification Description
2 12 7K-3116 Bolt Torque to 240 40 N m (177 30 lb ft) in the sequence 1, 4, 2, 5, 3, 6, 1, 4 as shown in Illustration 2.
3 1 117-9712 Drive Idler Shaft Lubricate the shaft, the bearing bore, and the thrust faces of with clean engine oil.
5 1 112-9217 Thrust Plate Install the thrust plate with the oil groove side toward the idler gear assembly.
Lubricate the shaft, the bearing bore, and the thrust faces of with clean engine oil.
6 1 300-5575 Idler Gear As Lubricate the shaft, the bearing bore, and the thrust faces of with clean engine oil.
8 5 3G-2292 Locking Bolt Torque to 55 10 N m (41 7 lb ft).
10 1 0S-1571 Bolt Torque to 55 10 N m (41 7 lb ft).