MOTOR GP-GEROTOR 4404622 - Caterpillar

Illustration 1 g00834994
This illustration shows a typical rear gear group. (1) Four 8M-2530 Bolts (2) Stub ShaftIn all of the 3508 Machine Engines that are used in these machines, four 8M-2530 Bolts (3) are now used in the balancer groups. See Illustration 2. These bolts are twelve point bolts. Formerly, hex head bolts were used. These bolts are used to fasten the stub shaft (4) to the rear of the cylinder block. The balancer gear (5) rotates on the stub shaft (4). Tighten the four bolts (3) to a torque of 140 10 N m (105 5 lb ft).
Illustration 2 g00835025
This illustration shows a typical balancer group for a 3508 Machine Engine. (3) Four 8M-2530 Bolts (4) Stub Shaft (5) Balancer GearNote: Please make a note about this information in the applicable service manual modules.