GEAR-RING 9G1230 - Caterpillar

Illustration 1 g01776114
Rear view
Note: Before installation of the flywheel housing, inspect the front face of the flywheel housing and the rear face of the rear housing. The components must be free of the following substances:oil, fuel, water, assembly compounds, and any other contaminants.Use the following procedure to tighten the flywheel housing bolts:
Tighten the bolt (1) through bolt (2) in the numerical sequence that is shown in Illustration 1 to 55 10 N m (41 7 lb ft). These bolts are 3/8-16 X 4 3/4 inches.
Tighten the bolt (3) through bolt (10) in the numerical sequence that is shown in Illustration 1 to 135 20 N m (100 15 lb ft). These bolts are 1/2-13 X 5 inches.
Tighten the bolt (11) through bolt (32) in the numerical sequence that is shown in Illustration 1 to 47 9 N m (35 7 lb ft). These bolts are 3/8-16 X 2 1/2 inches.
Illustration 2 g01776133
Section A-A
Note: Check assembled installation depth of the crankshaft seal group with the crankshaft at maximum rearward position. (B) Assembled installation depth of the crankshaft seal group ... 6.15 to 6.55 mm (0.242 to 0.258 inch)Note: The seal and the sleeve of the crankshaft seal group must not be used if the seal and the sleeve have been separated. (33) The seal driver must not contact the seal within the following diameter. ... 177.80 0.25 mm (7.000 0.010 inch)
Illustration 3 g03708596 (34) Torque for the plugs ... 180 20 N m (133 15 lb ft)