CASE 7G8133 - Caterpillar

Illustration 1 g03155857
Rear view of engine
Illustration 2 g03155858
Right side view of the engine
Table 1
Specification for 344-2907 Flywheel Housing Gp
Item Qty Part Specification Description
During assembly, the front face of the flywheel housing group and the rear face of the rear housing must be free of oil, fuel, water, assembly compounds, and any other contaminants.
1 1 3F-6795 Dowel Protrusion (B) is 6.0 0.5 mm (0.24 0.02 inch).
- 2 231-4470 Bolt Use bolt 1 and bolt 2.
Length of 3/8 inch diameter bolt is 158.75 mm (6.250 inch).
- 8 231-4471 Bolt Use bolt 3 to bolt 10.
Length of 1/2 inch diameter bolt is 165.1 mm (6.50 inch).
- 6 8S-9191 Bolt Use bolt 11 to bolt 16.
Length of 3/8 inch diameter bolt is 101.6 mm (4.00 inch).
- 14 1A-5183 Bolt Use bolt 17, bolt 18, bolt 21 through bolt 30, bolt 32, and bolt 33.
Length of 3/8 inch diameter bolt is 120.65 mm (4.750 inch).
- 4 5B-9603 Bolt Use bolt 19, bolt 20, bolt 31, and bolt 34.
Length of 3/8 inch diameter bolt is 127.0 mm (5.00 inch).
- 2 0S-1619 Bolt Use bolt 35 and bolt 36.
Length of 3/8 inch diameter bolt is 76.2 mm (3.00 inch).
- - - Use the following procedure in order to tighten the bolts for the flywheel housing group:
Refer Illustration 1 for bolt tightening sequence.
1. Tighten bolt 1 and bolt 2 in a numerical sequence to 55 10 N m (41 7 lb ft).
2. Tighten bolt 3 through bolt 10 in a numerical sequence to 135 20 N m (100 15 lb ft).
3. Tighten bolt 11 through bolt 36 in a numerical sequence to 47 9 N m (35 7 lb ft).
4. Again, tighten bolt 1 and bolt 2 in a numerical sequence to 55 10 N m (41 7 lb ft)