SEAL 1179315 - Caterpillar

Illustration 1 g03778259
Typical example
Table 1
Specification for 179-3444 Camshaft Gp, 179-3448 Camshaft Gp, 179-3458 Camshaft Gp, 179-3455 Camshaft Gp, 7E-8151 Camshaft Gp, and 7E-8158 Camshaft Gp
Item Qty Part Specification Description
A 2 177-7760 Cam Plate Thickness is 11.80 0.05 mm (0.465 0.002 inch).
B - - Diameter of bearing journals in a new journal camshaft assembly is 173.80 0.03 mm (6.843 0.001 inch).
1 - 9X-6380 Bolt Torque to 270 40 N m (199 30 lb ft).
2 2 7W-0855 Bolt Before assembly, apply Loctite C5A Copper Anti-Seize to threads.
Illustration 2 g03778261
View of area C
Table 2
Item Qty Part Specification Description
D - 6V-3538 Dowel Extension of the dowel is 7.00 0.50 mm (0.276 0.020 inch).
Illustration 3 g03778262
Table 3
Item Qty Part Specification Description
- - - Use the following procedure in order to determine the camshaft lobe lift:
1. Measure camshaft lobe height (F).
2. Measure base circle (G).
3. Subtract the base circle (G) from the camshaft lobe height (F). The difference is the actual camshaft lobe lift.
E - - Specified camshaft lobe lift:
Inlet lobe is 19.500 mm (0.7677 inch).
Exhaust lobe is 19.500 mm (0.7677 inch).
Injector lobe is 21.472 mm (0.8454 inch).