COVER 7S4490 - Caterpillar

Illustration 1 g01067262
(1) Breather assemblyThe conditions that follow will allow the crankcase pressure to be less than 0.4 kPa (0.06 psi). Inside diameter of fumes disposal tube ... 31.8 mm (1.25 inch) Blowby per hour ... 19.82 cubic meters (2) Valve mechanism coversCut the seal (3) to length for each of the three valve mechanism covers. Coat the joint surface with 3S-6252 Sealant.
Illustration 2 g01067307
(4) Tighten bolts 1 through 6 in a numerical sequence to the following torque. ... 12 3 N m (105 27 lb in)Again tighten bolts 1 through 6 in a numerical sequence to the following torque. ... 12 3 N m (105 27 lb in) (5) Valve mechanism cover base
Illustration 3 g01067433
(6) Tighten bolts 1 through 8 in a numerical sequence to the following torque. ... 30 3 N m (22 2 lb ft)