C4.4 (Mech) Industrial Engine Caterpillar

Illustration 1	g01286670
Breather valve

(1) Cover

(2) Cover plate

(3) Screws

Tighten the screws for the cover plate with a composite valve mechanism cover to the following torque. ... 1.3 N·m (11.5 lb in)

(4) Diaphragm

(5) Cap

(6) Spring

Illustration 2	g01286673

(7) O-ring

Note: Lubricate the O-ring with clean engine oil before installing the breather pipe in the valve mechanism cover.

(8) Tighten the bolts that secure the breather pipe to the cylinder head to the following torque. ... 9 N·m (80 lb in)

Breather Canister

Illustration 3	g01277902
Typical example (1) Connection (2) Clamp (3) Hose (4) Filter base (5) Bolts (6) Clamp (7) Hose (8) Canister

(2) Tighten the clamps to the following torque. ... 3 N·m (26 lb in)

(5) Tighten the bolts to the following torque. ... 22 N·m (16 lb ft)

(6) Tighten the clamp to the following torque. ... 3 N·m (26 lb in)

(8) Tighten the canister to the following torque. ... 12 N·m (106 lb in)