BASE AS 3967559 - Caterpillar

3304B Removal Procedure
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 1 g00590318
Loosen hose clamp (5) and remove the hose from breather cap (3) .
Remove bolt (1) and remove breather cap (3) .
Remove bolts (4) and the washers that hold valve mechanism cover (2) in position. Remove valve mechanism cover (2) and the gasket. 3306B Removal Procedure
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 2 g00513507
Remove bolt (1) and breather cap (3) from valve mechanism cover (2) . Remove the O-ring seal from breather cap (3) .
Remove bolts (4) and the washers that hold valve mechanism cover (2) in position. Remove valve mechanism cover (2) and the gasket. 3304B Installation Procedure
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 3 g00590318
Illustration 4 g00590290
Illustration 5 g00590318
Note: Check the condition of the gasket. If the gasket is worn or damaged, use new parts for replacement.
Install a new gasket for valve mechanism cover (2) . Apply 5H-2471 Adhesive on the surfaces of the gasket and valve mechanism cover (2) . Place valve mechanism cover (2) in position on the cylinder head.
Install bolts (4) that hold valve mechanism cover (2) . Tighten the bolts in a numerical sequence to a torque of 16 3 N m (12 2 lb ft).
Install the hose on breather cap (3) and tighten hose clamp (5) . 3306B Installation Procedure
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Note: Check the condition of the gasket and O-ring seals. If the gasket or the O-ring seals are worn or damaged, use new parts for replacement.
Illustration 6 g00513507
Install a new gasket for valve mechanism cover (2) . Put valve mechanism cover (2) in position on the cylinder head.
Illustration 7 g00450791
Install the washers and bolts (4) that hold valve mechanism cover (2) in position. Tighten the bolts in a numerical sequence to a torque of 16 3 N m (12 2 lb ft). Use the numerical sequence that is shown in illustration 7.
Put the O-ring seal and breather cap (3) in position. Install the washer and bolt (1) . Tighten bolt (1) to a torque of 14 3 N m (10 2 lb ft).