Cylinder Head Cover; Removal - Hitachi 4HK1 Workshop Manual

1B-2 Mechanical (4HK1)

removal

1. Ventilation hose disconnect
1. Remove the air leak pipe from the EGR cooler and
bracket.
Note：
・ The existence or nonexistence of the
equipment varies depending on the machine
manufacturer.
2. Remove the bracket from the cylinder head cover.
3. Disconnect the oil level gauge guide tube from the

cylinder head cover.

4. Disconnect the ventilation hose from the air breather.
1. Air leak pipe
2. Oil level gauge guide tube
3. Ventilation hose
4. Bracket
2. Cylinder head cover removal
1. Remove the cylinder head cover from the lower
cover.
2. Remove the head cover gasket from the cylinder
head cover.
Cylinder head cover
1. Cylinder head cover
2. Gasket
3. Lower cover