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Doosan DB33A - Page 57

Doosan DB33A
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53
¡¡
Cylinder head gasket (20)
The gasket "TOP" mark must be facing up and
"FRONT" mark is towards the front of the engine.
¡¡
Cylinder head assembly (21)
Carefully place the cylinder head on the cylinder body.
Lubricate the head bolts and contact face of the
cylinder head.
Tighten the head bolts in the numerical order as
shown in the figure.
¡¡
Rocker arm shaft assembly (23)
Tighten the rocker arm bracket bolts to the specified
torque a little at a time in the numerical order shown in
the figure.
Adjust the valve clearance
1st step 2nd step
Front top mark
Front
¡ Shorter head bolts are used
for injection pump side
Front
Refer to MAINTENANCE for
the valve clearance adjustment
procedure.
Torque (kgƒUm)
3.1
(22.4 lb¡⁄ft)
7.0
(50.6
lb¡⁄ft
)
11.5
(83.2
lb¡⁄ft
)

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