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KD 477-2 Workshop Manual_cod. ED0053029370_1° ed_ rev. 00
76
77
78
79
XIII
0,15 mm
5 kgm (49 Nm)
intake/exhaust
Fitting cylinder heads
Insert oil seal O-rings on rocker arm housing and t the cylinder head
in place. Insert 0.5 mm copper gaskets between the surfaces. (g.
77).
Make sure the oil seal rings are housed properly in the he-
ads to avoid oil leaks.
Align heads using a manifold or a metallic bar as shown in g. 78.
Tighten down cylinder head nuts uniformly (g. 78) increasing 1 kgm
at every turn until a pressure is reached of:
Valve clearance
The clearance between valves and rockers with the engine cold (g.
79) is:
The operation must be carried out with the pistons at their top dead
center compression position.
ENGINE ASSEMBLY
Adjustment is effected by inserting copper washers between the in-
jector and injector supporting faces on the heads (g. 76). Washer
thickness 1 mm.
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