Komatsu ecot3 PC300LC-8 Shop Manual page 894

SEN02636-03
38. Disconnect hoses (64) and (65) and remove
cylinder head cover (66).
39. Remove 12 bolts (67) and rocker arm assem-
blies (68).
a Loosen the locknut and then loosen the
adjustment screw fully so that an exces-
sive force will not be applied to the push
rod when the rocker arm is installed.
40. Remove crossheads (69).
a Record the position of each crosshead
and the positions of holes (a) and (b) for
the valve.
16
41. Remove the fuel injector assembly according
to the following procedure.
1) Clean the inlet connector carefully so that
mud, etc. sticking around it will not enter
its hole.
2) Remove retainer (70).
3) Tighten tool B1 into inlet connector (71)
and remove the inlet connector.
[*14]
a Before removing inlet connector (71)
[*14]
4) Loosen the upper nut and disconnect
injector wiring harness (73).
50 Disassembly and assembly
of the No. 6 cylinder, remove rear
engine hanging plate (72).
[*15]
[*16]
PC300, 350-8