Komatsu PC200-8M0 Shop Manual page 991

200 Engine and cooling system
Removal and installation of cylinder head assembly
4) Insert fuel injector (58) in the cylinder
head, while directing its fuel inlet hole
toward the air intake manifold.
5) Tighten mounting bolts (59) of fuel injector
(58) by 3 to 4 turns.
6) Check the inlet connector visually. If it has
any of the following faults, replace it with a
new one.
1] There is a burr or a worn part at front
end (a) or rear end (b) of the inlet
connector.
2] There is foreign material in the edge
filter at rear end (c) of the inlet con-
nector.
3] The O-ring at upper part (d) of the
inlet connector is cracked or deterio-
rated.
PC200, 200LC, 220, 220LC-8M0
4] There is a worn part or an uneven
seat contact mark on sealing surface
(e) at the front end of the inlet con-
nector.
a If high-pressure fuel leaks through
the inlet connector, the sealing
surface has fine streaks or cracks.
7) Apply engine oil (EO15W-40) to the mount-
ing hole of inlet connector (57) on the cylin-
der head.
8) Apply engine oil (EO15W-40) to O-ring
(57a) of inlet connector (58) and insert
inlet connector (57) fully into the head
while matching part (B) with the groove in
the head.
SEN06143-00
29
50-200