Komatsu Galeo PC800-8 Shop Manual page 927

50 Disassembly and assembly
2] When not using tool A2
Make marks (a) and (b) on the bolts
and cylinder head, then retighten
each bolt by 90°
– (6).
a After tightening bolts (1) – (6),
tighten auxiliary bolt (7).
3
Auxiliary bolt (7):
66.6 ± 7.4 Nm {6.8 ± 0.8 kgm}
3. Crosshead
Install crosshead (116).
a Adjust the crosshead according to the fol-
lowing procedure.
1] Loosen locknut (114) and return
adjustment screw (115).
2] Holding the top of the crosshead
lightly, tighten adjustment screw
(115).
3] After adjustment screw (115) touches
the valve stem, tighten it further by 20°.
4] Tighten locknut (114) under this con-
dition.
3
Locknut:
58.7 ± 5.9 Nm {6.0 ± 0.6 kgm}
PC800, 850-8
+30°
in the order of (1)
+0
4. Fuel injector
a Check that the inside of the injector sleeve
is free from dirt.
1] Install gasket (120) and O-ring (121)
to fuel injector (110).
2
O-ring: Engine oil (EO30)
2] Install holder (122) in fuel injector (110),
then insert the injector connector in the
high-pressure pipe insertion hole.
3] Fit ball washer (123) to bolt (113) and
tighten holder (122) temporarily.
2
Ball washer:
a Tighten holder (122) permanently
after installing the wiring harness
and connector and tightening the
high-pressure pipe temporarily.
4] Install wiring harness terminal right
and left (111) to fuel injector (110) with
the nuts.
3
Terminal nut:
1.8 – 2.2 Nm {0.18 – 0.22 kgm}
5] Install spring clamp (124) and wiring
harness holder clamp (112).
a Slack off the wiring harness and
press it against the injector.
5. Push rod
Install push rods (109).
a Check that the point of push rods are in
the cam follower socket area.
SEN01054-01
Engine oil (EO30)
17