Komatsu Galeo PC800-8 Shop Manual page 929

50 Disassembly and assembly
8. Install rocker arm and shaft assembly (108).
a Before tightening the mounting bolt, check
that the ball of adjustment screw (107) is
fitted to the socket of the push rod (109)
securely.
3
Mounting bolt:
93 – 103 Nm {9.5 – 10.5 kgm}
a Adjust the engine valve clearance.
For details, see "Adjusting valve clear-
ance" in Testing and adjusting.
3
Locknut (106):
53 – 64.7 Nm {5.4 – 6.6 kgm}
a After tightening the locknut, check the
valve clearance again.
9. Install cylinder head cover (105).
3
Cylinder head cover mounting bolt:
29.4 – 34.3 Nm {3.0 – 3.5 kgm}
10. Install covers (98) to the sleeve nut of high-
pressure pipes (101).
a Direct the slit as follows.
Cylinder head side: Direct the slit down.
Common rail side: Direct the slit toward
11. Install fuel spill tube (104).
3
Fuel spill tube joint bolt:
9.8 – 12.7 Nm {1.0 – 1.3 kgm}
12. Install wiring harness (103).
13. Install upper and lower clamps (126) and (99)
of the high-pressure pipe temporarily. At this
time, tighten the stay and upper and lower
clamps with the fingers.
a Tighten the clamps permanently after
installing the air intake manifold.
PC800, 850-8
the cylinder block.
14. Insert lubrication tube (129) of turbocharger
(TC).
a The lubrication tube cannot be inserted
after the air intake manifold is installed.
15. Install the air intake manifold.
a Before installing the air intake manifold,
insert 3 bolts (B).
a Tighten the mounting bolts of air intake
manifold assembly in the order of [1] – [24]
shown below.
3
Air intake manifold assembly mounting
bolt: 59 – 74 Nm {6 – 7.5 kgm}
SEN01054-01
19