Komatsu Galeo PC800-8 Shop Manual page 932

SEN01054-01
[*21]
Exhaust manifold, turbocharger and connector
assembly
1) Apply heat-resistant sealant to the fitting
parts of the exhaust manifold (between
ports No. 2 and No. 3 and between ports
No. 4 and No. 5).
2
Fitting parts:
Heat-resistant sealant (HOLTS MH705)
2) Fit the gasket and sling and install exhaust
manifold (1).
3) Tighten the mounting bolts in the following
order.
a Tighten the 3 bolts of (1) – (3) shown
below temporarily in the numeric
order and then tighten other bolts (4)
– (24) temporarily in the numeric
order. Then, tighten all bolts (1) –
(24) to the specified torque in the
numeric order.
2
Mounting bolt:
Anti-seizure compound (LC-G)
3
Mounting bolt:
[*22]
3
Joint bolt of lubrication tubes (80) and (84):
24.5 – 34.3 Nm {2.5 – 3.5 kgm}
3
Mounting bolt of EGR valve (85) and bypass
valve (82):
[*23]
3
Joint bolt of lubrication tube (88):
34.3 – 44.1 Nm {3.5 – 4.5 kgm}
[*24]
3
Joint bolt cooling tube (91):
9.8 – 12.7 Nm {1.0 – 1.3 kgm}
[*25]
3
Joint bolt of air vent tube (93):
9.8 – 12.7 Nm {1.0 – 1.3 kgm}
22
59 – 74 Nm {6 – 7.5 kgm}
59 – 74 Nm {6 – 7.5 kgm}
50 Disassembly and assembly
Refilling with coolant
q
Add coolant through the coolant filler to
q
the specified level. Run the engine to cir-
culate the coolant through the system.
Then, check the coolant level again.
Bleed air from the fuel system. For details, see
q
Testing and adjusting, "Bleeding air from fuel
circuit".
k
Before starting the engine, check that the
wiring harnesses are at least 10 mm apart
from the high-pressure pipe.
PC800, 850-8