Komatsu 114E-3 Series, Shop Manual

Page: 337 / 342

50 Disassembly and assembly SEN00464-01
114E-3 Series
29
37. Electrical intake air heater and air intake
connector
1) Fit the gaskets to the top and bottom of
electrical intake air heater (3) and install
them.
2) Install air intake connector assembly (2)
with bolts (1).
38. Exhaust manifold and turbocharger
1) Fit the gaskets and install exhaust mani-
folds (4) and (5). Tighten the mounting
bolts in the numerical order shown below:
[1]
o
[12]
3
Tightening order of bolts:
1]
Tighten all the bolts to
24 ± 4 Nm {2.4 ± 0.4 kgm} .
2] Retighten only bolts [1] – [4] in
the figure to
24 ± 4 Nm {2.4 ±
0.4 kgm} in the order of their
numbers.
3] Tighten all the bolts to
43 ± 6 Nm {4.4 ± 0.6 kgm} .
4] Retighten only bolts [1] – [4] in
the figure to
43 ± 6 Nm {4.4 ±
0.6 kgm} in the numerical
order.