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Disassembly and Reassembly of Major Components
- 83 -
●
Tighten the cylinder head bolts to the
specified torque according to step by
step.
●
However, prior to tightening the bolts,
with a long steel rule, the parallelness
between the cylinder heads must be
adjusted.
< Cylinder head bolts tightening order >
(1) First step
: Tighten temporarily 1 ~ 2 threads by hands.
(2) Second step : Tighten to a bout 8
kg.m
with wrench.
(3) Third step
: Tighten to 15
kg.m with a torque wrench.
(4) Fourth step : Rotate 90 by rotation angle method.
(5) Fifth step
: Finally tighten additionally rotating 90°.
* Standard length of bolt and use limit:
- From the head seat face to tip
Caution:
Take care for the foreign material not
to get into the cylinder head suction
passages.
4
2
1
6
5
3
EFM2077I
Intake side(Spark plug)
Exhaust side
Bolt No. Standard length
Use limit
3, 6
168 mm
171 mm
2, 4, 5
144 mm
147 mm
1
109 mm
112 mm
EOA11115
L
Содержание GV158TIC
Страница 1: ...950106 058010EN GV158TIC GV180TIC GV222TIC GAS GENERATOR ENGINE Operation Maintenance Manual...
Страница 2: ......
Страница 6: ...6 Engine Installation 143 6 1 Installing 143 6 2 Inspection Prior to Installation 144 Appendix...
Страница 130: ...Electrical equipment 124...
Страница 148: ...Maintenance of major parts 142...
Страница 152: ...Engine installation 146...
Страница 162: ...Appendix 156...