Daewoo ST Series Instrucciones de operaciones Pagina 95

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Check the inside of combustion cham-
ber for foreign substances, and care-
fully mount the cylinder head on the
cylinder block by aligning the dowel
pin in the pin hole. Be careful not to
damage the head gasket. If the dowel
pin is not in alignment, lift the cylinder
head again and then remount it.
Coat the head bolts with engine oil,
then tighten them in proper sequence
to the specified torque according to
bolt tightening order. (refer to the fig-
ure)
<Cylinder Head Bolts>
However, before tightening bolts, align the side face of 3 cylinder heads with parallel. They
should be adjusted in a straight line exactly.
<Tightening order of bolts by steps>
(1) First stage : Coat the bolts with engine oil.
(2) Second stage : Tighten 1 ~ 2 threads with hands.
(3) Third stage : Tighten at about 6 kg.m with a wrench.
(4) Fourth stage : Tighten at rotating angle method 180° with a wrench.
(5) Fifth stage : Finally, tighten at rotating angle method 150°with a torque wrench .
However, all bolts are tightened simultaneously by above steps as possible.
Coat the push rod with engine oil and insert it into the push rod hole.
- 92 -
EAMD102I
418 6
5 3 2 7
418 6
5 3 2 7
418 6
5 3 2 7
EDM2097I
Type 1 Type 2
Specification
M14
x
1.5
x
146 M14
x
1.5
x
146
Torque 24.5 kg
.
m 6 kg.m +180˚+150˚
TY
12.9T
TY
10.9T
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