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Doosan DE12T - Tightening Order

Doosan DE12T
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¥
Wet the fixing bolts with oil, semi-tighten them with hand, tighten them to specified torque
using a torque wrench as follows.
<Tightening order>
(1) First stage : Coat engine oil over bolts
(2) Second stage : Temporary screw the bolt about 1 ~ 2 threads
(3) Third stage : With torque wrench, tighten at about 15 kg.m
(4) Fourth stage : With torque wrench, tighten up to about 22 kg.m
(5) Fifth stage : Finally, tighten in the specified torque 28kg.m with torque wrench .
¥
Move the bearing cap with hand, and
release and reassemble it if no move-
ment is detected.
9.3.16. Relief valve
¥
Assemble the relief valve.
9.3.17. Oil pump and oil pipe
¥
Install a dowel pin in the No.7 bearing
cap, then assemble the oil pump with
specified torque.
¥
Assemble the oil suction pipe with the
delivery pipe, then install the bracket on
the bearing cap.
- 100 -
Torque 28 kg
¥
m
EAMD094I
EAMD036I
EAMD095I
Torque 4.4 kg
¥
m

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