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Doosan DV11 - Connecting Rod Bolt Tightening Order; Oil Pump; Standard Length of Bolt and Use Limit

Doosan DV11
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DV11
Operation and Maintenance
98
Engine Reassembly
Printed in Mar. 2005 PS-MMA0608-E1A
<Connecting rod bolt tightening order>
(1) First step : Coat the bolts with engine oil.
(2) Second step: Engage 23 threads by hands.
(3) Third step : Tighten to about 7kg.m with wrench.
(4) Fourth step : By means of torque wrench tighten to 10 kg.m.
(5) Fifth step : Finally assemble by means of rotation angle method 90°+10°.
However, according to above tightening order, tighten them step by step
< Standard length of bolt and use limit>
From head seat to bolt tip
Standard length Use limit
67.5
-0.3
mm 69 mm
z By moving the connecting rod
bearing cap by hands, make sure if
there is any play in left and right.󰼿
z With the same method as above,
assemble in each cylinder rotating
the crankshaft.󰼿
3.3.11. Oil pump
z Put the oil pump at the place to be
installed on the cylinder block.
z Attach a gasket at the surface of
oil pump where the pressure
regulating valve is to installed and
place the regulating valve on a
gasket.
Connecting rod
bolt
Oil suppl
y
hole
View from crank
shaft pulley

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