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Doosan DX22 - Page 77

Doosan DX22
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5. General Engine Information
71
EFM2070I
8) Move the connecting rod bearing caps by hand to check
whether they move smoothly from side to side.
9) Rotate the crankshaft in the same way as described
above when mounting it on each cylinder.
11. Oil pump
EDX22190091
1) Place the oil pump on the cylinder block mounting loca-
tion.
2) Tighten the oil pump and pressure adjustment valve with
mounting bolts to assemble them.
3) Apply a gasket to the oil suction pipe mounting surface of
the oil pump and tighten the oil suction pipe with
mounting bolts to assemble it.
4) Tighten the pipe bracket onto the cylinder block with bolts
to assemble it.
12. Vibration damper
EDX22190072
1) Assemble the crankshaft pulley and vibration damper
after first tightening them with mounting bolts.
2) Fit the crankshaft pulley assembly onto the crankshaft
and apply engine oil to the bolts; then, tighten them to the
specified torque.
EE1OM155
Oil pump backlash
0.035 ~ 0.263 mm
(0.0014 ~ 0.0104 in.)
Torque 2.2 kgf·m (15.9126 lbf·ft)
Torque 21 kgf·m (151.893 lbf·ft)
1
6
4
7
2
5
3
8
Bolt tightening sequence

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