Doosan GV158TIC, Operation & Maintenance Manual

Page: 84 / 162

Disassembly and Reassembly of Major Components - 78 -
●
After fitting the flywheel housing holes to
the guide pins and engage temporarily 2
~ 3 threads of fixing bolts, and according
to the tightening order (zigzag method)
tighten them in the specified torque.
3.3.8. Flywheel
●
Installation of flywheel ring gear with a
gas burner, heat the ring gear evenly until
heat expansion takes place, then install it
using a hammer.
●
Do not allow the temperature of the ring
gear to exceed 200°C (390°F).
●
By means of mandrel, assemble pilot
bearing to the flywheel.
●
By means of mandrel, press in the wear
ring at the backward face.
●
Install two guide bolts for installing the fly-
wheel to the crankshaft.
●
After letting the guide pin insert through
the flywheel holes and engaging the fix-
ing bolts by 2 ~ 3 threads temporarily,
tighten them to the specified torque
according to lightening order. (Zigzag
order).
Torque
M12 x 1.5 10 kg.m
M10 7.5 kg.m
EA0M4029
EA6M2004
Wear ring Ring gear
EA6M2005
4
9 5
6 10
7
8
2 1
3
Lubricate with engine oil
Torque 26
kg.m