Doosan V158TI Operation & Maintenance Manual page 150

2) Center housing rotating assembly
3) Watercooled bearing housing (4)
Optionally this can have additional water
feed and drain plug fittings.
4) New compressor wheel lock nut (61)
Holset have introduced a new compressor
wheel lock nut which is to be all new WH1C/
E turbochargers. If you turbo is fitted with
the new nut, it indicated that this turbo-
charger may have been built using the core
balance process at point of manufacture
rather than the traditional rotor balance pro-
cess The new nut will also require a differ-
ent torque process when rebuilding the
turbo after service.
Caution :
Always use specified torque. Failure
to do so may result in turbocharger/
engine failure.
Torque value
New lock nut
Old lock nut
Main parts maintenance
Nm Ib Ins
17 150
16 160
- 144 -
2
Old
EA7M4005
EA7M4063
New
EDV2218095