Doosan G643, Руководство по обслуживанию

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G643 (E) Service Manual Chapter 3. Engine Mechanical System 36
Flywheel Housing
(1) Flywheel housing bolts should be torqued to
...................................40 to 45 N·m (30 to 35 lb·ft)
Flywheel Face Runout
Face Runout Check
Maximum permissible face runout of the flywheel
housing......................................0.20 mm (.008 in)
(See Flywheel Housing Checks in Testing And
Adjusting).
Flywheel
(1) Torque for the bolts that hold the flyweel to the
crankshaft100 N·m (74 lb·ft)
(2) Use a torch. Heat the ring around the entire
circumference, then drive the gear off the
flywheel using care not to damage the flywheel
NOTICE
Never heat the ring to a red hot condition this will
change the metal structure
Uniformly heat the ring gear to a temperature that
will expand the gear to permit installation.
Temperature must not exceed 204
℃
(400
℉
).
As soon as the ring gear has been heated install it
on the flywheel.