SDLG WP6, Service Manual

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Service Manual for WP6 Diesel Engine
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344 Disassembly, Inspection, Maintenance and Assembly of Flywheel and
Ring Gear
3441 Exploded View of Flywheel and Ring Gear
Crankshaft
Flywheel
Flywheel bolt
Flywheel ring gear
Locating pin
Fig. 3-31 Exploded view of flywheel and ring gear
3442 Steps to Disassemble Flywheel and Ring Gear
Disassembling steps are contrary to assembling ones.
3443 Inspection and Maintenance of Flywheel and Ring Gear
(1) Check whether there is failure like thread damage on flywheel bolts.
(2) Check flywheel surface for conquassation.
(3) Check whether flywheel ring gear is damaged.
3444 Steps to Assemble Flywheel and Ring Gear
(1) Fix the flywheel ring gear on flywheel with bolts;
(2) Knock the pin into crankshaft rear end fully.
(3) After inserting flywheel guide rod into crankshaft threaded hole, install flywheel and
pre-tighten the bolts diagonally. Apply lubricating oil on bolt thread and bearing surface.
Flywheel bolts:
Bolt specification M16-12.9 (×6); Tightening torque: 285~295Nm; Test value: 285~340Nm.