IGNITION SYSTEM
PB-251
20
3-10 Checking flywheel and key (continued)
4. Remove spark plug, and then insert piston stopper
897537-30130 (A) by hand.
5. Remove fan hub counterclockwise with socket
wrench, and then remove flywheel. If flywheel cannot
be lifted off, follow steps 6 to 8.
6. To prevent crankshaft damage, use flanged nut
and bolt as follows. Screw in flanged nut (B)
(433019-12330: nut size M8) 3 turns on crankshaft.
7. Screw bolt (C) (900100-08008: bolt size M8x8) in
flanged nut until it bottoms.
8. Hold flywheel and tap the bolt head axially to
remove flywheel.
NOTE: Do not pry flywheel from crankshaft. Damage
to engine will result.
9. Check flywheel key (D) for damage. Replace with
a new one if deformed.
10. Install flywheel on crancshaft so that flywheel
key matches keyway (E) on crankshaft.
11. Apply thread locking sealant (Loctite #242,
ThreeBond 1324 or equivarent) to crankshaft
threads and tighten fan hub.
(A)
(B)
(C)
(D)
(E)
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