TM 5-4220-211-12&P
15A430/18A430 DISASSEMBLY/ASSEMBLY
b
Move the timing mark on the cam gear exactly 3 teeth to the left. (Figure A-50).
c
Install the cover. Align the cam gear and gear cover timing marks. Now check the flywheel and
crankcase timing marks. The timing is acceptable if they are within 1/4" of each other.
When installing the gear cover screws, note that the two top and bottom left screws are longer
than the other three. Be certain to use a 6mm pilot allen head socket when tightening the gear
cover screws. (Figure A-51.)
k. Oil Screen Assembly. Reinstall the oil screen assembly using an adjustable mm wrench. Install the oil
drain plug using new copper washer. (Figure A-52).
I.
Cylinder Shield, Air Guides. Install both halves of the cylinder shield. Do not, at this time, install the single
bolt which connects the shield halves. Install the two air guide plates on the top of the crankcase. (Figure A-53.)
Figure A-50. Moving the Timing Mark
Figure A-51. Installing Cover
Figure A-52. Oil Screen Assembly
Figure A-53. Cylinder Shield, Air Guides
A-19
