TM 5-4220-211-12&P
15A430/18A430 DISASSEMBLY/ASSEMBLY
x. Crankshaft. Pull out the crankshaft from the crankcase, being careful not to drag the crankshaft gear on the
crankcase main bearing. (Figure A-30.)
Figure A-30. Crankshaft
A-4.
ENGINE REASSEMBLY
a. Crankshaft. Wipe a little oil on the surface of the governor side main bearing. Carefully, slide the crankshaft
into the housing. (Figure A-31.)
b. Main Bearing Carrier. Replace the main bearing carrier being certain to use a new gasket. Tap lightly with
a soft faced hammer to seat the carrier. Using a 8mm wrench, torque down all four support capscrews. Replace the main
bearing washer and o-ring, followed by the o-ring retainer. Face the beveled surface of the retainer towards the o-ring.
Figure A-31. Crankshaft
Figure A-32. Main Bearing Carrier
A-13