TM 5-4220-211-12&P
15A430/18A430 DISASSEMBLY/ASSEMBLY
u. Oil Pump. Remove the oil pump by removing the two oil pump screws with a 5mm allen head wrench
v.
Flywheel. Using a 36amm socket on the special flywheel nut tool, loosen the flywheel nut. (Figure A-27.)
(1) Leave the nut on the shaft. Install the flywheel puller and screw it down until the flywheel breaks loose
from the crankshaft taper. Remove the flywheel nut and flywheel. (Figure A-28.)
w. Main Bearing Support. Remove the four main bearing support nuts with a 8mm socket. (Note that these
nuts have a thread pitch unlike other 8mm nuts used in the engine.) Next, install two remover screws into the support and
screw them in until the support breaks loose from the crankcase. (Figure A-29.)
(1) Pull off the support, belleville washers, oil seal, o-ring retailer and o-ring.
Figure A-26. Oil Pump
Figure A-27. Flywheel
Figure A-29. Main Bearing Support
Figure A-28. Removal of Flywheel Nut and Flywheel
A-12
