Vanguard BIG BLOCK M540000, Repair Manual, Page: 82 / 168

BOTTOM END DISASSEMBLY
Flywheel Fan and Flywheel
1. See SECTION 4 - REMOVE EXTERNAL ASSEMBLIES
for information on disassembly steps necessary prior to
flywheel fan and flywheel removal.
2. Remove four blower housing mounting posts ( A , Figure
95) from crankcase.
95
3. Remove the 3 studs ( A , Figure 96) to release fan ring ( B )
from flywheel ( C ).
96
4. Remove the 4 four fasteners ( D ) to release fan ( E ) from
flywheel.
5. Obtain the Strap Wrench (see SECTION 3 -
TROUBLESHOOTING - Special Tool List ), correct size
socket for flywheel nut, and breaker bar. See Figure 97
and proceed as follows:
NOTE: DO NOT use an impact wrench to loosen the
flywheel nut. Thread damage may occur.
97
A. Fit loop of strap around flywheel and tighten until
snug.
B. Pinch strap between heel of wrench and flywheel as
shown.
C. Holding tool down by the handle, loosen flywheel nut
using breaker bar and socket.
D. Remove strap wrench from flywheel.
6. Remove flywheel nut and flat washer from crankshaft.
83