Briggs & Stratton Vanguard 10V300 Repair Manual page 78

99
39. See Figure 100. Install top hex flange screw (A) to
fasten flywheel guard (B) to crankcase. Tighten screw
to 80-110 lb-in (9-12.4 N-m).
NOTE: A second hex flange screw to engine base
7
also captures blower housing, so do not install at this
time.
40. Verify that flywheel and crankshaft tapers are free
of grease, oil, dust, and dirt. Verify that keyways are
clean and completely free of dirt and grit.
CAUTION
The edges of the crankshaft keyway are sharp.
Wear appropriate safety gloves and exercise care to
avoid hand injury.
41. Install key (C) into keyway on crankshaft taper.
42. Install flywheel (D) engaging keyway with installed
key on crankshaft taper. Verify that flywheel fits tightly
without wobbling.
100
72
43. Install flywheel fan (E) onto flywheel, so that the
deeper indentation at the back fits over the flywheel
magnet.
NOTE: Rotate flywheel fan slightly to ensure that
two large pegs fully engage threaded flywheel puller
holes, while the four small pegs engage blind holes.
See Figure 101.
101
102
44. Install starter cup (F).
45. Install flywheel nut (G). Hand tighten flywheel nut, so
that flywheel, flywheel fan, and starter cup remain
fully engaged.
46. See Figure 102. Obtain Strap Wrench (Part No.
19433), torque wrench, and 21 mm socket. Proceed
as follows:
A. Fit loop of strap around flywheel and tighten until
snug.
B. Pinch strap between heel of wrench and flywheel.
C. Holding tool down by the handle, tighten flywheel
nut to 105-115 lb-ft (142.4-155.9 N-m).
D. Remove strap wrench from flywheel.
47. See TOP END ASSEMBLY in this section.