Warning: If NBC exposure is suspected, all air filter media should be handled by personnel
wearing protective equipment. Consult your unit NBC Officer or NBC NCO for appropriate
handling or disposal instructions.
(5) Disconnect the air cleaner hose from air cleaner ( 21, fig. 20).
(6) Remove the magneto stop switch (2, fig. 11) by removing the nut.
(7) Disconnect the governor control rod at the governor by removing the cotter pin (24, fig.
at the oil filter.
(9) Remove the six screws (7, fig. 22) and lockwashers (8) holding the flywheel screen (6)
to the flywheel shroud.
(10) Drive out the starting crank pin (10) from the crankshaft (9).
(11) Remove the flywheel nut (4) and washer (5).
(12) Take a firm hold on the flywheel fins, pull outward, an at the same time strike the end
d
of the crankshaft with a babbit hammer.
Caution: Do not strike the end of the crankshaft with a hard hammer, to do so will ruin the
crankshaft and bearings.
(13) Remove the screws (6, fig. 23) and lockwashers (5) holding the cylinder head covers (9)
and remove the cylinder head screws.
screws.
1 Flywheel
4 Hex nut
7 Machine screw
9 Crank shaft
2 Ring gear
5 Key washer
8 Lockwasher
10 Crank pin
3 Woodruff key
6 Screen
Figure 22. Flywheel.
Change 7
38
