TM 3-1040-276-10
3-7. REPLACING ENGINE HEAD ASSEMBLY.
a. Removal.
WARNING
Engine and engine head may become very hot during operation. Do not touch engine or
engine head with bare hand.
Cold air entering a hot engine chamber may cause fire flashback and injury to personnel.
Purge hot gases from engine before removing engine head from a hot generator. Immediately
install spare engine head.
NOTE:
INDEX NUMBER (2) DELETED.
NOTE
Make sure float bowl toggle valve is closed before disconnecting fuel tube.
a. Close float bowl toggle valve (1) by turning handle down.
b. Pull fuel tube (3) from metering jet (4).
c. Pump magneto air pump handle about 15 times to purge hot gases from engine.
d. Unscrew air hose (5) from flowjector (6) by hand.
e. Loosen engine head (7) by turning counterclockwise.
f. Withdraw engine head assembly (7) straight out from engine head seat (8) of engine tube.
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