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 TM 3-1040-279-12&P
4-27 PULSE JET ENGINE ASSEMBLY (CONT).
c. Engine Head Assembly.
WARNING
Engine and engine head may become very hot during operation. Do not
touch engine or engine head with bare hand. Allow sufficient time for cooling
after operation.
REMOVAL
Loosen but do not remove clamp nut (1) on clamp (2).
1.
2.
Open clamp (2) by lifting catch (3) and remove clamp (2).
3.
Remove nozzle assembly (4) from engine head (5).
Rotate engine head (5) counterclockwise and remove.
4.
Replace gasket (6) as required.
5.
INSTALLATION
CAUTION
Do not overtighten engine head. Over-tightening can cause severe damage to
head gasket, engine head and combustion chamber flanges.
1.
Install engine head (5) with gasket (6) in pulse jet engine (7).
2.
Rotate engine head clockwise until secure.
3.
Position nozzle assembly (4) on engine head (5).
4.
Install clamp (2) on nozzle assembly (4) and engine head (5).
5.
Close catch (3) and secure with clamp nut (1).
Change 4
4-108
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