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TM 10-4320-351-14
Figure 1-2. Pump-Engine Module
f.
A detachable flexible coupling (10) connects the engine output shaft to the fuel transfer pump input shaft.
g.
A 1.2 gallon (4.5 liter) fuel tank (11) provides sufficient fuel to operate the engine for at least one hour fifteen
minutes under full load.
h.
A 12 ft (3.65 m) ground cable assembly (12) is stowed on two spools mounted below the fuel tank.
i.
A three-position fuel selector valve (13) allows engine fuel to be supplied from the fuel tank or an external source.
j.
A canister type filter/water coalescer assembly (14) is mounted downstream of the fuel selector valve to remove
impurities and water from the fuel before it reaches the engine.
k.
A three-inch, valved unisex coupling (15) at the pump outlet provides connection to a three-inch discharge hose
and also serves as an emergency shutoff valve.
l.
An overtemperature sensor (16) located at the underside of the fuel transfer pump outlet will shut down the
engine if the pumpage temperature reaches 175°F (79°C).
m.
An engine fuel supply line (17) terminated with a quick disconnect fitting to facilitate removal and installation of the
engine module.
n.
An engine fuel return line (18) terminated with a quick disconnect fitting to facilitate removal and installation of the
engine module.
o.
Four solid rubber shock mounts (19) to support and isolate the engine and fuel transfer pump from the module
frame.
1-6
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