SPECIAL PURPOSE BODIES

TM 9-2320-361-24-1

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THEORY OF OPERATION (Contd)

SPECIAL PURPOSE BODIES

M49A2C Fuel Tank System Operation: Fuel is dispensed under pressure by operating a delivery

pump driven off the transfer case PTO. As with all fuel dispensing equipment, static discharge from

equipment must be grounded to a ground rod.

A DISCHARGE VALVE CONTROL LEVERS Two manual control levers that allow fuel to be

discharged from either front or rear compartment of tank body.

METER Indicates quantity of fuel dispensed.

FUEL FILTER/WATER SEPARATOR Separates water from fuel and removes contaminates from

fuel before distribution.

PRESSURE GAUGE Checks condition of filter elements by indicating difference in pressure

between inlet and outlet side of filter.

SUMP Collects water from separator and drains through the manual drain valve.

GATE VALVES Provide a means of turning on or shutting off flow of fuel.

MANIFOLD DRAIN Accepts fuel from discharge pipes and transfers it to pump.

PUMP Draws fuel from tank and discharges it under pressure.

EMERGENCY CONTROL LEVER RELEASE When actuated, it allows discharge valve control

levers to return to OFF position which stops flow of fuel.

STATIC REAR AND GROUNDING WIRES Transmits any static electricity produced by fuel

flowing through the piping harmlessly to the ground. The grounding wires are pulled out from static

reel and attached to ground and vehicle to be fueled.

MANUAL DRAIN VALVE Provides a means to periodically drain water from sump.

DUMP VALVE When opened, water collected by fuel filter/water separator is automatically

allowed to drain out.

FUEL DISCHARGE PIPE Receives fuel from tank body compartments and directs it to fuel

filter/water separator.

DISCHARGE VALVE Operates by cables and is used to drain front and rear tank compartments.

FRONT AND REAR DISCHARGE VALVE CABLES Connect discharge valve control levers to the

two discharge valves.

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