TM-9-2320-361-10

2-1/2-TON, 6x6, M44A2 SERIES TRUCKS (MULTIFUEL)

OPERATOR'S MANUAL

DECEMBER 1988

TM-9-2320-361-10 - Page 179 of 392

TM9-2320-361-10

2-27. OPERATION OF WATER TANK TRUCKS

a. General.

M50A2 water tank truck has a 400 gallon front tank and a 600

gallon rear tank. M50A3 has two 500 gallon tanks.

• Sanitary precautions must be observed at all times, when

handling water and equipment, to keep water clean.

• At freezing temperatures, delivery pump must be run 60

seconds, with delivery line gate valves open, to drain

manifold pipes and delivery pump dry, Water in system

could freeze and cause damage to components.

b. Gravity Filling the Tank Sections.

(1)

Park truck near filling device or filling hose.

NOTE

Make sure parking brake lever is applied.

(2)

Remove padlock (1), lift cover clamp (3), and open tiller cover (2).

(3)

Turn pump delivery line discharge valve knob (5) and gravity delivery line

suction valve knob (6) right, to closed position.

(4)

Push compartment valve levers (4) forward, to closed position.

NOTE

M50A2 has separate water level gages for front and rear

tanks. M50A3 has one gage for both tanks.

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