TEST SPRAYING.

2-5. USED EQUIPMENT.

CAUTION

Do not allow preservative oil to enter the gasoline engine

a. Service a used M12A1 decontaminating apparatus the same way as a

carburetor.

new one.

b. Examine used equipment for signs of wear, damage, or missing parts.

(1) Pump and tank units and personnel shower assembly. Remove all

Correct deficiencies as authorized, or notify intermediate direct support mainte-

preservative compounds and tape from the equipment. If necessary, use dry

nance.

cleaning solvent (item 14, app D) to remove remaining material. Some pump

units may have preservative oil in the sediment bowl. Before filling the fuel tank

2-6. TEST SPRAYING.

with gasoline, clean the sediment bowl (TM 3-4230-209-10). Clean personnel

a. Make connections necessary for showering using water drawn from the

shower assembly before using it.

tank (TM 3-4230-209-10). Connect shower to one discharge hose. Start the

(2) Water heater. Remove all preservative compounds and preserva-

pump unit to circulate water through the pump unit, water heater, and tank unit.

tive tape from the equipment. Remove the quick-release side panels to remove

Start the heater and operate for at least 15 minutes. Discharge half of the

barrier materiel from the combustion air intake, combustion air blower direct

water through the shower. Stop the decontaminating apparatus and discon-

current motor, fuel and ignition drive motor, combustion air pressure switch

nect the personnel shower assembly. Reconnect the hose for spraying water

(S3), and solenoid valve (L1). Where necessary, use suitable solvent to remove

from the tank (TM 3-4230-209-10). Start the pump unit and clear remaining

preservative material left on the water heater. Do not remove aluminized pres-

water through the discharge hose. During discharge operations:

sure sensitive tape from the inside of the water heater.

(1) Check that gun assembly does not leak when it is turned off

e. Preparation for Operation.

under pressure.

(1) Adjust the drive belt tension (TM 3-4230-209-10).

(2) Inspect all pipes, connections, and hoses for signs of fuel and

(2) Check that intermediate direct maintenance has filled battery with

water leaks.

electrolyte and water and has installed protective caps on battery.

(3) Make sure the pump unit discharge pressure gage indicates above

90 psi during pumping operations.

CAUTION

Do not allow preservative oil to enter the gasoline engine

NOTE

carburetor.

For new equipment, water flowing through the pump unit and

water heater will clean preservative lubricant from inside the

(3) Lubricate the decontaminating apparatus (LO 3-4230-209-10) and

pipes and valves.

the engine (LO 5-2805-259-12). Check that the engine crankcase is filled to the

full mark on the oil gage rod. Operate valves to check smoothness of operation.

b. Correct deficiencies noted as authorized. After test spraying, flush,

(4) Load 200 gallons of water into the tank unit (TM 3-4230-209-10).

drain, and clean the decontaminating apparatus (TM 3-4230-209-10).

Inspect for leaks at all pipe connections and valves.

Prepare the decontaminating apparatus for storage for over 24 hours

(5) Fuel and test the decontaminating apparatus (TM 3-4230-209-10).

(TM 3-4230-209-10).

Inspect for leaks at all pipe connections and valves.

2-9

TM 3-4230-209-20&P