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.
a. Make connections necessary for showering using water drawn from the
shower assembly before using it.
(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
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
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.
(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
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,
Inspect for leaks at all pipe connections and valves.
Prepare the decontaminating apparatus for storage for over 24 hours
Inspect for leaks at all pipe connections and valves.
2-9
TM 3-4230-209-20&P