TM 3-4230-237-10
OPERATOR
M12A1 DIESEL ENGINE DRIVEN DECONTAMINATION APPARATUS
NSN 4230-01-502-7224
OPERATION UNDER USUAL CONDITIONS:
PREPARATION FOR MOVEMENT
INITIAL SETUP:
Materials/Parts
Grease, Automotive and Artillery (Page 0028 00-2, item 15)
Lubricating Oil, General Purpose (Page 0028 00-3, item 18)
Lubricating Oil, General Purpose (Page 0028 00-3, item 19)
Rag, Wiping (Page 0028 00-3, item 21)
PREPARATION FOR MOVEMENT
Refer to Table 1.
Table 1. Cleaning and Storage Procedures After a Spraying Mission.
Item
No.
Expected Idle Time
Procedures
Start the pump unit. Flush the interior of the tank, agitator pipe, blender pipe, and prime-
Less than 24 hours
1
detergent tank with water. Unreel the discharge hoses from both hose reels and open the
gun assembly valves. Stop the pump unit. Open VALVES NO. 1, 2, 3, and 4, and the
pump DRAIN valve. Drain the hoses. Close the orifice-and-deflector assemblies on
both slurry nozzles. Reel the discharge hoses neatly on the hose reels. Stow the gun
assemblies in their brackets. When the pump is drained, close VALVES NO. 1, 2, 3,
and 4. Leave pump DRAIN valve open. Install the hopper-blender cover. Disconnect
and drain the suction hose. Install the blender hose inside the suction hose. Stow the
suction hose and the blender hose on top of the tank unit. Close the tank drain valve
after all water has drained from the tank unit. Install the foot valve assembly in the
bracket on the tank unit skid. Drain the boiler of the water heater. Drain the water hose;
stow it in the storage compartment. Install the cover panels and dust cover over the
pump unit.
Drain the slurry from the tank unit. Clean the M12A1 decontaminating apparatus (item
24 to 48 hours
2
No. 1 above). Lubricate the pump by pouring 3 pints of special-preservative general
purpose lubricating oil (PL-M or PL-S) (Page 0028 00-3, item 18 or 19) mixed with 3
gallons of water into the prime-detergent tank. Open VALVE NO. 4 and allow the oil-
water mixture to run into the pump. Start the pump unit and operate it for 30 seconds.
Stop the pump unit. Open the pump DRAIN valve and allow the oil-water mixture to
run out to suitable container and dispose according to local SOP. Check that prime-
detergent tank is empty. Close valve NO. 4 and leave pump drain valve open.
0011 00-1
