TM 3-4230-237-10
0012 00
OPERATION IN COLD WEATHER - Continued
Winterizing - Continued
WARNING
The engine and water heater exhausts can be lethal. Do not inhale these gases. A chemical-biological
mask does not protect against carbon monoxide. When the decontaminating apparatus is to be operated,
the exhaust gases must be vented away from the operator or outside of an enclosed area to prevent carbon
monoxide poisoning.
2. Open the two hinged cover panels on the pump unit.
3. Lubricate the engine with the grade of oil to be used in winter conditions according to Lubrication Instructions
(WP 0020 00). Fill the fuel tank with diesel fuel arctic grade (Page 0028 00-2, item 11) if temperatures are consistently
below 32F (0C).
CAUTION
Circulate only clear water through the water heater to avoid damage.
4. Preheat the water to prevent water from freezing before it can be used.
Equipment Failure
If the equipment fails (e.g., broken drive belts, engine trouble, etc.) during cold weather while liquid is being sprayed, drain
the apparatus.
CAUTION
When using the decontaminating apparatus at temperature below 32F (0C), any liquid left in the piping,
pump tank, or discharge may freeze and damage the equipment. If operations are interrupted, flush and
drain the decontaminating apparatus.
1. Open the gun assembly valves on the discharge hoses. Unreel the hoses from the hose reels to drain as much liquid as
possible out of the discharge hoses and slurry nozzles.
2. Open the pump DRAIN valve and open VALVE NO. 4 PRIME to drain as much liquid as possible out of the pump and
prime-detergent tank.
3. Disconnect the suction hose from the tank unit assembly and pump unit assembly. Open the tank drain valve and drain as
much liquid as possible from the tank. Drain the suction hose, blender hose, and water heater.
4. Notify unit maintenance personnel to perform the necessary repairs.
Spraying Water
CAUTION
Residual liquid in the piping, pump, and discharge hoses may freeze and damage the equipment if the
water's circulation is interrupted.
At temperatures below 32F (0C), spray water as follows:
1. Winterize the decontaminating apparatus (Page 0012 00-1).
0012 00-2
