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OPERATION IN UNUSUAL WEATHER CONDITIONS - CONT
OPERATION IN UNUSUAL WEATHER CONDITIONS - CONT - TM-3-4230-218-12P_69

TM-3-4230-218-12P Decontaminating Apparatus: Power-Driven Portable Type A/E32U-8 NSN: 4230-01-163-8660 Manual
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TM 3-4230-218-12&P b. Operation in Freezing  Weather.  (Continued) (20) If using the SHOWER mode, adjust the  BURNER FUEL VALVE to maintain a temperature of 38 to 42°C (100 to 107%) so that the burner will  not  automatically  shut  off. (21) Check all hoses and connections for leaks. c. Shutdown in Freezing Weather. If ambient temperature falls below 32% while and you  cannot  terminate  operations, take the performing a mission following  precautions: Don cold wet weather clothing IAW page 2-40. If clothing (including hand gear) gets wet in cold environments, the  operator  should  immediately  change  from  wet  clothing  to  dry protective  clothing.   If this is not done, cold injury will occur. Avoid  contact  with  water  as  much  as  possible;  stand  upwind,  if  pos- sible,  of  water  spray;  use  caution  when  connecting/disconnecting fittings;  use  caution  when  adjusting  control  panel. The equipment should be placed on a level surface with prevision for water runoff. The operating area for the pump unit must re- main as dry as possible. In  cold  weather,  three  operators  are  needed  per  system  to  prevent system freezeups and operator injury. The third operator will assist  the  other  two  operators  to  ensure  the  necessary  operating steps are conducted in a timely manner. Extreme  caution  should  be  used  when  wearing  loose  clothing  to  pre- vent  contact  with  moving  parts  (belts,  pulleys,  etc). Shutdown  under  freezing  conditions  will   required the operator and assistants  to  perform  rapidly  to  prevent  equipment  freeze-up. Before performing any of the following procedures, prepare at least 25 gal. of antifreeze solution by mixing 15 gal. of antifreeze with 10 gal. of water. (1) Turn  THERMOSTAT  SELECTOR  switch  to  OFF  position. (2) Turn  BURNER FUEL VALVE fully clockwise. (3) Allow outlet water temperature to cool to 40°C. 2-42 Change  1







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