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Shutting Down the Engine - TM-5-4210-233-14P-1_76
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TM-5-4210-233-14P-1 Twin Agent 4x4 Firefighting Truck Model No. CM-KFT-B Manual
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Pumping from Draft.
TM 5-4210-233-14&P-1 2-13.  FIREFIGHTING OPERATIONS-Continued (5)  Depress brake pedal and move truck transmission selector lever into D (drive). CAUTION Do   not   put   truck   transmission   selector   lever   in   R   (reverse) position. Damage to water pump will result. NOTE If the green OK TO PUMP light does not illuminate, or a grinding noise  occurs,  move  the  transmission  selector  lever  back  to  N (neutral)   position,   pause   for   several   seconds   and   move   the selector lever to D (drive) position. NOTE When   pump   is   engaged,   truck   speedometer   should   indicate approximately 18 MPH. (6)   Turn  RELIEF  VALVE  lever  to  ON  position  and  rotate  INCREASE/DECREASE  handle  to  obtain desired pump output pressure. (7)   Open  discharge  valves  slowly  and  accelerate  engine  with  THROTTLE  control  on  pump  panel  to obtain desired discharge pressure and capacity. CAUTION Monitor engine coolant temperature. If the temperature exceeds 210  deg.  F  (99  deg.  C),  or  the  alarm  sounds,  open  ENGINE COOLER control valve gradually until temperature stabilizes at 200 deg. F (93 deg. C).  Failure to heed this caution may cause engine damage. Do   not   attempt   to   pump   more   water   than   is   available   from hydrant   or   relaying   pumper.      Always   make   sure   compound- gauge   reading   stays   above   zero.      Some   fire   departments operate at a minimum suction pressure of 1O psi (69 kPa) when pumping  from  a  hydrant  or  in  relay  to  prevent  a  "soft"  suction hose from collapsing. c. Priming the Pump. (1)   Start the engine (see para 2-12). (2)   Engage the water pump transmission (see para b. above). CAUTION Do  not  run  the  primer  motor  for  longer  than  30  seconds.  Stop priming operation and allow priming motor to cool for 1 minute before  operating  primer  again.  Damage  to  primer  motor  may result. 2-49

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