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Page Title: Priming Fire Pump and Filling Tanks
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2-13.  Priming Fire Pump and Filling Tanks a. Priming  Fire  Pump.    Refer  to  figure  2-2  and prime the fire pump. b. Filling the 400-Gallon Water Tank from Suction Lift.    Refer  to  figure  2-3  and  fill  the  400-gallon  water tank. c. Filling  the  400-Gallon  Water  Tank  Through  the Water  Tank  Fill.    Refer  to  figure  2-4  and  fill  the  water tank through water tank fill. d. Filling    the    400-Gallon    Water    Tank    From    a Hydrant.  Refer to figure 2-5 and fill the 400-gallon water tank from a hydrant. e. Filling 40-Gallon Foam Tank With Concentrate. Refer to figure 2-6, 2-7 and fill the 40-gallon foam tank with concentrate. 2-14.  Pumping Details a. Pumping water from suction lift.  Refer to figure 2-8 and pump water from suction lift. b. Pumping  water  from  the  400-gallon  tank  (para 2-13). (1) Water may be pumped either independently   to   one,   or   to   all   of   the   outlets   after removing the discharge caps and connecting hoses. (2) Prime  the  fire  pump  from  the  water  tank (para 2-13). (3) Follow   steps   4   through   7,   figure   2-8 outlined in pumping from suction lift to pump water from the water tank. c. Pumping water from hydrant.  Refer to figure 2- 9 and pump water from hydrant. Note If  possible,  flush  dirt  from  hydrant before attaching hose. d. Pumping  water  from  the  h ose  reels.    Refer  to figure 2-10 and pump water from hose reels. e. Pumping foam.  Refer to figure 2-11 and pump foam from foam tank. 2-15.  Draining and Flushing Details a. Draining fire pump and lines.  Refer to figure 2-2 and drain the fire pump, valves and lines. b. Draining the water tank.  Refer to figure 2-2 and drain the 400-gallon water tank. c. Draining    and    flushing    the    40-gallon    foam concentrate  tank.    Refer  to  figure  2-12  and  drain  and flush the 40-gallon foam concentrate tank. d. Flushing discharge line system.  Refer to figure 2-12 and flush the discharge line system. 2-16.  Final Test Before Housing Fire Truck After Returning From Fire a. Perform daily preventative maintenance services (para 3--6). b. Close  all  controls  and  valves  and  have  suction caps tight. c. Pull primer valve lever and run until combination gage shows about 15 inches of vacuum in 15 seconds. d. Close  primer  valve  lever  and  watch  gage.  If vacuum falls rapidly it indicates air leakage. e. Test  suction  hose  by  attaching  suction  hose  to pump  and  placing  suction  tube  cap  on  end  of  suction hose in place of strainer and i test for leaks. f. Repair     leaks     or     report     to     direct     support maintenance. 2-17.  Operation Under Usual Conditions Start   and   operate   the   fire   truck   and   equipment   as described in section IV. 2-18.  Operation in Extreme Cold (Below 0°  F.) a. General. Operation in extreme cold temperatures   creates   special   problems   which   require careful  inspection  and  maintenance.    Personnel  should be especially careful not to subject the fire truck to any sudden  shocks,  loads  or  rough  handling  which  might strain the equipment and crack or break metal parts.  Do not allow water to spray over the body of the truck or the compartment   doors'   will   freeze   shut.      All   operations must  be  started  carefully  at  slow  speeds.    AH  controls, linkage,   frame   mountings,   and   drive   parts   must   be carefully   inspected   for   damage.      Refer   to   TM   9- 2320209-10  for  additional  information  on  operating  the fire truck in extremely cold temperatures. b. Lubrication.  Be sure to use the correct grade of lubricant  for  all  points  of  application.    Refer  to  LO  9- 2320-235-12   and   LO   5-4210-213-12   for   special   cold weather lubrication instructions. c. Hose  Nozzle  and  Hoses. If  the  hose  nozzles are closed in extremely cold weather, water in the hoses and    nozzles    freezes    rapidly.        Immediately    after pumping,  detach  the  nozzles  and  drain  the  hose.    If possible,    dry    the    hose    before    stowing    to    prevent freezing. d. Pump Lines.  Drain water from pump and 2-6

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