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Figure 1-2.  Pump Assembly, Major Components
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TM-10-4320-311-14 Pumping Assembly Flammable Liquid Bulk Transfer 60 GPM Diesel-Engine Driven Model M2D68 Manual
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Figure 1-3.  Storage Chest 1 and Related Pump Accessories - TM-10-4320-311-14_18
TM 10-4320-311-14 (4)    Engine  air  intake  baffle.    This  baffle  combines  with  the  enclosures  to  direct  air  to  the  air  cleaner  and  the flywheel fan.  Additionally, during cold weather starting procedures, this baffle encloses a space that is warmed by the engine intake heater. (5)    Intervehicle  power  cable  electrical  plug  connector.    This  electrical  connector  Is  used  during  pump  assembly operation in cold weather.  It allows the pump assembly to the be connected to the 24 volt DC electrical systems of Army vehicles.    Pump  assembly  has  two  internal  electric  heaters  that  are  used  during  cold  weather  starting  of  the  pump assembly.    The  intake  air  heater  warms  air  coming  Into  the  enclosure  and  the  engine  intake  air.    The  engine  oil  Is warmed  by  an  immersion  heater  Installed  Into  the  side  of  the  engine  facing  the  sound  enclosure  rear  panel  assembly. Controls  and  Indicators  for  the  two  heaters  are  mounted  on  the  sound  enclosure  front  panel  assembly.    This  electrical connector meets the requirements of MS52131 and has an attached dust cover to prevent damage and contamination when connector Is not In use. (6)  Intake air heater.  This 400 watt finned heater runs on 24 volts DC supplied from the intervehicle power cable electrical plug connector.  The heater mounts on the pump frame. (7)   Immersion heater.  This 75 watt Immersion heater runs on 24 volts DC supplied from the intervehicle power cable electrical plug connector.  The engine has accommodations for an oil dipstick to be mounted on either side of the engine.  This heater threads into the unused oil dipstick location on the engine crankcase facing the sound enclosure rear panel assembly. (8)  Pump frame.  The pump frame provides mounting points for the sound enclosures, pump and motor assembly, air  intake  heater,  ground  rod  attachment,  etc  It  rigidly  supports  all  components  of  the  pump  assembly  and  provides  4 folding handles to allow 4 soldiers to move the pump assembly as required. (9)   Pump suction connection.  The connection to the suction side of the centrifugal pump is made through a 1.5 inch nominal ID female quick disconnect meeting the requirements of MS27024-9, Class 1.  Installed in this fitting is an internal gasket meeting the requirements of MS27030-5.  When pump assembly is not in use, a male quick disconnect dust   plug,   meeting   the   requirements   of   MS27029-9,   Class   1,   is   installed   to   protect   the   centrifugal   pump   from contamination (10)  Pump discharge connection The connection to the discharge side of the centrifugal pump is made through a 1.5  inch  nominal  ID  male  quick  disconnect.    When  pump  assembly  is  not  in  use,  a  female  quick  disconnect  dust  cap, meeting the requirements of MS27028-9, Class 1, is installed to protect the centrifugal pump from contamination.  During pumping  unit  set  up,  the  pump  discharge  connection  is  also  used  to  prime  the  pump  with  the  liquid  to  be  pumped. Installed in this female quick disconnect is an internal gasket meeting the requirements of MS27030-5. (11)  Diesel engine.  Four-stroke, vertical cylinder, air-cooled diesel.  Provides power necessary to drive the pump. Diesel engine is attached to the engine mounting plate.  The engine mounting plate Is attached to the pump frame using rubberized shock mounts to reduce noise and vibration during pump assembly operation.  A grounding strap electrically connects the engine (and the attached centrifugal pump) to the frame.  During pump assembly operation, a ground rod is attached to the frame to prevent static electricity buildup. (12)  Centrifugal pump.    Continuous  duty,  self-priming,  50  GPM  at  100  feet  of  head.    This  pump  incorporates  a check valve on its suction side.  The centrifugal pump is mounted to the diesel engine and is keyed to the engine's output shaft. (13)   Spark arrestor.  This baffle assembly suppresses engine exhaust sparks.  The spark arrestor is mounted on the engine. c.  Storage Chest 1 and Related Pump Accessories (See Figure 1-3). (1) Storage Chest 1 Bottom (one each) (2) Storage Chest 1 Top (one each) (3) Storage Chest 1 Information Plate (one each) (4) Discharge Hose Assembly (two each) 1-8

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