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ATTACHING LOAD CHAIN
CHECKING LIMIT SWITCH OPERATION

TM-55-1930-209-14P-13 Water Purification Barges (1930-01-234-2165) Equipment Montoring System Manual
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POWER SUPPLY AND ELECTRICAL CONNECTIONS ALL HOISTS The   hoist   should   be   connected   to   a   branch circuit   which   complies   with   the   requirements   of   the National Electrical Code and applicable local codes. It is recommended, especially for a single phase hoist   with   a   one   horsepower   motor,   that   a   line   of adequate capacity be run directly from the power supply to the hoist to prevent having problems with low voltage and circuit overloads. For   grounding   of   the   hoist,   the   power   cord includes   a   grounding   conductor   (green   wire).      On   a standard  single  phase  unit  this  cord  is  equipped  with  a three-prong  plug.    Be  sure  that  the  receptacle  opening which  receives  the  longest  prong  is  properly  grounded. Furthermore, the suspension system on which the hoist is mounted should also be permanently grounded. Before connecting the hoist to the power supply, check that the power to be used agrees with that shown on  hoist  identification  plate.    In  addition,  for  a  three phase,  dual  voltage  unit,  check  the  voltage  shown  on the tag attached to power cord. FIGURE 3 VOLTAGE CONVERSION TERMINAL BOARD The  nominal  hoist  voltage  rating  corresponding  to  the voltage   range   given   on   hoist   identification   plate   is: SINGLE SPEED UNITS RANGE NOMINAL VOLTS 110-120 115 208-240 230 440-480 460 TWO SPEED UNITS RANGE NOMINAL VOLTS 208-230 230 440-460 460 THREE PHASE HOIST Changing  the  voltage  connections  on  a  single speed,  three  phase  dual  voltage  unit,  is  easily  done  at the conversion terminal board shown in Figure 3 located in the hoist as shown in Figure 4. FIGURE 4 Voltage conversion terminal board is located under back frame  cover  (1)  for  Models  A  thru  H  and  under  motor housing cover (2) for Models J thru RR. Limit switches and electric brake are located under back frame cover for all hoists. NOTE:    The  column  of  terminals  on  the  left  it  marked 230   volts   and   the   right-hand   column   is   marked   460 volts. To  change  the  hoist  voltage  connections,  simply  shift eight    wires    to    the    column    of    terminals    marked. 4







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