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POWER SUPPLY AND ELECTRICAL CONNECTIONS
FIGURE 5. SHORTENING CONTROL CORD

TM-55-1930-209-14P-13 Water Purification Barges (1930-01-234-2165) Equipment Montoring System Manual
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for     the     desired     voltage.          The     insulation     color combination  of  each  wire  must  match  the  two  colors adjacent to the terminal lug to which wire is attached. All  eight  wires  must  be  in  the  same  column  and  all terminals must be tight.  Be sure to make a notation of the new hoist voltage on the tag attached to Dower cord. Since   the   motor   in   a   three   phase   hoist   can rotate  in  either  direction,  depending  on  the  manner  in which it is connected to the power supply, the direction of hook movement must be checked during the original installation   and   each   time   hoist   is   moved   to   a   new location.  Serious damage can result if the hook is run to the upper or lower limit of travel with the hook operating in  a  direction  opposite  to  that  indicated  by  the  control station.  Therefore, proceed as follows: 1. Make    temporary    connections    at    the    power supply. 2. Operate    *    (UP)    control    in    control    station momentarily.    If  hook  raises,  connections  are correct and can be made permanent. 3. If    hook    lowers,    it    is    necessary    to    change direction by interchanging the Red lead and the Black lead of hoist power cord at power supply. Under   no   circumstances   should   the   internal wiring  of  control  station  or  hoist  be  changed  to reverse hook direction.  The wiring is inspected and tested before leaving the factory. CAUTION: As with any power hoist, the hook block must not be allowed to run into the bottom of the hoist nor allow the chain to become taut between loose end screw and frame or else serious damage will result, which could drop the load.  Do not force the Lodestar Protector to compensate for improperly adjusted limit switches or reverse volt- age phasing. CHECKING FOR TWIST IN LOAD CHAIN - Models E, H, E-2, H-2, R, RR, R-2 and RR-2. The best way to check for this condition is to run the lower hook, without a load, up to within about 2 feet of hoist.  If the dead end of the chain has been properly installed, a twist can occur only if the lower hook block has   been   capsized   between   the   strands   of   chain. Reverse capsize to remove twist. CHECKING FOR ADEQUATE VOLTAGE AT HOIST Take voltage reading at end of the standard 15 foot power cord with the hoist operating in the é(UP) direction with full load. The minimum running voltage for proper hoist operation is given below: MINIMUM MINIMUM NOMINAL RUNNING STARTING CURRENT VOLTAGE VOLTAGE 115-1-60 103.5 98 230-1-60 207 196 230-3-60 187 460-3-60 396 CHECKING LIMIT SWITCH OPERATION Operate hoist over the entire length of its rated lift,  checking  upper  and  lower  limit  switches  for  correct operation as follows: 1. Press  *  (UP)  control  and  raise  the  lower  hook until top of hook block is about one-foot below the hoist. 2. Cautiously  continue  raising  the  hook  until  the upper limit switch stops the upward motion. The  upper  limit  switch  is  set  at  the  factory  to  stop  the hook  block  3  inches  from  bottom  of  hoist  on  all  units with  standard  10  foot  lift  except  Models  AA  and  AA-2. Factory setting is 6 inches for these models and for all other models equipped with chain for lifts longer than 10 feet. 3. If adjustment is necessary, see page 16 and 17. CAUTION:  As with any lower hoist, the hook block must not be allowed to run into the bottom of hoist nor allow the chain to become taut between loose end screw and frame  or  else  serious  damage  will  result,  which  could drop the load. 4. Press  +  (DOWN)  control  and  cautiously  lower hook until lower limit switch stops the downward motion. From  7  to  11  chain  links  (depending  on  hoist  model) should  be  between  the  loose  end  link  and  the  hoist entry.  See Figure 2. 5. If adjustment is necessary, see page 17. SHORTENING THE CONTROL CORD If   it   is   necessary   to   shorten   the   cord,   it   is recommended  that  a  "Control  Cord  Alteration  Kit"  (S- 474) be obtained from a distributor of CM Hoist or from the   CM   Factory.      However,   if   the   proper   solderless wiring terminals, etc.  are available, proceed as follows: 1. After  hoist  operates  properly,  disconnect  power supply, open control station and disconnect all wires and steel strain cable. 2. Remove cord from control station and slide the neoprene grommet and grommet retainer ring up on the cord. 3. Cut  off  control  cord  for  a  length  equal  to  the distance station is to be raised, measuring from the end of longest wire. 4. Now, using the cut off piece of cord as a guide, strip outer insulation jacket and shorten individual wires (except Green wire) to the lengths previously used, refer to Figure 5.  Strip insulation from each wire for distance required for appropriate terminal. 5. Attach proper terminals (either ARK-LES #3000H4A, ARK-LES #3000H9A, ARK-LES 5







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