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ELECTRICAL CONTROL PARTS
HORIZONTAL AND VERTICAL MOUNTING

TM-55-1930-209-14P-13 Water Purification Barges (1930-01-234-2165) Equipment Montoring System Manual
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SAMPLE BALLAST RESISTOR DIAGRAM The procedure for adjusting the starting acceleration of a crane or tractor, with ballast resistance control, consists of three steps: 1. Pick up the heaviest load that is to be handled. 2. Move clamps A, B, & C toward 9, 12, and 15 until the crane or tractor stalls.  (This coil adjustment increases resistance and decreases the starting acceleration). 3. Move  clamps  A,  B,  &  C  away  from  9,  12,  and  15  until  the  crane  or  tractor  begins  to  slowly  accelerate  to  the proper speed.  (This coil adjustment decreases resistance and increases the starting acceleration). Once a ballast resistor has been adjusted, it should never need attention except for four (4) possibilities: 1. Difference starting acceleration characteristics are desired. 2. The motor was replaced by one with different characteristics from the first motor. 3. Physical damage to the resistors. 4. The resistor coil has burned out. For wound rotor motor, contact the factory office for resistor adjustments. WG-388.1







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