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Control Removal
NEUTRAL START SWITCH CHECK

TM-55-1930-209-14P-6 Water Purification Barges (NSN 1930-01-234-2165) Chlorination System Manual
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MINOR REPAIRS Neutral Start Switch Replacement Removal/Installation Replacement of the neutral start switch may be accomplished  with  the  control  on  the  machine  providing  a space of .38 in.  (9.65 mm) is available for switch removal. CAUTION Do not disturb any locknuts or adjustments on the Neutral Start Switch other   than   those   described   in   these procedures. Disturbing other components   may   result   in   the   prime mover starting In other than the neutral (0  flow)  position.    If  other  adjustments are disturbed during replacement, accomplish   the   "Neutral   Start   Switch Check"    procedure    on    the    following page. 1. Holding  the  switch  in  place  with  a  1/Be"  wrench, loosen the locknut with a 7/9" wrench. CAUTION Do not turn the switch when loosening the  locknut.    Turning  the  switch  may change other critical switch adjustments. 2. After  the  locknut  is  loose,  remove  the  switch  by turning the switch CCW. 3. Install    the    new    switch    by    turning    the    switch clockwise   until   finger   tight.      Leave   the   locknut loose. Switch Adjustment 1. Make  certain  control  is  in  the  neutral  position.    If the    switch    is    being    replaced    with    the    control removed  from  the  unit,  neutral  can  be  verified  by rotating  the  control  link  assembly  until  the  Neutral Start Switch pin is engaged in the slot on the cam assembly. 2. Attach  a  continuity  checker  to  the  two  screws  on the end of the switch. 3. With  the  control  in  the  neutral  position,  turn  the switch  CCW  until  electrical  continuity  is  obtained. Turn   switch   CCW   an   additional   1/8   turn   after continuity has been obtained. 4. Holding  the  switch  in  place  with  a  1  1/8"  wrench, tighten the locknut with a 7/8" wrench. 5. With the continuity checker attached to the switch, rotate the control lever (or the control link) in each direction  to  assure  continuity  is  broken  when  the control is not in the neutral position. Page 32







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