TM 5-6115-332-14 P-8-614-14 TO  35C2-3-424-1 (2) Remove nut and washer (from the front of the control panel) securing the panel lights switch to the control panel. (3) Remove panel lights switch. b. Cleaning, Inspection and Repair. (1) Clean the panel lights switch with a clean lint free cloth. (2)  Inspect  switch  for  signs  of  burned  areas, loose or corroded terminals, cracks, or thread dam- age. (3) Inspect switch for proper operation. (4) Replace a damaged or defective switch. c. Installation. CAUTION When   installing   the   panel   lights switch be certain that all wire leads are returned to the correct terminals. If these instructions are not followed, serious damage will result. (1)  Position  panel  lights  switch  in  place  on control panel and secure with washer and nut. (2) Reconnect all leads. d.  Testing.   Test  with  a  multimeter  for  con- tinuity of switch contacts. 4-32.  Panel  Light  (XDS1  and  XDS2). CAUTION When working inside the control pan- el, disconnect plug P1 to prevent bat- tery voltage arcing. a. Removal. Refer to figure 4-24 and the follow- ing instructions to remove the panel light. (1)  Tag  and  disconnect  electrical  leads  from the panel light. (2) Remove panel light shield (from the front of the control panel) by pulling straight out. (3) Remove panel light bulb by depressing and turning  counterclockwise. (4) Remove nut and washer (from back of con- trol  panel)  securing  panel  light  to  the  control  panel. (5) Remove Panel light. (6) Remove the other panel light in the same manner. b. Cleaning, Inspection and Repair. (1) Clean the panel light(s) using a clean lint free cloth. (2)  Inspect  light(s)  for  loose  contacts,  cracks, breaks, or burned sockets. (3) Inspect bulb for corroded pins or base and for a burned out condition. (4)  Replace  damaged  or  defective  panel  light or  bulb. c. Installation. CAUTION When installing the panel light(s), be certain  that  all  wire  leads  are  re- turned to the correct terminals. The lead from the switch must go to the positive,  or  center,  terminal  of  the panel light. If these instructions are not   followed,   serious   damage   will result. (1)  Position  panel  light  in  place  on  control panel and secure with washer and nut. (2)  Insert  panel  light  bulb  into  light  socket. Depress bulb and with a clockwise motion secure in lamp socket. (3) Install light shield by pushing straight in until shield snaps into place. (4) Reconnect leads. (5) Install the other light in the same manner. d.  Testing.   Test  with  a  multimeter  for  con- tinuity of switch contacts. Section IX. MAINTENANCE OF THE GENERATOR ELECTRICAL SYSTEM 4-33.  AC  Voltmeter  (M6). Always stop the generator set before a. Removal. Refer to figure 4-24 and the follow- performing maintenance on the elec- ing instructions to remove the AC Voltmeter. trical system copmonents. Failure to (1) Tag and disconnect leads from the AC volt- meter. observe  this  warning  may  lead  to (2)  Remove  nuts,  washers,  and  screws  secu- severe   injury   or   to   death   b y electrocution. ring the AC voltmeter to the control panel. (3) Remove the voltmeter. 4-52