ARMY TM 9-6115-639-13 AIR FORCE TO 35C2-3-386-51 MARINE CORPS TM 10155A-13/1 4-23.  VOLTAGE ADJUST RHEOSTAT MAINTENANCE This task covers removal, inspection, and installation. INITIAL SETUP Tools: Equipment Condition: Tool Kit, General Mechanic’s Automotive Generator set shut down (Para. 2-9) (Item 2, App. B, Sect. III) Battery cables disconnected Soldering Iron (Item 6, App. B, Sect. III) Cable disconnected for SLAVE RECEPTACLE Heat Gun (Item 7, App. B, Sect. III) Parts / Materials: Solder (Item 12, App. E) Heat Shrink Tubing (Item 13, App. E) A.    REMOVAL. 1. Remove   knob   (4,   Figure   4-14)   from   shaft   of VOLTAGE  ADJUST  rheostat  (3)  by  loosening setscrews (5).   2. Turn quarter-turn fasteners (1) to unlock and open control panel (2). 3. Remove  rheostat  (3)  from  control  panel  (2)  by removing attaching nut (6) and lockwasher (7). 4. Peel back heat shrink tubing to  expose  electrical wires  on  rear  of  rheostat  (3).   Using  a  soldering iron, detach electrical wires from rear of rheostat. B.    INSPECTION. 1. Inspect    rheostat    for    corrosion    and    obvious damage.    Rotate  rheostat  shaft  to  ensure  smooth operation. 2. Inspect  electrical  wiring  for  cuts,  crimps,  bare wire,  or  other  damage.    Ensure  connectors  are securely attached. Figure 4-14.  VOLTAGE ADJUST Rheostat 4-46