ARMY TM 9-2815-255-24 AIR FORCE TO 38G1-95-2 MARINE CORPS TM 2815-24/4 b. Turn overrunning clutch drive clockwise by hand.  Pinion should turn freely. c. Turn pinion counterclockwise.  A definite resistance should be felt.  If clutch assembly is defective disassemble the starter clutch. d. If armature turns freely and the clutch is not defective, test starter under no-load conditions. CAUTION Never operate starter longer than 30 seconds.  Allow at least two minutes for cooling and battery recovery  before  operating  again.    Overheating,  caused  by  excessive  operation,  will  seriously damage starter. NOTE Do not conduct the no-load test unless the armature turns freely. e. Connect a 24 VDC source (A) to starter battery terminal (B) and starter frame (C) as shown.  Use heavy duty cables, refer to FIGURE 3-14. f. Connect a remote start switch (D) between switch terminal (E) and battery terminal (B). g. When switch is activated, starter should engage and run. h. If  solenoid  only  chatters,  hold-in  winding  is  open-circuited.    If  nothing  happens,  either  pul-in  winding  is  open- circuited or mechanical parts are sticking.  To check for sticking, remove solenoid end cover and push plunger by hand. NOTE The solenoid cannot be repaired. i. If solenoid engages properly, but starter does not run, check main contact points, bearings, brushes, reduction gears, armature, and field windings. WARNING Prior  to  removing  starter,  ensure  negative  battery  lead  Is  disconnected  from  battery  to  prevent serious injury r death. 3-12.2.  Removal. a. Ensure negative battery lead is disconnected from battery. b. Remove coolant overflow bottle and mounting plate, refer to end item maintenance manual. c. Tag and disconnect electrical leads from starter. 3-35