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ARMY TM 92815-256-24 AIR FORCE TO 38G1-96-2 MARINE CORPS TM 281524/5 FIGURE 3-31.  Checking Overrunning Clutch 3-12.5.  Test. 3-12.5.1  Testing Starter Motor (Installed). a. Make  sure  batteries  are  fully  charged  and  that  all  battery  and  starter  cables  are  serviceable  and  properly installed. b. Set multimeter for DC volts, and connect as shown in FIGURE 3-32, Test A.  If voltage is indicated solenoid is defective. c. Momentarily connect a jumper as shown in FIGURE 3-32, Test B.  Multimeter should indicate battery voltage and starter  should  crank  the  engine.    If  multimeter  does  not  read  battery  voltage,  the  solenoid  is  defective.    If multimeter indicates battery voltage, but starter does not operate, starter is defective. FIGURE 3-32.  Starter Solenoid Test Circuit 3-12.5.2 Testing Starter Components (Removed). a. Using  a  growler  tester,  place  armature  on  it  and  hold  a  hack  saw  blade  against  armature  core  while  slowly rotating armature, refer to FIGURE 3-33.  A short circuited armature causes blade to vibrate and be attracted to core.  An armature which is short circuited must be replaced. 3-46


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