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ARMY TM 9-2815-260-24 AIR FORCE TO 38G1-126-2 MARINE CORPS TM 09244A/09245A-24 4-32 (j) Using a growler tester, place armature on it and hold a hacksaw blade against armature core while slowly rotating armature, refer to Figure 4-27.  A short circuited armature causes blade to vibrate and be attracted to core.  An armature which is short circuited must be replaced. FIGURE 4-27.  GROWLER TEST (k) Set multimeter for ohms and touch one probe to a commutator segment and other one to armature core, refer to Figure 4-28.  There should be no continuity, armature is grounded. Replace armature if grounded. FIGURE 4-28.  TESTING FOR GROUNDED WINDINGS


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