ARMY TM 9-2815-256-24
AIR FORCE TO 38G1-96-2
MARINE CORPS TM 2815-24/5
FIGURE 3-33. Growler Test
Set multimeter for ohms and touch one probe to a commutator segment and other one to armature core, refer to
FIGURE 3-34. There should be no continuity. If there is continuity, armature is grounded. Replace armature if
FIGURE 3-34. Testing for Grounded Windings
Set multimeter for ohms and touch probes to two segments, refer to FIGURE 3-35. There should be continuity at
any point. If there is no continuity, winding is open circuited. Replace the armature if open circuited.
FIGURE 3-35. Checking for Open Circuit Windings
Set multimeter for ohms and touch one probe to positive brush holder plate and other one to the holder plate,
refer to FIGURE 3-36. There should be no continuity. If there is continuity, replace brush holder.