ARMY TM 9-2815-259-24
AIR FORCE TO 38G1-125-2
MARINE CORPS 09249A/09246A-24
4-34
(n) Using a multimeter, touch one probe to field winding end of brush and other one to bare
surface of yoke body, refer to Figure 4-31. There should be no continuity. If there is
continuity, field windings are grounded. Replace the yoke assembly.
FIGURE 4-31. CHECKING FIELD COILS
(o) Using a multimeter, touch one probe to lead wire and other one to brush, refer to Figure 4-
32. There should be continuity. If there is no continuity, field windings are open circuited.
Replace the yoke assembly.
FIGURE 4-32. CHECKING FOR OPEN FIELD COIL
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