ARMY TM 9-2815-256-24
AIR FORCE TO 38G1-96-2
MARINE CORPS TM 2815-24/5
e.
Inspect other components for damage such as broken terminals or insulation, discoloration, stripped threads, and
other obvious damage.
f.
Replace damaged components as necessary.
3-11.5. Testing.
a.
Set multimeter for ohms and check brush assembly (refer to FIGURE 3-8) for continuity between mount A and
brush B, and mount C and brush D. Check for open circuits between mount A and mount C, mount A and brush
D, mount C and brush B, and brush B and brush D. Replace brush assembly if indications are other than stated.
FIGURE 3-8. Testing Brush Assembly
b.
Set multimeter for ohms and check diode-trio assembly (refer to FIGURE 3-9) by noting multimeter indications
between D+ stud and each of stator terminals. Reverse multimeter leads, repeat checks and note indications. If
readings are the same in both directions for any diode, replace entire diode-trio assembly. A good diode will
show a high indication in one direction and a low indication in the other.
FIGURE 3-9. Testing Diode-Trio
3-31
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