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Back Figure 5-4. Testing Armature for Grounds | Up TM-5-6115-584-34 Generator Set Diesel Engine Driven Tactical Skid Mtd. 30 Kw 3 Phase 4 Wire 120/208 and 240/416 Volts Manual | Next Figure 5-9. Testing Brush Spring Tension STYLE I Starter Only |
TM5-6115-584-34
NAVFAC P-8-622-34
TO-35C2-456-2
(d) Testing Commutator Runout. Place the
(e) Testing Armature Shaft Runout.
armature in a test bench and check runout with a
place armature in a test bench and check shaft
dial indicator. See figure 5-7. When commutator
runout with a dial indicator. Runout should not
runout exceeds 0.004 inch, commutator should be
exceed 0.006 inch. See figure 5-8. If shaft is
refaced. After refacing commutator, check that it
bent or worn, armature must be replaced.
meets minimum specifications. Check and if
necessary, undercut mica as given under repair.
Figure 5-7. Checking Cummutator Runout
i
Figure 5-8. Checking Armature Shaft Runout
5-6
Change 7
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