TM 5-2420-231-23-1
0025
Table 1. Alternator Does Not Charge or Alternator Charging Indicator Fault - Continued.
025
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
7. Inspect alternator fan (Figure 3,
Fan OK - Proceed to step 8.
Alternator Does Not Charge
Item 8) for bends or damage.
Fan Bent or Damaged - Replace fan
or Alternator Charging
(WP 0153).
Indicator Fault - Continued
Proceed to Test Step 8.
8. Rotate alternator drive shaft (Fig-
Alternator Drive Shaft OK - Install
ure 3, Item 9) by hand while listen-
alternator fan (Figure 3, Item 8) and
ing for noise and for rough or
drive pulley on alternator (Figure 3,
sticking bearings. Alternator drive
Item 6) and install alternator on machine
shaft should rotate quietly and
(WP 0153).
smoothly without binding or stick-
Proceed to step 9.
ing.
Alternator Drive Shaft Noisy When
Rotated - Replace alternator
(WP 0153).
Proceed to Test Step 8.
Alternator Drive Shaft Binds, Sticks,
or Is Rough/Noisy When Rotated -
Replace alternator (WP 0153).
Proceed to Test Step 8.
Figure 3. Alternator, Mounting Bracket, and Drive Belt.
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