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![]() TM 5-2420-222-20-1 
ORGANIZATIONAL TROUBLESHOOTING - CONTINUED 
MALFUNCTION 
TEST OR INSPECTION 
CORRECTIVE ACTION 
CAUTION 
Do not ground voltage regulator to any ac generator terminal. Grounding voltage regulator to ac generator 
terminal may cause damage to parts. 
Step 7. 
Using 5/16inch, 1/4inch drive socket and ratchet handle unscrew and take out two screws (6) and 
screw (7). Pull voltage regulator lead (8) off of ac generator terminal (9). Connect ac generator and 
voltage regulator test set to ac generator terminals (5 and 9). Check test set ammeter for reading of 
1.9 to 2.6 amps for 35 amp ac generators, or 2.0 to 2.5 amps for 55 amp ac generators. Disconnect 
ac generator and voltage regulator test set. 
a. 
If test set ammeter reads as specified, go to step 8. 
b. 
If test set ammeter does not read as specified, replace ac generator (page 2-436). 
TA242737 
2-63 
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