ARMY TM 9-6115-642-24
AIR FORCE TO 35C2-3-455-12
MARINE CORPS TM 09247A/09248A-24/2
o.
Perform alternator performance test as follows:
(1)
Mount alternator on test fixture capable of providing 5,000 alternator rpm.
Make sure connections are tight to avoid possible damage to instruments,
alternator, or wiring due to shot-t circuits.
(2)
Set up test circuit as shown in Figure 4-9
NOTE
Carbon pile and ammeter must be capable of handling the alternator rated
output.
(3)
Starting with the carbon pile off, slowly increase load while observing ammeter and maintaining
5000 rpm. Increase load until an output voltage of 27.0 - 29.0 volts IS achieved. Record the
output current at this point. Acceptable minimum current is 16.2 amperes at 705 to 805F (21
to 275C).
Figure 4-9. Performance Test Circuit
4-6.4 Change 4
