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 20. Push STOP button. W a i t for test stand to come to a complete
stop.
21. Return test stand to base settings (para E-3).
22. Remove generator from test stand.
b.
Generator/Regulator
test
CAUTION
Follow steps as written or voltage spikes may
damage test equipment or pop circuit breaker.
NOTE
Perform generator test first.
1. Place test stand switches and controls in base settings (para
E-3).
2. Install bracket (fig. F-5) on test stand.
3. Install pulley (UMC part no. 89335) on test stand.
4. Install pulley 12314043 on generator.
5. Place generator in bracket.
Install
three
belts
(part
no. 3L350-G)between pulleys.
Check belt tension and alinement.
Lock
down generator with chain vise.
6 . V e r i f y b u s b a r s a r e i n s t a l l e d f r o m B + t o G + a n d B - to G-.
7. Connect generator/regulator test stand cables (see
figures F-7 through F-12.
8. Verify main circuit breaker on test stand is ON.
9. Turn BATTERY CIRCUIT SELECTOR to 24 VOLTS. ( S u n
reference-
Read BATTERY SELECT).
10. Turn MASTER LOAD DISCONNECT switch ON.
1 1 . Press START button.
12. Increase test stand speed to 2000 RPM.
13. Check output voltage for 28 + .5 volts. If necssary, adjust
regulator output screw to obtain 28 + .5 volts.
14. Verify test stand is operating at 2000 RPM.
15. Check output voltage which should be 28 + .5 volts.
Read DC
LOAD AMMETER. ( S u n r e f e r e n c e - Read DC AMMETER LOAD AND STARTER
OUTPUT BATTERY CHARGE CURRENT).
E-6
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