52
TEST NO. 4 (BATTERY ALWAYS CHARGING AT HIGH RATE)
Check B+ to ground voltage with D.C. voltmeter.
1. If over 14.8 volts at 2500 RPM, 1. Regulator is not functioning.
3000 RPM, and 3600 RPM.
2. If under 14.4 volts @ 2500 RPM. 2. Battery charge low. Alternator okay,
@ 3000 RPM. check battery.
@ 3600 RPM.
TEST NO. 5 (BATTERY BOILING OR FUMING).
Check B+ to ground voltage with D.C. voltmeter.
1. If over 14.8 volts. 1. Regulator not functioning.
Visual check for overfilling. Overfilled battery may appear to fume
due to expansion.
GREEN
YELLOW
YELLOW
YELLOW
YELLOW
GREEN
GREEN
RED
RED
FUSE
SWITCHRECT. - REG.
RB
M
D.C.VOLTMETER
BATTERY
TEST SETUP ON NEW 20 AMP. SYSTEMS WITH RECTIFIER-
REGULATOR IN BLOWER HOUSING. TEST VALUES SAME
AS ORIGINAL 20 AMP. SYSTEM.
D.C. VOLTMETER
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