38
2
AC Only Alternator
The AC alternator provides current for headlights
only. Current for lights is available when the
engine is running. Use 12 volt lights with a total
rating of 60 - 100 watts to test the alternator.
With lights rated at 70 watts, the voltage rises
from 8 volts at 2400 RPM to 12 volts at 3600
RPM. The brightness of the light(s) changes with
engine speed.
1. Set meter to AC test. See Figure 5.
2. Attach RED test lead clip to AC output
terminal connector ([
A
] Fig. 16).
Fig. 16
3. Attach BLACK test lead clip to engine
ground ([
B
] Fig. 16).
4. Start engine.
• AC output should be no less than 14
volts @ 3600 RPM.
If low or no output is found:
• Replace stator.
1.2 Amp Unregulated Alternator
The 1.2 amp DC alternator provides current for
charging a 12 volt battery. The alternator has a
RED connector (
A
) and BLACK wire ([
B
] Fig.
17).
Fig. 17
1. Set meter to DC test. See Figure 11.
2. Attach RED test lea d clip to DC output pin
([
C
] Fig. 18) in connector.
Fig. 18
3. Atta ch BLACK test lead clip to positive (+)
battery terminal.
4. Start engine.
Output will vary with battery voltage.
If the battery is at maximum voltage:
• The output will be no less than 1 amp
@3600 RPM.
If low or no output is found:
• Replace stator.
0
1 0
2 0
3 0
O F F
C O M
V
Ω
10A
F U S E D
Ω
V
∼
3 0 0 m V
V
A
A
~
Содержание 115400
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