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Voltage readings taken with PLG4/RC4 connected.
Resistance readings taken with PLG4/RC4 disconnected.
V9
V8
Test Equipment Needed:
Belt Driven Generator
1 ohm
Pin 1
V7
26 ohms
See Section 8-3 for
waveforms A,B
Waveform A
Check Resistance at TE1
C to D,
C to E,
C to F,
E to F,
D to F
All readings should be 1
ohm. Check with lead 42 lift-
ed. Replace generator if
windings are shorted to case
or open.
Voltage Readings
±
a)
Tolerance
−
10%
specified
°
b)
Condition − 70
F (21
machine (no warm-up); no load
c)
Power rpm (3600 at 60 Hz, 3000 at
50 Hz) unless specified
d)
Reference
−
single
reference to circuit common
(lead
42);
double
reference to points indicated
e)
Wiring Diagram − see Section 10
V1 Thru V6 Taken At Basket Receptacle
X to Y − 240 volts AC ±10%
V1
X to Z − 240 volts AC ±10%
V2
Y to Z − 240 volts AC ±10%
V3
X to G − 120 volts AC ±10%
V4
Y to G − 120 volts AC ±10%
V5
Z to G − 208 volts AC ±10%
V6
V7
Rotor:
20 volts DC at no load ±20%
70 volts DC at full load ±10%
V8
Exciter:
138 volts AC at no load ±10%
155 volts AC at full load ±10%
V9
Voltage Feedback:
240 volts AC ±10%
V10
Shutdown Signal:
0 volts DC during normal operation*
V11
PWM Signal: 0 to +15 volts DC
1.5 volts DC normal no load
4.3 volts DC at full load
V12
Generator Enable:
Battery voltage when generator is
enabled (on)
0 volts DC when generator is not en-
abled (off)
V13
Battery Voltage
*
If 12 volts DC is present, check rotor
and if rotor checks ok, replace con-
trol board PC1.
Measure Output Voltages V1
Thru V6 At Basket Receptacle
TM-268 819 Page 15
unless
°
C); cold
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