Piper Arrow IV Turbo Maintenance Manual page 222

Figure 24-38. Slip Ring End Bearing Assembly
CHART 2404. ALTERNATOR SPECIFICATIONS (PRESTOLITE)
Aircraft Model
Alternator Model
Voltage
Rated Output
Ground Polarity
Rotation
Rotor:
Current Draw (77°F)
Resistance (77°F)
Output Test (77°F):
Volts
Amperes Output
Field Amperes
Alternator RPM
EFFECTIVITY:
PRESTOLITE ALTERNATOR
PIPER AIRCRAFT
PA-28RT-201 / 201T
MAINTENANCE MANUAL
PA-28RT-201
ALY 6422
12-volts
60 amperes
Negative
Bi-Directional
3.0 to 3.3 amps @ 12.0-volts
3.6 to 3.9 ohms
12.8 14.2
10.0 65.2
3.15 3.45
1730 min. 5000 min.
1J6
Figure 24-39. Testing Alternator
PA-28RT-201T
ALX 9425
12-volts
65 amperes
Negative
Bi-Directional
2.4 to 4.0 amps @ 12.0-volts
3.0 to 5.0 ohms
Revised: July 13, 1983
24-33-09
Page 24-35