Onan NH - Phelon System Testing

TABLE 3. TESTING PHELON SYSTEMS
BASIC TEST
1. Battery
TEST VALUES
PROCEDURE 1 SA. SYSTEM 20A. SYSTEM
Battery Voltage - unit not running. 12 VDC 12 VDC
2. Regulator
3. Alternator Stator
and Wiring
4. Alternator
and Wiring
MOUNTED ON
CYLINDER COVER
\ VR1
Battery Voltage after unit is running
3 to 5 minutes.
Ohmmeter reading from stator
output
- unit not running.
Check at plug.
Measure
AC open circuit stator
voltage with unit running. Measure
between two stator leads with
23 VAC minimum
plug disconnected and unit
65 VAC maximum 48 VAC maximum
running at approximately
3600 rpm.
13.6 to 14.7 VDC 13.6 to 14.7 VDC
0.1 to 0.2 Ohms 0.3 to 0.5 Ohms
28 VAC minimum
MOUNTED BEHIND
BLOWER WHEEL
AC
B+ AC
FLYWHEEL
VOLTAGE REGULATOR
85-1333
TO BATTERY
-
- AC -AC
15 AMP
20 AMP
CAUTION:
REGULATOR MUST BE GROUNDED
THROUGH MOUNTING BOLTS
151332
VOLTAGE REGULATOR
CONNECTIONS
FIGURE 35. PHELON SYSTEM
33