Onan 7NHM-FA/26105F - Product Support Bulletin #563: Set Dies When Switch Released

SET DIES WHEN SWITCH RELEASED
-EMERALD AND MARQUIS WITH ELECTRONIC VOLTAGE REGULATOR (AVR)-
Product Support Bulletin #563
Measure VDC
@F1-F2
(Brushes)
Check VDC
~ be~eenAVR I ovo<g No?
PG!n ?and J /
round ~
Bypass LOPKO:
Ground LOPKO
Lead
!U .....,
Check Rotor,
Stator, and
Brushes per
PSB #564
L- • J
Checks
OK?
OVDC?
Check VDC
between AVR
Pin
10 and
Ground
9-12VDC?
? A 1 Board Check-
) 1 ' OK' out per Card:
#900-0254 (White
- • Plug), (#900-0265)
Blue Plug
'1/93
Troubleshoot Wiring
to Board: Check K1-1
(Start Solenoid)
Replace Board
Upgrade to
#300-3950/-3951 for
White Plug Boards
Readjust
Speed
Troubleshoot
Engine Lube
System per
SVC Manual
Check Rotor,
Stator, and
Brushes per
PSB#564