Kohler COMMAND CH18-745 Service Manual page 133

Section 8
Electrical System and Components
Lighting Lead
(Yellow)
Charging Lead
(Black)
Figure 8-19. 3 amp/70 Watt Stator.
Stator
The stator is mounted on the crankcase behind the
flywheel. Follow the procedures in Section 9 -
"Disassembly" and Section 11 - "Reassembly" if stator
replacement is necessary.
Rectifier-Regulator
The rectifier-regulator is mounted on the blower
housing. See Figure 8-20. To replace it, disconnect the
plug(s), remove the two mounting screws, and ground
wire or metal grounding strap.
NOTE: When installing the rectifier-regulator, take
note of the terminal markings and install the
plug(s) accordingly.
Figure 8-20. Rectifier-Regulator.
Testing of the rectifier-regulator may be performed as
follows, using the Rectifier-Regulator Tester (SPX Part
No. KO3221, formerly Kohler Part No. 25 761 20-S).
8.16
Diode
Rectifier-
Regulator
Ground Strap (or lead)
Lighting Stator
To Test –
NOTE: Disconnect all electrical connections attached
to the rectifier-regulator. Testing may be
performed with the rectifier-regulator mounted
or loose. The figures show the part removed
from the engine for clarity. Repeat the
applicable test procedure two or three times
to determine the condition of the part.
15 Amp Rectifier-Regulators
1. Connect the tester ground lead (with spring
clamp) to the body of the rectifier-regulator being
tested.
2. Connect the tester red lead to the B+ terminal of
the rectifier-regulator and the two black tester
leads to the two AC terminals. See Figure 8-21.
Figure 8-21.
3 Amp Charging Stator