8 TT-1701 2/17
Parts List
Electronic Governor Kit
Kit: GM90661-KP1
Qty. Description Part Number
1 Governor, electronic GM90652
1 Actuator, governor 324516
2 Washer, plain (#6 screw size) M125A-06-80
2 Nut, hex (6 mm) M6923-06-80
2 Screw, hex cap (M6 x 30 mm) M933-06030-60
1 Harness, governor GM90770
1 Seal, cover included with actuator
1 O-ring included with actuator
Troubleshooting
1. Remove the generator set from service.
1.1 Press the generator set OFF/RESET button to
shut down the generator set.
1.2 Disconnect the power to the battery charger, if
equipped.
1.3 Disconnect the generator set engine starting
battery(ies), negative (--) lead first.
1.4 If equipped with an enclosure, remove enclosure
doors as needed to service the engine.
2. Testing the Actuator.
If the electronic governor system fails to operate and the
actuator is suspected to be the problem, perform the
following tests.
2.1 Measure coil resistance (at room temperature):
2.05 0.25 ohms (12 VDC actuator).
2.2 Measure coil isolation to case: >3 Megohm.
2.3 Remove the actuator. Manually move the actuator
through its range of motion. No binding or sticking
should occur.
2.4 Install a diode Kohler part no. 294254 (Motorola
MUR810 or equivalent) across the actuator
terminals.
2.5 Apply a 12 VDC power supply to the actuator
where the pos. (+) connects to the cathode of the
diode.
2.6 The actuator should move to the full fuel position
and operate smoothly throughout its entire stroke
without any interruption in motion.
2.7 If the actuator passes these tests the problem is
likely in the governor and/or fuel system.
KOHLER CO., Kohler, Wisconsin 53044 USA
Phone 920-457-4441, Fax 920-459-1646
For the nearest sales and service outlet in the
US and Canada, phone 1-800-544-2444
KOHLERPower.com
Kohler Power Systems
Asia Pacific Headquarters
7 Jurong Pier Road
Singapore 619159
Phone (65) 6264-6422, Fax (65) 6264-6455
Availability is subject to change without notice. Kohler Co. reserves the
right to change the design or specifications without notice and without any
obligation or liability whatsoever. Contact your local Kohlerr generator
set distributor for availability.
2017 by Kohler Co. All rights reserved.
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