189Section 10 Governor AdjustmentsTP-6356 4/12
Section 10 Governor Adjustments
10.1 Governor Identification
This section contains governor identification by model
and engine including optional governors when
available. See Figure 10-1 and Figure 10-2. The
reference column provides the source for governor
adjustment. T his section provides governor adjustment
Information when it is not available in the engine service
literature. Refer to the respective wiring diagram for
electrical connections. Refer to the respective parts
catalog for engine literature part numbers.
10.1.1 Gas Models
When making governor adjustments, also refer to
Section 9, Gas Fuel Systems, for information regarding
fuel mixture adjustment, engine timing, and spark plug
gap.
Model, kW Engine Governor Type Reference
20 Ford LRG-425 Electronic (P/N A-246045) Section 10.2
30 GM 3.0 L Electronic, ECU Not Adjustable*
30 GM 4.3 L Electronic Not Adjustable*
35 GM 4.3 L Electronic Not Adjustable*
45 GM 4.3 L Electronic Not Adjustable*
50 GM 5.0 L Electronic Not Adjustable*
50 GM 5.7 L Electronic Not Adjustable*
60 GM 5.7 L Electronic Not Adjustable*
80 GM 8.1 L Electronic, ECU Not Adjustable*
100 GM 8.1 L Electronic, ECU Not Adjustable*
125 GM 8.1 L Turbo Electronic, ECU Not Adjustable*
135--275 DDC Series 50/60 Electronic, DDEC Engine S/M
400--800 Waukesha Electronic Engine S/M
* See Section 9, Gas Fuel Systems, for fuel mixture adjustment, engine timing, and spark plug gap.
Figure 10-1 Gas Governor Identification
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