Cummins/Onan CFP5E / CFP7E — Engine Speed Calibration
Adjustments · Engine speed control
For the Cummins/Onan CFP5E / CFP7E, from the Cummins/Onan owner's manual.
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Before you start
- Never switch from ECM-A to ECM-B while engine is running.
Procedure
- Remove cap screw from operator instrument face plate.
- Start engine using local start method.
- Observe engine accelerates to speed set point on Factory Settings Plate.
- Move Engine Speed Toggle Switch to INC or DEC position as required.
- Each brief toggle movement changes idle speed by 10 RPM.
- Repeat steps for ECM A and ECM B subsystems.
- Close panel and tighten enclosure cap screw.
Specs & values
- Each brief toggle step changes speed by 10 RPM
Source: Cummins/Onan owner's manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.