Cummins/Onan QST30 — Analog Meter Calibration
Adjustments · PCC analog meters
For the Cummins/Onan QST30, from the Cummins/Onan service manual.
Applies to: Cummins/Onan DFHA, Cummins/Onan DFHB, Cummins/Onan DFHC, Cummins/Onan DFHD, Cummins/Onan QST30, Cummins/Onan QST30 engine
Procedure
- Select >> from Main Menu, proceed to A−C VOLTS ADJ TO menu.
- Start generator set and allow to reach normal operating speed.
- Calibrate analog Voltmeter to digitally displayed value.
- Calibrate analog % Amps meter to digitally displayed value.
- Calibrate analog % Load meter to digitally displayed value.
- Calibrate analog Frequency meter to digitally displayed value.
- SAVE, then EXIT.
Full service-parts list: Cummins/Onan DFHA →, Cummins/Onan DFHB →, Cummins/Onan DFHC →, Cummins/Onan DFHD →, Cummins/Onan QST30 →
Source: Cummins/Onan service 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.