Cummins/Onan PCC Control 3100 Series — Day Tank Fuel Transfer Pump Control Operation
Operation
For the Cummins/Onan PCC Control 3100 Series, from the Cummins/Onan service manual.
Applies to: Cummins/Onan DFAA, Cummins/Onan DFAB, Cummins/Onan DFAC, Cummins/Onan DFBF, Cummins/Onan DFCB, Cummins/Onan DFCC, Cummins/Onan DFCE, Cummins/Onan DFE
Before you start
- Continued operation with a HI FUEL fault present can lead to spillage of large quantities of fuel if the high-fuel float switch fails.
Procedure
- Push the control switch to the ON position for automatic operation; the green SYSTEM READY light will come on and the pump will fill the tank.
- When filling an empty tank, the red LO SHUTDOWN and LO FUEL lights will come on; push the panel RESET switch to turn them off after the tank has been filled.
- The green PUMP ON light indicates when the pump is running.
- Push the control switch to the EMERGENCY RUN position (momentary contact) to pump fuel if the control fails to operate automatically.
- Press the TEST switch to test the indicator lights and pump operating circuits.
- Press the reset button of the AC or DC circuit breaker if either has tripped.
Full service-parts list: Cummins/Onan DFBF →, Cummins/Onan DFCC →, Cummins/Onan DFCE →, Cummins/Onan DFE →
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.