Home›Repair guides›Cummins/Onan›Priming the Fuel System

Cummins/Onan M-1902s — Priming the Fuel System

Maintenance

For the Cummins/Onan M-1902s, from the Cummins/Onan service manual.

Applies to: Cummins/Onan HDKA, Kubota V1505-E3BG engine

Before you start

  • Priming should only be done by a skilled and experienced diesel technician.

Procedure

  1. Disconnect the negative (-) lead to the genset starting battery.
  2. Use clip leads to jumper B+ and ground to the electric fuel pump; run pump five to ten seconds.
  3. Reconnect the starting battery so the generator set may be cranked.

Tools required

Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.

Full service-parts list: Cummins/Onan HDKA →, Kubota V1505-E3BG engine →

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.

More Cummins/Onan repair guides →