Cummins/Onan A052J727 — Draining the Fuel Filter
Maintenance · Fuel system
For the Cummins/Onan A052J727, from the Cummins/Onan operator's manual.
Applies to: Cummins/Onan MDKD
Before you start
- Diesel fuel is combustible; keep ignition sources away.
Parts for this job
- 149-1914-05 Fuel filter Amazon eBay $41.25
Part numbers from the service-parts list for Cummins/Onan MDKD. Verify against your serial number before ordering; some links are affiliate links.
Procedure
- Disconnect the negative battery cable.
- Open the front access door.
- Remove the drain plug and drain about 120 ml (1/2 cup).
- Re-install the drain plug.
- Replace the front access door and reconnect the battery cable.
Tools required
- Insulated wrench Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Drain about 120 ml (1/2 cup)
Full service-parts list: Cummins/Onan MDKD →
Source: Cummins/Onan operator'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.