Cummins/Onan 50.0 DDB 15R / 50.0 DDB 15R J 1 Q — Tank Heater Annual Service
Maintenance · Kim Tank Heater
For the Cummins/Onan 50.0 DDB 15R / 50.0 DDB 15R J 1 Q, from the Cummins/Onan operator's manual.
Applies to: Cummins/Onan 50.0 DDB 15R, John Deere 6329D engine
Before you start
- When reassembling threaded aluminum parts, be sure to use anti-seize compound.
Procedure
- Remove head and valve assembly.
- Clean foreign matter out of the tank.
- Remove element and scrape off scale accumulated on the sheathing.
Full service-parts list: Cummins/Onan 50.0 DDB 15R →, John Deere 6329D engine →
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.