Just posting some vids I made in case this helps future searches, after a lot of my google searches to try and figure out my generator issue.
This was for my 2008 Winnebago Tour, but the geni info can apply to many makes/models.
Hope it helps someone.
The first covers the fuel filter. The second is for the pump.
https://youtu.be/mE3XJhgSMOo?feature=shared
https://youtu.be/2wYgrL72tmg?feature=shared
key words: Cummins, QD, RV, prime, won't start