After my clogged separator scare, I have gone to draining the water separator every 2-3 weeks. I have yet to get any water out of it but I drain out about a quart of fuel out of it anyway. I have also gone to changing the fuel filters every 5,000 miles instead of every 10,000.
Master Chief, USN (Ret) / 50 Ton USCG Master
Judge Yachts 27 Chesapeake
F-250 6.4L Powerstroke Diesel
Two types of Ships: Submarines & Targets