What should I have for fuel lilters on the 6V53 in this motor coach?
At the time I got it it had two on the wall of the engine compartment but had them both by-passed running out of a 5 gallon can.
Bob Gil
VERY IMPORTANT-HOOK THOSE FUEL FILTERS BACK UP!!! (I realize this is temporary from the fire) I can't emphasize this enough!! You are risking ruining 6 injectors very quickly without the fuel filters in use. Detroit injectors have a very fine screen in the injector that can become clogged and then you have to have all injectors pulled to have them serviced ($$$). Especially with only a 6V-53 in your RV, it is marginally powered to start with, clogged injector screens will just make them worse. Just get new filters for the ones you have. Make sure you first fill the filters before reinstalling and then when all the fuel lines are reattached (maybe buy new ones?) make sure you also pour fuel into the lines till full to eliminate as much air as you can before restarting. Maybe there is enough fuel lines left that you can have new ones made. Good Luck, TomC
I agree and I am trying to do just that. But i am not familiar with Detroit's.
Most of the trucks I have Had any thing to do with only had one.
This thing looks like he had it set up where he could change the filter with the change of a valve so he could change the filter used with out having to change one on the road. Intake going to both and and both going to the engine thou a valve.
I am trying to find out should there be two different filters and should they be in a special order? Should one of the had a water separator in it?
I wonder if it would be necessary to have it the way it was to avoid problems and save time on the road.
Bob the filters are not special napa # are 3118 and 3120 with it having the valves look around for an electric fuel pump for priming the engine good luck
Quote from: Bob Gil on February 28, 2008, 10:46:03 AM
I agree and I am trying to do just that. But i am not familiar with Detroit's.
Most of the trucks I have Had any thing to do with only had one.
This thing looks like he had it set up where he could change the filter with the change of a valve so he could change the filter used with out having to change one on the road. Intake going to both and and both going to the engine thou a valve.
I am trying to find out should there be two different filters and should they be in a special order? Should one of the had a water separator in it?
I wonder if it would be necessary to have it the way it was to avoid problems and save time on the road.
Bob,
Most of the detroits I have worked on had two fuel filters, a primary (NAPA # 3118) and a secondary (NAPA # 3120). Several of the first ones I worked on had shut off valves coming into the filters to keep from (1) having fuel from the tank flowing out while you have the filter off, or (2) if for some reason the fuel in the tank is lower than the filters while changing them fuel could return to the tank allowing air to be sucked into the lines! And then one day I found one that had shut off valves b4 & after the filters to avoid having problems of losing the prime or sucking air between the filters & the pump! I especially like this set up, (even though it shouldn't be a problem if the seals in your fuel pump are in good shape {yeah right! LOL!) and I even have added them on some buses I work on for these reasons! Just one less thing to worry about in my opinion! I would go out on a limb and guess that this is the set up you have rather than switching between the 2, but I'll not bet $ on it! By the way the 2 filters are not the same length if they are the normal Detroit filter set up and every one "I have ever worked on" from 71's, 92's, and even 50's & 60's series all use the same NAPA #'s I gave you above or an equivent cross # of a different brand. Now I have heard about and even seen several with the old style canister filters, but I have never had the pleasure of working on those! LOL!
;D BK ;D
Opps.... well see what happens when you get long fingered and type to long! LOL! Thanks LUVRBUS!
;D BK ;D
Thanks that is what I was trying to find out.
There is a electric fuel pump and I have noticed the priming dia on one of the post on here and it might be what it was there for orginally, it is now in the 5 gal can it is running off of.
I am going to need to reso all the hoses and this will help me know how I awnt to do it.
Thanks to all, for the help with stuip questions.
Well I am trying to go and see if I can get the breather filter out of the beast and get a few things off ot so I can get parts. hope I get home in time to get a little rst before time for bed. It comes too soon when you go to work at 3AM.
Bob
Bob, it's just pumping fuel to the fuel pump on the engine the way it is now fwiw
Industrail Diesel 817- 232-1071
Fbm Trading co 817-335-1987
1 of these outfits should have a used engine manual if you need one
Stewart and Stevenson will have new 1
Usually the fuel filters are plumbed where the fuel comes from the fuel tank, goes through a one way check valve then to the primary filter. Then it goes to the fuel circulating pump (on the end of the blower), then to the secondary filter then into the engine. This gives the fuel two filterings, whereas yours is plumbed just for longevity between filter changes. Good Luck, TomC