hello all, am in the process of prepping my Iveco daily express for some long distances. I've put a long range fuel tank on and am wondering if it's worth installing a second fuel filter or just rely on the primary one?
Also any recommendations on which might be worth purchasing, that is if the general advice is to do it.
Hi aussie paul, You would put them in series. In the 'good ol' days' all working diesels had two filters in a unit together. The idea was the first one took out most of the crap and also had a glass bottom so you could check for retained water easily and drain it if some was found. This meant the second filter could retain all the remaining dirt and none would get to the motor. So you replaced the first one more often to keep it all working well.
For example below a filter system on an old tractor. A good idea if you want trouble free motoring. Those filter elements were cheap as chips too !!
Jaahn
-- Edited by Jaahn on Friday 6th of March 2015 09:08:15 AM
-- Edited by Jaahn on Friday 6th of March 2015 09:09:38 AM
Fitted the Lucus/Cav type filters with the glass bowl inside the battery door on the Coaster for easy access, its before the factory filter & gives me filtered fuel for the diesel heater as well, amazing how much crud it collects. Also fitted a outboard type primer bulb to make bleeding the filters/fuel system easier.
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Hi aussie paul, You would put them in series. In the 'good ol' days' all working diesels had two filters in a unit together. The idea was the first one took out most of the crap and also had a glass bottom so you could check for retained water easily and drain it if some was found. This meant the second filter could retain all the remaining dirt and none would get to the motor. So you replaced the first one more often to keep it all working well.
For example below a filter system on an old tractor. A good idea if you want trouble free motoring. Those filter elements were cheap as chips too !!
Jaahn
-- Edited by Jaahn on Friday 6th of March 2015 09:08:15 AM
-- Edited by Jaahn on Friday 6th of March 2015 09:09:38 AM
Ah ha Jaahn, remember them from my farming and trucking days over 40 years ago. My most recent experience has been with Subaru engines on Gyrocopters, both carby and fuel injection. I would have loved to put one of the later car diesel engines in my aircraft. I am more experienced with the debate on redundant fuel pumps to be either in series or parallel.
I'm going to put in a Stanadyne fuel filter with a glass bowl for easy checking before the primary filter. Apparently the filters are relatively inexpensive and more importantly for me, easy to replace. I'll also mount it where it is really easy to see and get to.
The prefilter is going to be 30 micron to allow free flow of fuel but also get rid of the larger particulate 'stuff' as well as the water.
