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04-07-2014, 02:27 PM
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#1
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Senior Member
Join Date: Sep 2010
Posts: 297
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Spare fuel filters
So, your on the road & you suddenly need to change out your fuel filters due to bad fuel. How do you pre fill the filters before installing? I just bought my spares & started to think about the source of fuel for the filters, if needing changing on the road. I have an ISL 350HP side radiator.
Thanks for any info.
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04-07-2014, 03:14 PM
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#2
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Member
Join Date: Oct 2013
Posts: 46
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On my ISC I cycle the key off & on 4-5 times & the lift pump fills the filters.
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04-07-2014, 03:26 PM
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#3
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Senior Member
Entegra Owners Club
Join Date: Apr 2007
Location: SW FL
Posts: 31,735
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That is the nice part about an ISL, it does not need to be pre-filled. There is a section in the owners manual on changing the fuel filter and sewmun is correct. Leave the key on for 30 seconds at a time before trying to start it. If it doesn't start, repeat the steps again until the air is bled off.
__________________
Chuck in SW FL
Digital 2021 Cornerstone "B"
A "Digital" 2019 Cornerstone "B" Traded
A "Classic" 2014 Anthem 42 RBQ---Sold
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04-07-2014, 03:51 PM
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#4
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Senior Member
Newmar Owners Club Solo Rvers Club
Join Date: Jul 2012
Location: NEPA
Posts: 142
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Quote:
Originally Posted by brobox
That is the nice part about an ISL, it does not need to be pre-filled. There is a section in the owners manual on changing the fuel filter and sewmun is correct. Leave the key on for 30 seconds at a time before trying to start it. If it doesn't start, repeat the steps again until the air is bled off.
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Most cats have a hand pump by the filter head..
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DSDP 4320 ISL 400
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04-07-2014, 04:07 PM
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#5
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Senior Member
Entegra Owners Club
Join Date: Apr 2007
Location: SW FL
Posts: 31,735
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Quote:
Originally Posted by Chow5656
Most cats have a hand pump by the filter head..
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Except an ISL and an ISC are Cummins and pumping is not required.
__________________
Chuck in SW FL
Digital 2021 Cornerstone "B"
A "Digital" 2019 Cornerstone "B" Traded
A "Classic" 2014 Anthem 42 RBQ---Sold
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04-07-2014, 05:39 PM
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#6
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Senior Member
Texas Boomers Club Oklahoma Boomers Club Nor'easters Club Spartan Chassis
Join Date: Jun 2007
Posts: 533
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The dreaded 2 filter deal. My filter mounted on the engine will fill itself. The primary ( closest to the tank) will partially fill, from gravity I guess.
This may be overkill but I carry a small can of diesel to fill the filter and a drain pan to catch what comes from the old filter that is replaced. What to do with the contents of a filter can be a problem.
The days of dumping fuel at the side of the road or in a rest stop parking lot may be gone or at least leaving.
Asking my wife to hold a garbage bag with a filter full of fuel as we go down the road, never seemed like a good thought either.
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2016 Bay Star Sport downsize from 2001 MountainAire
Toad GMC Terrain, might leave it home on some trips.
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04-07-2014, 06:06 PM
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#7
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Senior Member
Join Date: Dec 2011
Location: Corinth, MS
Posts: 485
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Ok, just a question, friend of mine has 2008 with 300hp Cummings, not sure of ISC Isl, now the filter that got him stranded was on the frame? He has the water seperator in the back and a filter on the engine, I know cars and trucks with gas motors have a fuel filter on the frame, but never heard of a motor home filter on the frame
Thanks
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Mike & Becky
2005 Holiday Rambler Navigator 45PBQ
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04-08-2014, 05:46 AM
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#8
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Senior Member
Monaco Owners Club Texas Boomers Club
Join Date: Jan 2009
Posts: 2,529
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Quote:
Originally Posted by Frutza
Ok, just a question, friend of mine has 2008 with 300hp Cummings, not sure of ISC Isl, now the filter that got him stranded was on the frame? He has the water seperator in the back and a filter on the engine, I know cars and trucks with gas motors have a fuel filter on the frame, but never heard of a motor home filter on the frame
Thanks
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The CUMMINS (no G) depends on the motorhome mfg. if second fuel filter is installed. Most Monaco's will...
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Hal & Ginny Miller '04 Beaver Santiam PRT40
'04 Saturn Vue - US Gear Brake - Blue Ox tow
3"girls" (2 Irish Setters - 1 Retriever) - RIP Annie & Emily (12/26/2017)
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04-08-2014, 01:35 PM
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#9
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Senior Member
Fleetwood Owners Club American Coach Owners Club
Join Date: Mar 2011
Posts: 6,768
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Like hillboy, I carry enough fuel in a small fuel can to prefill my two filters. I also carry a boat funnel/filter that provides an additional filter for that fuel as I'm putting it in the new filters. Although I have an ISL, I've found this method works better than turning the key on and off a half dozen times.
__________________
2014 American Eagle 45T
DD 13, 500 HP
Pulling a Honda CRV
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04-08-2014, 05:22 PM
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#10
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Senior Member
Texas Boomers Club Oklahoma Boomers Club Nor'easters Club Spartan Chassis
Join Date: Jun 2007
Posts: 533
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Boat funnel filter that sounds handy around the farm.
__________________
2016 Bay Star Sport downsize from 2001 MountainAire
Toad GMC Terrain, might leave it home on some trips.
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04-08-2014, 05:28 PM
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#11
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Senior Member
National RV Owners Club
Join Date: Feb 2012
Location: Spokane Valley, Wa
Posts: 1,987
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Also used in small aircraft
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Art
1999 Trade Winds 7371 Cat 3126B w/current upgrades
1990 D 250 Dodge Ram Cummins Turbo
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04-08-2014, 07:47 PM
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#12
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Senior Member
Freightliner Owners Club
Join Date: Mar 2002
Location: Western WA
Posts: 1,294
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Quote:
Originally Posted by Frutza
Ok, just a question, friend of mine has 2008 with 300hp Cummings, not sure of ISC Isl, now the filter that got him stranded was on the frame? He has the water seperator in the back and a filter on the engine, I know cars and trucks with gas motors have a fuel filter on the frame, but never heard of a motor home filter on the frame
Thanks
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Freightliner installs a Racor 20 micron 'inline filter' inside the passenger side frame rail just aft of the tires. You need six foot long arms and vise grip fingers to change it from underneath. I was unable to get to mine while working from a flat floor so I took it to a nearby Freightliner dealership where the tech was able to change it easily while standing on a ladder in a maintenance pit.
__________________
Sold the Motorhome, joined the fully retired gang. '07 Winnebago Journey 34H, ISB-02, MH2500
Toad - '08 Ford Taurus X, Blue Ox, Aventa
US Gear UBS
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04-09-2014, 12:29 PM
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#13
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Senior Member
Forest River Owners Club
Join Date: Aug 2002
Location: ...East Texas
Posts: 5,325
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Manual for my ISC clearly says "Do NOT pre-fll fuel filter, and gives procedure to purge air by turning key on and off. Last time I changed one (only one on mine) on the road, after priming it died after running a few seconds. Did it again, twice for good measure, and it ran fine then. I put the used filter upright in my wash bucket until I could dispose of it. I have used the priming procedure after having it changed by mobile service guys too.
__________________
Paul (KE5LXU) ...was fulltimin', now parttimin'
2022 Coachmen Leprechaun 319MB
towing 2017 Jeep Grand Cherokee Limited
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04-09-2014, 08:03 PM
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#14
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Senior Member
Fleetwood Owners Club American Coach Owners Club
Join Date: Mar 2011
Posts: 6,768
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Quote:
Originally Posted by hillboy
Boat funnel filter that sounds handy around the farm.
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I like the built in filter the best, used it with a Yanmar sailboat diesel...found here: www.westmarine.com
__________________
2014 American Eagle 45T
DD 13, 500 HP
Pulling a Honda CRV
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