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Old 02 November 2005, 08:48   #21
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I'm sorry guys but you are wrong.

If you look at the Optimax manuals it clearly says you should not fit additional filters in the fuel system.

The engine has its own filters and seperators so it does not need any more externally mounted.


Don't know about Opti but my Evinrude Ficht has own filter and seperator on engine but which became overwhelmed more than once earlier this year due to water having got into inboard tank. After lots of hassle and draining tank problem was resolved. Was probably due to a mixture of codensation due to boat lying unused before my purchase; the natural element of water in fuel; filling up from village garages in rural Scotland directly into tank and also using jerry cans to top up.
In any event was recommended by main Evinrude agent to fit RACOR inline water seperator/filter (about 65). He considered it important on a bigger engine. Anyway, never regretted it as it works well. Even after draining and cleaning tank am still getting a very small amount in the glass bowl which can be both easily seen and emptied. Worth the money and precaution after limping back on aux. a couple of times at the start of season.
Also, did my Intermediate course in a 8m Humber with a Honda 200 (fitted engine filters) which could only be filled from cans due to its location. Boat in use daily for training/commercial use. Had 2 Racors fitted in line and skipper swore by them and after a few hours we saw for ourselves what he meant. So much so, they were checked routinely along with the oil level etc.

May not be the same problem if filling up from major supermarkets but then fishing skippers told me they put a lot of emphasis on checking their water seperators for their diesel. Occupational hazard they say!
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Old 02 November 2005, 20:34   #22
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I just came across a pic of the Lancing filter.
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Old 03 November 2005, 02:44   #23
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Originally Posted by jwalker
I just came across a pic of the Lancing filter.
Which is the one I have fitted... very reassuring to look at it and "see" what's in your fuel... although, if anyone can tell me how on Earth, wood pulp got in theire, I'd appreciate it.....
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Old 03 November 2005, 06:54   #24
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You were scratchin' your head as you filled the tank.
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Old 03 November 2005, 06:57   #25
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Originally Posted by jwalker
You were scratchin' your head as you filled the tank.

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Old 03 November 2005, 07:47   #26
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You were scratchin' your head as you filled the tank.
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Old 03 November 2005, 10:26   #27
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Glass/Plastic fuel filter bowls

One thing that you may want to consider is whether a glass or plastic (sight glass) type filter is sufficiently impact resistant for your proposed application. If you are mounting them on the transom, rather than in a engine bay, then they are highly likley to get whacked at some point. I.e. coming onto the plane or in any rough stuff. It depends on whether you carry much kit, but if something heavy hits a glass bowl then that could give you problems.

This is just a suggestion.

I thought that there may be something relating to this on MCA Coded boats, but I couldn't find anything on the web, so I may have just made it up!

cheers.

t
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Old 03 November 2005, 11:00   #28
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Originally Posted by Tideway
One thing that you may want to consider is whether a glass or plastic (sight glass) type filter is sufficiently impact resistant for your proposed application. If you are mounting them on the transom, rather than in a engine bay, then they are highly likley to get whacked at some point. I.e. coming onto the plane or in any rough stuff. It depends on whether you carry much kit, but if something heavy hits a glass bowl then that could give you problems.

This is just a suggestion.

I thought that there may be something relating to this on MCA Coded boats, but I couldn't find anything on the web, so I may have just made it up!

cheers.

t

Very valid point though!!! It is a wonder they don't have cages to go around them like you see on air compressors water traps.
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Old 03 November 2005, 11:21   #29
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Well, I don't carry anything in the boat that isn't in a locker or nailed down, so all I've got to worry about is pax sliding about... and if they manage to break it, where it's mounted we're in deep doo-doo anyway......

Compressor filters/separators are caged because of the chance of them exploding from internal pressure after a knock....
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Old 03 November 2005, 11:48   #30
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Very valid point though!!! It is a wonder they don't have cages to go around them like you see on air compressors water traps.
because you just might want to take it apart in a hurray, clean it out and put it back together before you are blown onto a lee shore. The CAV glass ones look like pyrex type glass, very tough. Haven't managed to break one yet despite it being on a club dive boat with lots of cylinders and weight belts for the past 8 years.

Pete
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