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Old 10 October 2010, 07:58   #11
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Hi Doug
I don't want to dampen your spirits, but, the twin filters are fitted after the fuel lift pump, so it's a positive pressure, so it would have leaked fuel out, not sucked air in.

The only other thing could be the lift pump is not pumping properly (i know you said you cleaned and inspected it) if you have a full fuel tank and you get on the plane the injector pump is below the top of the fuel supply, the injector pump will suck fuel in, if you have an near empty fuel tank it will struggle to pull in the fuel.

Hope this helps
Hi "Ah" good thinking that man!. I had plenty of diesel engine problems that were giving me similar issues this year, on various motors, all were air leaks, i guess i had a bit of tunnel vision going on, thanks for reminding me to get back on track with my head!!.

The only other thing i thought was dirt, as my tank was quite empty as i pulled into Kyle.
maybe she picked some up in the pick-up pipe and blocked it, allowing just enough fuel through at lower revs??
I would like to know what the pick-up looks like in the tank, but without removing the console i cant access the inspection cover ,its too far forward of the deck access panel.

Do you know if its a solid steel pipe, or a "clunk" rubber type inside the tank? Does it have a fine mesh filter head on it?
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Old 10 October 2010, 15:18   #12
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Doug, A common issue with these boats is condensation forming in the tank , especially if it isnt kept full. It has happened to me on several occasions coincedentally all on P22's ! Its obvious though as you will get water at the separator.
Good luck !
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Old 11 October 2010, 16:29   #13
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Doug
Pick up pipe is straight, about 1/4 inch dia and slash cut on the end, should be about inch or two off the bottom.

Are you sure you cant get the inspection plate off, i had mine off a couple of times, with the original tank, i think it was tight, but doable.
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Old 11 October 2010, 17:32   #14
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Pacific 22 first trip to Skye, problems again!!

Quote:
Originally Posted by highlandmarine View Post
Hi "Ah" good thinking that man!. I had plenty of diesel engine problems that were giving me similar issues this year, on various motors, all were air leaks, i guess i had a bit of tunnel vision going on, thanks for reminding me to get back on track with my head!!.

The only other thing i thought was dirt, as my tank was quite empty as i pulled into Kyle.
maybe she picked some up in the pick-up pipe and blocked it, allowing just enough fuel through at lower revs??
I would like to know what the pick-up looks like in the tank, but without removing the console i cant access the inspection cover ,its too far forward of the deck access panel.

Do you know if its a solid steel pipe, or a "clunk" rubber type inside the tank? Does it have a fine mesh filter head on it?
I think the boat has had a new deck fitted and the access panel is not anywhere near the metal tank inspection cover , its just impossible to get a spanner on the fasteners without getting a jigsaw to the decking???.
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Old 18 October 2010, 14:04   #15
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Only one thing for it then




Pete
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Old 18 October 2010, 15:45   #16
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Only one thing for it then


Pete
that looks so familier
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Old 18 October 2010, 15:48   #17
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when i did mine two 110 amp/hr went either side of the bearers on the outside, gives you more room in the console for your snack .
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Old 19 October 2010, 08:41   #18
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Only one thing for it then




Pete
Ouch!. Im not doing that til maybe next year, my deck is new "damn it".
Think i will drill a small access hole in the tank at the bottom, the bit i can reach, and see if any water comes out??.

She has been running ok since i drained and changed the filters and lines.
Im getting the injectors checked out next week and wouldnt mind having the injection pump checked out also, however i dont have the timing pin/plug for the CAV pump.

Just peace of mind and check timing is set ok too. Anyone help me out with timing data? or locking pins, tried all my usual car pin kits and nothing the right size.

Also when i bought her, the timing pin blanking screw on the pump was missing?.Which was causing oil mist down the engine on stb side. Still need a correct thread as its just capped off with a plastic bung at the moment.
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Old 19 October 2010, 13:07   #19
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Only one thing for it then




Pete
Wowsa .. the P22 must be a heavy old hull
.. never driven one
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Old 19 October 2010, 18:00   #20
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Wowsa .. the P22 must be a heavy old hull
.. never driven one
Mine came in at just under 2 1/4 tons with all the codeing kit, fuel etc.

If you want to drive one, wait till it's bad weather, then you will enjoy
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