F-28 Gas Tank switches

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shawzy44
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Location: Toronto, ON

F-28 Gas Tank switches

Post by shawzy44 »

Anyone have an F-28 with the l long range tank option?

I have 4 tanks (2 main mid ship and two in the engine room). I see some copper fuel lines that come into 2 manual brass switches mounted just under the engine hatches. The switches appear to be working but I can't for the life of me figure out why when I swap over to the spare tanks the fuel isnt flowing. It seems there must be another switch or something somewhere.

Any ideas?
Kevin

1979 F-28 "Rumset" w/ twin Chrysler 318's
2005 Mercury Marine 310 Sport w/ 15hp
Centre Point Landing, Bobcaygeon, Ontario
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Big D
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Post by Big D »

Simple stuff first! Any valves on top of the tanks that may be shut off?
She was a 1969 36 ft wooden beauty with big blue 440s that we'll miss forever.
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pnmudge
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Re: F-28 Gas Tank switches

Post by pnmudge »

shawzy44 wrote:Anyone have an F-28 with the l long range tank option?
No... but I wish! we just have the two tanks midship, and it would be awesome to carry more fuel.

*sigh*

We have fuel shut-offs everywhere, but i haven't explored them yet. Shut-offs in the cabin near each tank, shut-offs at the engine, and then some "switches" under the engine hatch floor (on the cabin door side).
F-28 1976
twin 318 Chrysler
gofish103
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Post by gofish103 »

Are you sure the tanks in the engine room are fuel?? on my F28 the tanks are fresh water tanks!!
larryeddington
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f28 fuel tanks

Post by larryeddington »

My two tanks in engine room are also fresh water tanks. I doubt fuel tanks would have been allowed in the engine room but I do not know where they hid the extra 50 gallon tank that was an option. Ask Bob or Don at Beacon Marine.

Larry
Larry Eddington
1984 F-36 Tri Cabin "The Phoenix II"
1978 F-28 "The Phoenix"
Fish Master 2350 Bay Boat
9.5' Dink
gofish103
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Post by gofish103 »

I believe it was put behind the hot water tank. I really doubt it is in the engine room.
shawzy44
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Post by shawzy44 »

I will have to take some photos to post.

Thanks.
Kevin

1979 F-28 "Rumset" w/ twin Chrysler 318's
2005 Mercury Marine 310 Sport w/ 15hp
Centre Point Landing, Bobcaygeon, Ontario
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captainmaniac
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Post by captainmaniac »

Looking at my 1979 manual (its not model-specific), and they don't really say much about the F-28 config with optional additional fuel. For F32 and above with a second pair of tanks there is a set of 4 shutoff valves at the bulkhead, plus the 'crossover' valve. For the F-28 they only depict a 2-tank setup (one shutoff valve for each side plus the crossover valve), but the labelling underneath reads "F-28 Sedan, Twin Screw, with standard and optional fuel (Model 280)" ...

Doesn't appear you have a separate set of valves, so best I can figure is your additional tankage just dumps into the primaries?
shawzy44
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Location: Toronto, ON

Post by shawzy44 »

Captainmaniac,

I do have two switches (manula brass winged) on aft bulkhead in the engine bay, I think my issue is locating 'crossover' valve. I would have thought the same as you -gravity fed from the 2nd tank(s) to the 2 primary's. But nope.

Thanks.

I will take photos this weekend when I am up at the boat and I guess I need to clmb around and follow the copper fuel lines back.

Kevin.
Kevin

1979 F-28 "Rumset" w/ twin Chrysler 318's
2005 Mercury Marine 310 Sport w/ 15hp
Centre Point Landing, Bobcaygeon, Ontario
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