Fuel Priming Pump.

I believe my fuel priming pump no longer functions. The fuze appears to be intact, so i suspect the pump. Any suggestions for replacing it (type, etc.). Yes, I understand that all valves must be closed prior to replacing!


Jim
Sent from my iPad using Trawler Forum

Sure, get a facet 40288
Best price I have found is here
FACET SOLID STATE ELECTRIC FUEL PUMPS from Aircraft Spruce
This one has great lift capacity.
It is the same pump as Seachoice 20341
Cube Fuel-Pumps | Motor Components, LLC | Facet Purolator
How much pressure do you need?

I use ones that look like this. Rated at 30+ gallons/hour. About $16 on ebay. I use them inline for secondary fuel filter changes and as an emergency backup.

PosiFlow Facets are a little cheaper
I just linked to the other since I know it is USCG approved for gasoline, and I may be buying one.
Some of these are 40GPH with a 50" dry lift.
FACET POSI-FLO SOLID STATE FUEL PUMPS from Aircraft Spruce

I know the dry lift of the 40288 at 36" is genuine, I tested it.
Aircraft Spruce, also does not gouge on shipping, I can get one using USPS for about $5, which is good.

Thanks guys. I will look into these. I presume they are ok for diesel? Also, I believe it is just required for priming the fuel filters in lieu of the manual lift pump on the FL135.


Jim
Sent from my iPad using Trawler Forum

JDCAVE said:

Thanks guys. I will look into these. I presume they are ok for diesel? Also, I believe it is just required for priming the fuel filters in lieu of the manual lift pump on the FL135.


Jim
Sent from my iPad using Trawler Forum

Click to expand...

Fine for diesel or gasoline and some more too.
I know the good pumps have a good suction lift, a cheaper pump I don't know about that.

sdowney717 said:

Fine for diesel or gasoline and some more too.
I know the good pumps have a good suction lift, a cheaper pump I don't know about that.

Click to expand...

What's the duty cycle of these?

mbevins said:

What's the duty cycle of these?

Click to expand...

Continuous duty, I use them on generators and right now have it as a primary pump on a v8 boat engine.Facet pumps are electronic driven, no points. They use a plunger and an electromagnet.

sdowney717 said:

Continuous duty, I use them on generators and right now have it as a primary pump on a v8 boat engine.Facet pumps are electronic driven, no points. They use a plunger and an electromagnet.

Click to expand...

I'm thinking of using them as a primer for my 6-71's.
Do you think I could use it to transfer fuel ? I've got about 90gals in a reserve tank that I would like to move to primary from time to time.

mbevins said:

I'm thinking of using them as a primer for my 6-71's.
Do you think I could use it to transfer fuel ? I've got about 90gals in a reserve tank that I would like to move to primary from time to time.

Click to expand...

I have 671s and they will supply enough fuel if the mounted pump should fail. I have them inline and the stock pump pulls thru ok. I mostly use them to top off secondary filter or to flood lines when I've had them open. They should run continuously as long as fuel is going thru for cooling. I have run mine for as long as 1/2 hour. For fuel transfer it would take nearly 3 hours to move 90 gallons.

JDCAVE,
If possible could you please post a diagram showing where in your fuel system you place the fuel priming pump in relation to filters and valves
Thank you,
-David

petdoc4u said:

JDCAVE,
If possible could you please post a diagram showing where in your fuel system you place the fuel priming pump in relation to filters and valves
Thank you,
-David

Click to expand...

I put a Walbro in-line. After my primary filters, but before my 3 way distribution valve which either recirculates/moves fuel from tank to tank, or to my engine. Since it's a pass through design, it only gets turned on when I want to recirculate, move fuel or prime filters..

mbevins said:

I'm thinking of using them as a primer for my 6-71's.
Do you think I could use it to transfer fuel ? I've got about 90gals in a reserve tank that I would like to move to primary from time to time.

Click to expand...

Sure, the 40GPH Posiflow would be a quicker transfer.
And has a 50" dry lift capability.
these pumps use very little power, maybe 1 amp DC.

Another Link
https://www.pegasusautoracing.com/group.asp?GroupID=FACET

I was wondering since Aircraft Spruce sells for airplanes, maybe the Facet pumps are considered very reliable.

Many of these inline DC pumps are used on RV to feed a gen set.

They operate there 24/7 as required.

petdoc4u said:

JDCAVE,
If possible could you please post a diagram showing where in your fuel system you place the fuel priming pump in relation to filters and valves
Thank you,
-David

Click to expand...

David the only photo I have is posted above. I believe it has failed, probably due to "operator error". As mentioned, I believe it is located on the fuel line between the primary and 2ndary filters.


Jim
Sent from my iPad using Trawler Forum

JDCAVE said:

David the only photo I have is posted above. I believe it has failed, probably due to "operator error". As mentioned, I believe it is located on the fuel line between the primary and 2ndary filters.

Jim
Sent from my iPad using Trawler Forum

Click to expand...

You would have to be careful to watch the volume of fuel your engine needs vs the ability of these pumps to pass that volume inline with your primary pump.
I know I can't do it with my. 6-71's but that's a much higher HP engine then most.

Thanks for your response. Seems like the aux electric primer pumps are either in line or on a dedicated loop with valves. Seems they can be mounted before primary filters or after primary filters, before manifolds or after etc. Which are the most correct set ups and which are to be discouraged? Thinking of installing a primer pump and want to do it correctly. Thanks for everyones input.
-David

Most new little electrical fuel pumps only pump on demand...any resistance and they don't pump I guess.

When in doubt, check the specs.

Fuel is best sucked thru a filter so the pump operation does not mix the water and fuel , making the water easier to remove.

I installed this nine years ago. I use it for filter changes on the engine/generator primarily. It's great for bleeding the system when I change filters or clean the Racor filter housings. I did use it once for a fuel transfer pump but it's slow but will run generator/engine if needed. It's between the tanks and the first filters before the generator/engine.

I bought it at one of the auto chain stores for about $50. I don't have the specs in front of me but I believe it's 4-7 psi. Before I bought the pump, I called AD and NL for the their specs and I matched it to the appropriate pump.

Cube Fuel-Pumps | Motor Components, LLC | Facet Purolator