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Go Back   SailNet Community > On Board > Gear & Maintenance > Engines > Diesel > Priming problem
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Diesel This is a forum dedicated to diesel engines and their applicable accessories.


Thread: Priming problem Reply to Thread
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Topic Review (Newest First)
05-02-2011 03:00 PM
lonnieray Problem solved!!! Thanks for the community's help. We secessfully got the engine primed and started! The suggestions about making sure the manuel pump was fully extended and rotating the cam was especially helpful.

Thanks again..........Lonnie
04-30-2011 07:56 PM
Omatako
Is ABYC thinking straight?

Quote:
Originally Posted by JimsCAL View Post
The issue is that priming bulbs don't meet the ABYC regulations for below deck fuel lines. Wouldn't be permitted in a new boat and could be flagged during a survey. If there's a fire and insurance company determines it was installed by the owner, it could be a problem.
Is there a logical reason why the ABYC believes the bulbs to be risky? It is easy enough to get bulbs from OE manufacturers that have been properly crimped to the lines and the connections are way better than clamped connections commonly found on the other end of the lines where the average boat owner routinely connects them to filters and tanks. Is it the flexibility of the bulb itself that causes it to be deemed risky? Or is it some dumb-a$$ed bureaucrat earning his living?

Also about insurance companies - it is a long held fallacy that insurance companies actively hunt down reasons not to pay reasonable claims. If a fire is directly caused by negligence, it may be good cause for a rejection but the fire would have to be caused by the fuel that leaked from the dodgy DIY repair, not for example from the galley stove and coincidentally there is a DIY connection in the engine room.

When it is all said and done, all insurance claims are derived from someone's incompetence, whether it be driving your car badly, leaving the front door of the house unlocked, forgetting your I-phone on the park bench, diving into the pool with your digital camera in your pocket, sailing your boat into rocks, doing your own maintenance, the list is endless and all of them will be paid out. Those claims that are not derived from human error are often named "Act of God" and this is the most likely area of claim rejection.

Sorry, I'll stop now before this becomes a thread hijack.
04-30-2011 09:21 AM
JimsCAL
Quote:
Originally Posted by Omatako View Post
Does this mean that all boats fitted with larger outboards are not insured? Because most of them have bulbs permanently plumbed into the line.

I have a 15hp (gasoline) outboard on my dingy with a permanently installed squeeze bulb. I coincidentally also have one on the main engine (diesel). Nothing in my policy alludes to them being even undesirable let alone banned.

My son-in-law has twin 90hp outboard motors on his fishing rig both have bulbs permanently installed. He's never had a problem with insurance cover.

Also diesel is generally not considered a fire hazard by insurance companies or at least none of those that I have insured with.

Just asking . . . .
The issue is that priming bulbs don't meet the ABYC regulations for below deck fuel lines. Wouldn't be permitted in a new boat and could be flagged during a survey. If there's a fire and insurance company determines it was installed by the owner, it could be a problem.
04-30-2011 12:31 AM
Omatako
Quote:
Originally Posted by RichH View Post
A squeeze bulb permanently mounted in a fuel line in the interior spaces of a boat would be high probable cause for your insurance carrier to drop or 'not acknowledge' your policy especially in the case of any claim that involved 'fire'.
Does this mean that all boats fitted with larger outboards are not insured? Because most of them have bulbs permanently plumbed into the line.

I have a 15hp (gasoline) outboard on my dingy with a permanently installed squeeze bulb. I coincidentally also have one on the main engine (diesel). Nothing in my policy alludes to them being even undesirable let alone banned.

My son-in-law has twin 90hp outboard motors on his fishing rig both have bulbs permanently installed. He's never had a problem with insurance cover.

Also diesel is generally not considered a fire hazard by insurance companies or at least none of those that I have insured with.

Just asking . . . .
04-29-2011 09:53 PM
arf145
Quote:
Originally Posted by MARC2012 View Post
Are you sure it is pumping,on most motors engine must be in certain position for it to pump.marc
I had this happen to me on my Yanmar 2GM20F. I had no experience with it, and couldn't tell that the little lever was barely moving because the the cam was at the peak. Turn the motor a bit by hand if this is the case. When the Yanmar pump is working you can feel a little resistance and a real pumping feel.
04-29-2011 09:03 PM
CaptainForce
Quote:
Originally Posted by lonnieray View Post
...............but our book said not to fill the secondary filter...........
Somebody tell me why! It seems to me that all normal starts would be with no air in any of the fuel filters. Why not have them full of fuel?
04-29-2011 08:17 PM
THEFRENCHA You can alway try this :
Disconnect fuel line that goes between manual pump and filter
Disconnect at filter/ incoming side
Pump
Nothing coming out ...Then SV Prairoerose is right You may just have run out of fuel! There is very little chance that the manual pump would be defective
Fuel coming out ? Reconnect and now disconnect on the outgoing side of your filter Filter could be blocking if not inside properly
Other simple way Remove filter and try without

But remember that if you try these you are adding more air and will have to bleed
04-29-2011 04:01 PM
SVPrairieRose Dumb question, but not so if its the right question... are you out of fuel? Any chance you pulled the line of the pickup?
04-29-2011 01:28 PM
lonnieray It is a Yanmar 2GM20R 1986. We have successfully primed previously. We filled the sfprimary fuel filter, but our book said not to fill the secondary filter. The manuel fuel pump does not have the feel of resistance and pushing fuel through as it did previously.
04-28-2011 06:34 PM
CaptainForce I continue to be a great fan of the turkey baster. I find I'm able to remove a lot of air faster if I can pour a little diesel into the highest points at hose fittings or opened ports. This with a little electical or machanical fuel pump activity and bubble release from a bleed screw will shorten the task. Take care an djoy, Aythya crew
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