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Search: Posts Made By: miamiz
Forum: Diesel   05-20-2012
Replies: 41
Views: 5,046
Posted By miamiz
Re: Runaway Yanmar 2qm15 HELP!

Yanmar 2qm15 Runaway - YouTube
Forum: Diesel   05-20-2012
Replies: 41
Views: 5,046
Posted By miamiz
Re: Runaway Yanmar 2qm15 HELP!

Yanmar 2qm15 Injector pump movement problem - YouTube (http://youtu.be/SSwTOerI8-c)
Forum: Diesel   05-20-2012
Replies: 41
Views: 5,046
Posted By miamiz
Re: Runaway Yanmar 2qm15 HELP!

Yanmar 2qm15 Runaway 2 - YouTube
Forum: Diesel   05-20-2012
Replies: 41
Views: 5,046
Posted By miamiz
Re: Runaway Yanmar 2qm15 HELP!

Yanmar 2qm15 Runaway - YouTube
Forum: Diesel   05-20-2012
Replies: 41
Views: 5,046
Posted By miamiz
Re: Runaway Yanmar 2qm15 HELP!

I was referring to the injector pump (sorry). It has shims that control the height that the injector pistons ride above the cam lobes. Too low and it pumps too much fuel. In my case loosening a...
Forum: Diesel   05-19-2012
Replies: 41
Views: 5,046
Posted By miamiz
Forum: Diesel   05-19-2012
Replies: 41
Views: 5,046
Posted By miamiz
Re: Runaway Yanmar 2qm15 HELP!

Finally got out to the boat today. Took off the gear cover and tried to set cylinder one (Fly wheel side) to TDC. The timing mark lands 180 degrees away from the cam gear. So there is no way that...
Forum: Diesel   05-15-2012
Replies: 41
Views: 5,046
Posted By miamiz
Re: Runaway Yanmar 2qm15 HELP!

Will, Thanks for the tip. Yes I removed everything from the engine during the rebuild. When I inserted the pump I did make sure the rack ball was inserted in the throttle control assembly. It's...
Forum: Diesel   05-14-2012
Replies: 41
Views: 5,046
Posted By miamiz
Re: Runaway Yanmar 2qm15 HELP!

Hey Paul. I keep my boat on a city moring. Went out there on Saturday but they shut down the shuttle boat that takes residents to their boat. 15MPH winds and 1 foot swells and the guy has the nads...
Forum: Diesel   05-10-2012
Replies: 41
Views: 5,046
Posted By miamiz
Re: Runaway Yanmar 2qm15 HELP!

You guys are great troubleshooters! However a truly seasoned mechanic would ask the the most relevant questions first. Which should be..........wait for it........ "are you Polish by chance?" ...
Forum: Diesel   05-10-2012
Replies: 41
Views: 5,046
Posted By miamiz
Re: Runaway Yanmar 2qm15 HELP!

Thanks Paul for your help. The 2QM15 is a pretty simple engine..no glow plugs or turbos or anything. Just fuel, air and combustion (which makes this that more frustrating!). I did take the injector...
Forum: Diesel   05-09-2012
Replies: 41
Views: 5,046
Posted By miamiz
Re: Runaway Yanmar 2qm15 HELP!

I have no idea if the shims were put back in the same order. If they are off would that cause excessive fuel to the injectors? On the second disassembly there was oily residue on both pistons and...
Forum: Diesel   05-07-2012
Replies: 41
Views: 5,046
Posted By miamiz
Re: Runaway Yanmar 2qm15 HELP!

Yeah that's one of the things I want to check when I get out there again. Think I will disconnect the throttle limiter and manipulate the injector pump manually. Thanks
Forum: Diesel   05-07-2012
Replies: 41
Views: 5,046
Posted By miamiz
Re: Runaway Yanmar 2qm15 HELP!

After thinking, the injector pump is external but has a lifter arm into the crank case and actuated by the cam. However, having just rebuilt the engine and new oil, I don't think that on first start...
Forum: Diesel   05-07-2012
Replies: 41
Views: 5,046
Posted By miamiz
Re: Runaway Yanmar 2qm15 HELP!

Thanks Paul. Just got back from the injector shop. Had my injectors flow tested and they are fine. The injector pump was professionally rebuilt also. The lift pump on the 2QM is external. Now...
Forum: Diesel   05-07-2012
Replies: 41
Views: 5,046
Posted By miamiz
Re: Runaway Yanmar 2qm15 HELP!

Thanks for your replies. First the throttle cable is not connected at this time but I've turned it while the engine is running and it will rev faster but not slower (strange). I have had the...
Forum: Diesel   05-06-2012
Replies: 41
Views: 5,046
Posted By miamiz
Runaway Yanmar 2qm15 HELP!

A few month back bringing Kare Knot down the intercoastal a slow oil leak caused my oil level to run low. Since it was coming from the back of the engine I decided to pull the engine and change all...
Forum: Electrical Systems   10-22-2011
Replies: 1
Views: 840
Posted By miamiz
Voltage drops when engine on?

I'm having a problem with my old Yanmar 2QM15. When the engine is on it drains the battery. I thought it was the altenator and bought another still has the same problem. So with a fully charged...
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