Yanmar 2qm15 Help

[skagroovy]

hello all my first post.... i just acquired a 1963 Tartan 27 is has a 2qm15 installed and was told it has not run since 1999 the fuel lines have been disconnected and it is missing the dip stick? any one know were i can get a dip stick?

any way any tips on reviving the beast i do not really want to haul it out and all my engine experience is with gasoline engines i am clueless.... i do have a manual and just since the fuel deliver system is not connected wanted to hear some set up recommendations and fuel priming tips....

thanks again....

[sailorchic34]

first does the crankshaft rotate?? Assuming it does, I would clean out the fuel tank and all engine fuel and oil filters and change the engine oil too. Bleed the fuel system.

Me I would crack open the high pressure lines at the two injectors. With the decompression levers depressed, and the seawater valve CLOSED, I would crank the engine for 10-15 seconds to get the engine oil distributed and maybe verify fuel leaks from the cracked up injector feed lines.

Assuming all is good, tighten the feed lines at the injectors, OPEN the raw water valve and see if it cranks up.

[Arch Stanton]

I have the same engine in my San Juan 28. I scanned in the Yanmar service manual for this engine a few months back. I will PM you a link to the PDF.

[perchance]

Bypass the main fuel tank and take fuel from a jerry can. Start it with WD40 to see if it fires and runs. If it runs or at least fires good, if not at least you will know if you have to yank it or not.

[capngeo]

They are a finicky bleed if you have air in the system.

My $0.02:

1. Verify engine is not locked
2. change oil
3. rig up clean fuel from a jug ABOVE the engine, use an outboard type primer bulb
4. start with the bleeder screw on the engine filter
5. progress to each fitting on the return (this engine does not circulate back to tank) squeezing fuel with the bulb
6. remove both injectors, squirt a few drops of motor oil in each cyl
7. as mentioned with cooling water seacock closed, turn engine over with the injectors out until fuel is coming from the lines where they connect to injectors
8. optional step is to connect injectors and observe the spray pattern
9. install injectors, connect fuel lines
10. open compression release and crank for 30 seconds to ensure lubrication
11. go have a beer
12. with injector fuel lines cracked (not loose) crank engine
13. if engine speed increases at all, tighten the front cyl injector fuel line
14. if it starts to sputter, tighten rear... if it runs fine, you're done
15. go have a beer

Don’t crank the engine for more than 30-40 seconds without a 5 minute rest (hence the beer) so your starter doesn’t overheat

DO NOT FORGET TO OPEN THE SEACOCK Don’t ask how I know this

Now that you have it running, change ALL rubber parts belts, hoses, etc. ESPECIALLY IMPELLER

Personally, I would evacuate the fuel tank and lines, clean the tank as much as possible, and refill with fresh fuel. I would replace all fuel filters and fuel lines to the engine.

[GordMay]

Greetings and welcome aboard the CF, skagroovy.

[PaulM]

Congratulations on your acquisition. A word of caution. If you check the spray pattern on the injectors be very careful place the end on the injectors in a tin can. The injectors spray fuel at high pressure that can puncture your skin. This can cause gangrene.

[skagroovy]

i think i can handle that, thanks for all the great input....last question what about the dip stick??? does any one have a part number ?
if the chances of me finding one are slim does any one mind getting some measurements so i can make or modify one.... many thanks.....