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  #1  
Old 10-23-2012
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Diesel Full Cutoff (Shutoff)

So on our 1979 Pearson, we have a pull diesel cutoff in the cockpit. Pulled out it protrudes approximately five inches. The rod of the pull is getting a bit rusty and should be replaced.

1) I can't seem to locate this part.

2) Has anyone replaced this type of pull with a different kind of shutoff that has a lower profile for a high traffic area? It would save a few shins in the future.
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Old 10-23-2012
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Re: Diesel Full Cutoff (Shutoff)

If the pull stop has a 5 inch throw it needs it to fully pull the cutoff lever below. If you can shorten that arm you'll shorten the throw (but it might get a bit harder to pull).

But I'm wondering why it needs to stay pulled out? Once the engine is stopped just push it back in...
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Old 10-23-2012
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Re: Diesel Full Cutoff (Shutoff)

Faster is correct. Just pull it out till it stops, then push it back in. Modern engines have a solenoid that interrupts the flow when a button is pushed. But it does the same thing as a pull knob.

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Old 10-23-2012
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Re: Diesel Full Cutoff (Shutoff)

Who made the control panel? That's you're best bet for finding a replacement for the rod.

Like others said, just push it back in when the engine stops. The control is just another teleflex-morse type control. Five inches is a long pull, on my boat it's like 2-3". There is a lever on you engine that should be spring operated that cuts the fuel off which this is connected to. Leaving the pull out will wear out the spring on the lever. It's a good idea to know where this is in case the cable ever breaks. If it's just surface rust i would just polish the cable.
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Old 10-23-2012
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Re: Diesel Full Cutoff (Shutoff)

I don't have the part number on hand (I could get it) but I replaced this part on my yanmar and don't recall having any trouble finding it. You don't say what engine you have but I don't see why the yanmar part wouldn't work if you really need to replace it.
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Old 10-23-2012
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Re: Diesel Full Cutoff (Shutoff)

My shutoff got damaged. I had to replace it. Found the part at a marine supply store. The new cable was long, so i cut it to fit. Works just fine.
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Old 10-23-2012
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Re: Diesel Full Cutoff (Shutoff)

I'm suspecting the rod is solid because it connects to a bellcrank or lever assembly of some kind and is expected to PUSH back in, not just pull out. In which case there's a reason for it to be a strong rod & to not mess with that.

Now on the other hand, there are plenty of ways to cure a grungy metal rod. Unhook it, disconnect it, and if you don't want to polish it up take it to any machine shop or chroming shop (motorcycle shops usually can point you to one) and just tell 'em "Takee Fixee" in your choice of chrome, black chrome, gold, whatever finish turns you on.

A shop that polishes and plates metal all day should be able to give it back to you lookingbetter than new, no need to fab up a replacement.
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Old 10-23-2012
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Re: Diesel Full Cutoff (Shutoff)

Some excellent advice already posted here. Engine makers do NOT make their own control cables for the most part - they just buy them from Morse. If you need a replacement, just measure the cable length and the size/thread of the end fittings - then buy a stock Morse cable replacement like this: Control Cable 33C 10' 120""

I agree with prior posts, 5 inches of cable pull seems excessive. Plus one also on the "push the shut-down back in after the engine stops"! If you need that engine again in an emergency, you don't want to be messing with the shut-down before you can start.
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Old 10-24-2012
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Re: Diesel Full Cutoff (Shutoff)

Just make sure the engine has actually stopped ie oil press buzzer comes on before pushing back in. It cost me dearly to learn this as engine tried to eat its exaust water. My pull is spring loaded and I let it slip.
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Old 10-26-2012
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Re: Diesel Full Cutoff (Shutoff)

I'll push it back in for now. Good idea. Maybe I'll look more closely at the rod. I might be able to polish it with a dremel. I do need to replace the momentary swithes for the glow plug and starter buttons.
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