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Go Back   SailNet Community > On Board > Gear & Maintenance > Engines > Diesel > How do I remove engine control?
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Thread: How do I remove engine control? Reply to Thread
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Topic Review (Newest First)
07-16-2012 10:55 PM
jjablonowski
Throttle cable detents

Decatur, you said earlier that the control detents were loose or something.

Check inside where the cable ends are attached to the internal bell crank mechanisms. The cable is actually two parts: the cable itself and an outside sheath. One slides inside the other. Both must be firmly attached.

The sheath is affixed to the control mechanism by a clip that grasps it around a notched 'waist.' It's easy for that clip to come undone and, if so, the bell crank will move the entire cable--sheath and all--sloppily. That could be your problem.

Then again, it could be the ball bearings mentioned above.
07-16-2012 10:53 AM
decatur1945
Re: Neutral and Idle detents

Quote:
Originally Posted by jjablonowski View Post
If your engine control looks like the pix above, it could be an old Morse, now apparently out-of-production.

Internally, the contol is a series of disks sandwiched together around a central splined shaft. The detents for neutral on the transmission bell crank and for idle on the throttle bell crank are accomplished by spring-loaded balls and holes. That is, steel balls about 1/4 in. dia are pushed into slightly undersize holes in the adjacent disk.

If your shifter is sloppy, you may have lost your balls.

If that's the case, it could be an easy fix.
Good Lord! I hope I didn't lose them completely!!!!! I've looked around and haven't seen them lying about. Maybe that's where the practice of "checking your package" comes from!

I think what I'll do is wait until haul out this winter and go ahead and replace the controls. Now wonder if I'm going to have to rely on someone else to connect new cables. I'd assume I would need new cables.
06-12-2012 10:38 AM
deniseO30
Re: Neutral and Idle detents

Quote:
Originally Posted by jjablonowski View Post

If your shifter is sloppy, you may have lost your balls.

If that's the case, it could be an easy fix.

major oops there!
06-12-2012 09:04 AM
jjablonowski
Neutral and Idle detents

If your engine control looks like the pix above, it could be an old Morse, now apparently out-of-production.

Internally, the contol is a series of disks sandwiched together around a central splined shaft. The detents for neutral on the transmission bell crank and for idle on the throttle bell crank are accomplished by spring-loaded balls and holes. That is, steel balls about 1/4 in. dia are pushed into slightly undersize holes in the adjacent disk.

If your shifter is sloppy, you may have lost your balls.

If that's the case, it could be an easy fix.
06-11-2012 05:25 PM
decatur1945
Re: How do I remove engine control?

Glad a I ran across this thread. The control detents, need to be reset or something, you can never tell if the shifter is actually in nuetral, and the throttle doesn't really have a limit on it. Was thinking about replacing the whole thing. The cost is pretty high for a new one, but can't find an exact replacement.

Anyone know what the manufacture of this unit is? I have a westerbeke diesel in a cape dory.
06-09-2012 08:51 AM
jjablonowski
Re: How do I remove engine control?

Quote:
Originally Posted by Faster View Post
Someone big step on the levers? or what??
Turns out that the tubular body of the control is pushed through the center hole of an aluminum flange that is, in turn, bolted to the fiberglass side wall of the cockpit.

Over 25 years, the aluminum corroded, and grew. It pulled the bolts right through the fiberglass. Think of a tree trunk breaking a concrete sidewalk. (If you look at the very first pic in this thread, the stuff that looks like expanded puff pastry originally was solid.)
06-08-2012 07:44 PM
mbsl98
Re: How do I remove engine control?

Looks like you are making real progress. Just be sure to keep the price of a new one in mind while you are using the Dremmel (carefully). Would it help if you drilled out the screws that are holding the flange to body and then pried? In any case, I would be embarrased to say how long it took me to find that allen screw, but someone on this board pointed me to it eventually.
06-08-2012 05:27 PM
jjablonowski
Progress

Mike, Emoney: Thanks!

There WAS an Allen screw in there---a 5/32, by the way---that I just couldn't see. Hubs came off the splined inner shafts easily, once the Allen screws came out.

Next step will be to cut away the aluminum flange that holds the control body out into the cockpit. It's very, very corroded and has fused to the threaded ring that holds it to the yellow body. No amount of PB Blaster has worked, so out comes the Dremel.
06-07-2012 12:20 PM
NCboatrx
Re: How do I remove engine control?

Go to the back of the control and remove the center piece ( for the throttle cable) on the center shaft. Then push the throttle arm through the control into the cockpit.
06-07-2012 11:29 AM
emoney
Re: How do I remove engine control?

Looks like the same controls for my Universal 20hp. Should be a set-screw on the bottom
on the two outside "rings".


*oops....just saw the post above me. so, consider this redundant.
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