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  Teleflex-Morse Control: How to Adjust Throttle Arm?

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Author Topic:   Teleflex-Morse Control: How to Adjust Throttle Arm?
Buckda posted 05-23-2005 11:47 AM ET (US)   Profile for Buckda   Send Email to Buckda  
Had a great day on the water yesterday.

When coming back into port, I had to briefly pause in the channel while a train crossed the swing bridge over the river. The current flows OUT, but the wind was pushing me IN off the lake, so I had to briefly idle in REVERSE to hold position long enough for the bridge to swing open again once the train had passed.

When I tried to shift back into FORWARD, my Teleflex-Morse control "arm" went completely limp and the motor remained in reverse. I was able to shift by pushing in with my left hand so the throttle arm connected to (what I assume are) the teeth in the housing to give it grip to shift. I was able to use this technique in the river for the mile or so to the ramp.

When I hauled the boat, I briefly took a look at the shifter to see if I could adjust it (tighten?). On my old Mercury Quicksilver control, there was a small hex-key adjustment screw, but none is apparent on this control box. Since the hour was late and I had to drive 20 miles to drop off the boat and another 90 miles to get home, I left it "as is" and went home. I'm hoping to learn how to make the adjustment now (this week) so that when I go to pick up the boat next weekend, I can quickly make the adjustment and be back in business.

Thanks in advance for any help you can provide.

The model is the Teleflex SL-3 control.

Dave

Buckda posted 05-25-2005 02:34 PM ET (US)     Profile for Buckda  Send Email to Buckda     
Anyone, anyone?

Bueller? Bueller?

Bump.

kingfish posted 05-25-2005 03:01 PM ET (US)     Profile for kingfish  Send Email to kingfish     
Dave-

I didn't see your initial post - I think I had a Morse SL-3 control on a Montauk with a 100 HP Merc. It's been a while, but as I remember it, one thing I liked about the control was that you could set the travel of the arm so that dead slow on one end of travel and WOT on the other end of travel would fall in a place that was convenient in relation to the way the control sat on the console. The amount of travel was fixed, but where that arc of travel was located could be changed. It seems to me it was pretty simple to change and it seems that it had to do with a threaded machine screw (probably with a lock nut) through the center of the hub of the arm; maybe with an Allen head. Maybe accessed by popping off the rubber button on the hub that you push to disengage the shifter for a fast idle. It was a while ago and the recollections are vague, but there they are.

It seems to me that there was also an adjusting screw somewhere that allowed you to set the amount of pressure it took to move the arm; too loose and the throttle wouldn't stay where you put it, too tight and it was inconveniently hard to operate. I really don't think that latter adjustment is where your problem lies though. I'd look at the former adjustment I mentioned and see if that machine screw has worked itself loose in the hub of the control arm.

John

Buckda posted 05-25-2005 03:16 PM ET (US)     Profile for Buckda  Send Email to Buckda     
Thanks John -

THat's exactly my problem, I didn't think to remove the rubber button to see if there was a screw in there.

I appreciate it, since I'll need to make that adjustment rather quickly on Friday night when I pick up the boat on the way to Cheboygan. Being able to do that within a half hour will make a big difference in my confidence that I'll be able to do some boating in the morning on Saturday!

Dave

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