Thanks, Lee. I just realized my earlier reply to Don went only to him, but I was able to walk my wife through measuring the coil over the phone this morning. Unfortunately I only have a cheap multimeter with 10k or 1k scales so both readings of "0" could effectively have been "0" else 4.5 - 6.5 ohms on that scale. If I can get the parts this week, I feel fairly confident I can do the repairs next weekend. I think my two biggest concerns are:
1) Do I need any special tools to get it apart and put it back together?
2) Getting parts (especially not know what part(s) failed)
I lost all of my special tools (gear/bearing pullers, clip spreaders, etc.) with my Dad's toolbox (long story so let's just say I hope none of you ever have to experience the horrors of Alzeheimer's ) and I only have a limited tool set at the lake. It was late by the time we got back in so I ended up leaving my whole rig there (including manuals - d'oh!); if you think its the spring tab that broke and I can find one for a reasonable price, I just assume get one now (I have much better luck finding parts near Detroit vs. the small town in Ontario where I boat). Its not just the repair costs, but if I have to depend on a shop, my season will most likely be over and August is the best month around here. Is this spring tab part of the spring itself, i.e. I need to find a spring pack? While I'm waiting for my wife to bring my manuals back, I'll try pulling the part #s from the BRP site in hopes of tracking parts down after work today (Michigan Marine Gear usually has this kind of stuff in stock) . What about gaskets, springs, circlips , etc. -- anything else you think I'll need?
----- Original Message -----
From: "Lee Shuster (lib1)" <lib1@... hhscott .com>
To: " Evinrude & Johnson Boats of the 1960's and 70's" <omc-boats@...imate.com>
Sent: Monday, August 17, 2009 9:58:13 AM GMT -05:00 US/Canada Eastern
Subject: Re: [ OMC -Boats] Forward Clutch Won't Engage on Late-1967 3-wire Shifter - Update
First check the forward and reverse coils (one at a time with an
ohmeter , out of circuit.)
A good coil will read between 4.5 and 6.5 ohms.
Most likely the electrical coil is okay but the spring tab has broken
off.
I wouldn't recommend fuse-protecting the coils, but you can calculate
the current flow in amps using Ohm's law. I generally see 2 to 3 amps
current draw on my digital ohmeter , when shifting with the motor not
running and battery at approximately 12.3 volts.
Lee
On Aug 16, 2009, at 10:46 PM, jd wrote:
> yikes. this strikes fear in the hearts of .......me.
>
> both the up and down wires are pretty accessible before they get to
> the outdrive stuff.
>
> a) any technical reason why a person couldn't put an inline fuse on
> both those wires just for situations like this? It would be pretty
> easy to do.
>
> b) any technical reason why OMC didn't back in the day?
>
>
> (there i go again, wanting to put fuses on everything)
>
>
>
>
>
>
>
> On Aug 16, 2009, at 7:54 PM, ANDY PERAKES wrote:
>
>> Yeah, that's what I was thinking too. I was a bit surprised there
>> was no fuse -- at least not one outside the stern drive (I guess
>> there could be one inside, but it doesn't show on the schematics
>> and doesn't seem a likely place to put one). What I didn't get to
>> do was test the resistance of the coils so I guess that's next, but
>> barring any big surprises from the group, it looks like I'll be
>> taking my first foray into the lower unit. It still seems odd to
>> me that the coil would go so quickly like that, but I guess it's
>> possible. There's no sound like something chunking around or loose
>> when I turn the prop by hand or run in reverse.
>>
>>
>> ----- Original Message -----
>> From: "Don Mandelas " < dmandelas @...>
>> To: " Evinrude & Johnson Boats of the 1960's and 70's" <omc-boats@...ultimate.com
>> >
>> Sent: Sunday, August 16, 2009 9:20:23 PM GMT -05:00 US/Canada Eastern
>> Subject: Re: [ OMC -Boats] Forward Clutch Won't Engage on Late-1967 3-
>> wire Shifter - Update
>>
>> Since you have power all the way back then I guess its not a fuse
>> which would protect the forward coil.
>>
>> Don
>> 1697 Sportsman 155
>>
>>
>> Date: Sun, 16 Aug 2009 18:17:09 -0400
>> From: aperakes @... wideopenwest .com
>> To: omc-boats@...
>> Subject: Re: [ OMC -Boats] Forward Clutch Won't Engage on Late-1967 3-
>> wire Shifter - Update
>>
>> I was able to trace power all the way back to the stern drive so
>> its not the shifter switch or another break in electrical power.
>> At this point it doesn't appear to be something I can repair in the
>> water so we're starting to paddle. Obviously a fried coil is one
>> possibility; can anyone name any other high-probablility
>> possibilities? Thanks!
>>
>>
>> ----- Original Message -----
>> From: "ANDY PERAKES " < aperakes @... wideopenwest .com>
>> To: omc-boats@...
>> Sent: Sunday, August 16, 2009 5:15:37 PM GMT -05:00 US/Canada Eastern
>> Subject: [ OMC -Boats] Forward Clutch Won't Engage on Late-1967 3-
>> wire Shifter
>>
>>
>> So once again I made the mistake of trusting someone else to ensure
>> the ski
>> line was clear of the drive and once again got a harness cable
>> wrapped
>> around the drive. Only a small ding in the prop and a slight bend
>> in the
>> shear pin (for which I had a spare and easily changed), but now my
>> forward
>> clutch won't engage (reverse work's fine). I have the late-1967 3-
>> wire
>> set-up out of the shifter, but unfortunately I can't see any more
>> than that
>> given the conditions. (I should add I'm on the water so I don't
>> not have
>> access to any manuals, limited tools, and its a bit too rocky to be
>> poking
>> around very much.) If anyone happens to see this and has any
>> thoughts I can
>> try before giving up and paddling back in, I'd sure appreciate it.
>> Even
>> though I have a 3-wire, I've already tried Lee's 5-wire trick of
>> shutting
>> down in neutral and backing in reverse; didn't work. Thanks!
>>
>> Andy
>> 1967 Reveler
>>
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Received on Monday, 17 August 2009
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