Re: [OMC-Boats] Tru-course Steering

HMMMM......i see the fire extinguisher seems to be
missing...............tsk tsk ......not safe..... ;)

On Jul 19, 2009, at 1:01 PM, Lee Shuster (lib1) wrote:

> Bill,
>
> In my opinion this is an upgrade worthy of serious consideration for
> all OMC boat owners. AFter I did mine, I found it makes for much
> safer operation with a much greater degree of reliability. Steering
> effort is reduced and tracking is improved.
>
> First a little history as a lot of people confuse the (3) steering
> systems that OMC Electric Stringers could be equipped with:
>
> 1) Rope-Pulley (Aircraft cable) used on ALL OMC built boats ( a
> carry over the days of outboards)
>
> 2) Mechanical (rack/pinion) with single cable and transom-
> penetrating tiller arm (popularized by Kiekhafer's Mercury Ride
> Guide system, now offered by several vendors).
>
> 3) OMC's unique Tru-Course (sealed proprietary cable system)
> (Perhaps they didn't like Mercury's system?)
>
>
> Tru-Course Steering was introduced by OMC just after our OMC boats
> ceased production. It is referred to a Pull-Pull steering system
> (sometimes mistakenly called a Push-Pull system).
> It's a well-designed system and if it had been available when our
> OMC boats were in production, I'm pretty certain it would have been
> their system of choice. But our boats were designed in the early
> sixties, almost a decade before TruCourse came along.)
>
> You can convert your boat over to it as I have with I replaced my V6
> Buick with the V8 Chevy.
>
> The conversion requires changing out the follow items:
>
> 1) Steering shaft and gear assembly in upper gear case (Tru-Couse
> and Rope-Cable are different!)
>
> 2) Measuring AND Finding the correct length Cable assembly for your
> specific application (OMC originally offered them in 8, 10, 11, 12,
> 13, 14, 15, 16, 17,18, 19, 20 on up to 46 to 50 ft !!)
>
> 3) Removing the rope pulley from the helm steering shaft and
> mounting the TruCourse adapter.
>
> The downsides to doing this conversion are finding the correct parts
> which could take awhile. My donor V8 came out of a TruCourse-
> equipped boat so I didn't have to replace item 1).
> Item 2) the correct length cable was more of a challenge. You must
> carefully measure the helm-to-stern drive shaft to shaft distance to
> +/- 2 inches. Because there's very little margin of error.
> The finding either a used or NOS TruCourse cable will be a
> challenge. I found one after months of searching in a NOS dealer
> inventory, using the OMC part number (I keep reaching how important
> OMC Service part numbers are!!)
> The 3) step at the helm is relatively simple once you've covered
> steps 1) and 2). You'll be able to retain you stock steering wheel
> but might have some difficultly getting the existing rope pulley off
> if there's corrosion.
>
> Good Luck..
>
> Lee
>
> Below is a picture where the TruCourse helm connection and cable is
> not yet hooked up:
>
> <hp_inst_tn.html.jpg>
>
>
>
>
>
>
> On Jul 19, 2009, at 12:59 PM, BLDFW wrote:
>
>> I'm curious if anyone converted their cable steering system over to
>> a Tru-course setup. When I had mine out the other day, the
>> steering locked up on mine. I was able to get it unstuck but don't
>> want to have to deal with that if I don't have to.
>>
>> I see them on eBay running from 175.00 (I think used) to $580 new.
>>
>> -Bill
>> Dallas, TX
>> 1970 Evinrude Explorer - 155 Buick V6 - OMC Sterndrive
>> http://www.photobucket.com/evinrude_explorer
>> _______________________________________________
>> OMC-Boats mailing list
>> OMC-Boats@...
>> http://lists.ultimate.com/mailman/listinfo/omc-boats
>
> _______________________________________________
> OMC-Boats mailing list
> OMC-Boats@...
> http://lists.ultimate.com/mailman/listinfo/omc-boats
Received on Monday, 20 July 2009