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Trs rebuilding 101

Speaking of TRS.... Anyone recall the part number for the spline tool which allows you to put a wrench on the vertical shaft when tightening the pinion nut???

The Vertical shaft just so happens to be the same size, spline count and diameter as a BMax vertical shaft..... ;)
 
Thanks Jimmy!

Damn, they want $110 for that silly thing.... Looks like I'll just take a spare coupler and weld a nut on top of it... ;)

So get this.. I have a special tools manual from 1998 timeframe... Prices sure have skyrocketed in the last 10 years!
 
MOBILEMERCMAN said:
91-63620a1 is the Bearing nut wrench and drive shaft socket.
Click to expand...

you can weld the nut like you said, But if I remember they only come together not seprate and you will need the the bearing nut whench to set pre load. Be kind of hard to thighten the double nut set up with a screw driver or chisle while holding the shaft with a couple. But you never know.
 
gripit said:
Great thread. I was looking for a TRS manual but the link doesn't seem to work any longer. Does anybody have a link or a PDF?
Thanks
Click to expand...

Full Force has my TRS manual, he should chime in. All you need is the pub # on the service and parts manuals and you should be able to go to Mercury and order some copies. Thats how I got the TRS and Bravo manuals.

LE
 
LAKE EFFECT said:
Full Force has my TRS manual, he should chime in. All you need is the pub # on the service and parts manuals and you should be able to go to Mercury and order some copies. Thats how I got the TRS and Bravo manuals.

LE
Click to expand...

I will get those numbers up later, I am late for work!
 
Clustergear said:
you can weld the nut like you said, But if I remember they only come together not seprate and you will need the the bearing nut whench to set pre load. Be kind of hard to thighten the double nut set up with a screw driver or chisle while holding the shaft with a couple. But you never know.
Click to expand...

Thanks.

For purposes of my use (BMax/Bravo), I wouldn't need the bearing nut wrench, only the spline tool. The BMax veritical shaft is larger than a bravo style vertical shaft but is the same size/spline as the TRS.
 
Mis understood though you were doing a TRS. So I guess you are taking a B-max lower apart. I have never done one so don't know anything about them. That say, for the hell of it if you got 1 1/4 prop shafts on your lowers the prop hubs may fit over vert shaft. If so you may be able to make tool with them. Just an idea
 
Forget above post, I just got home from work and checked The TRS spline tool doesn't fit over 1 1/4 prop shaft but it fits perfectly over any Merc input shaft same spline as TRS vertical pinion shaft. If you don't extra TRS coupler you may be able to make a wrench from center of an old engine coupler spline
 
Thanks, I'll check that out!

The Bmax lower is exactly the same as an XR but the vertical shaft is about 2" shorter and the spline is larger and doesn't neck down like the XR does. The BMax lowers are easy, all the tollerances and proceedures are exactly the same as an XR. Also, the lower gears and bearings are the same as a bravo but the gears treated/coated and have a little beefier shafts.

Frank
 
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