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Re: Idle musings about TRactor flywheels & ring gears

To: triumphs@Autox.Team.Net
Subject: Re: Idle musings about TRactor flywheels & ring gears
Date: Fri, 15 Oct 2004 08:40:33 EDT
In a message dated 10/14/04 10:55:18 PM Eastern Daylight Time, 
kinderlehrer@comcast.net writes:

<< I just
 started a working full time again which means I have to do this on a weekend
 so how do I keep the wife from finding out I'm boiling a flywheel in her
 soup kettle? >>

I've put ring gears on many cars over the years and it isn't difficult.

First, lay the parts out in the order they should be installed, the chamfer 
of the ring gear teeth should face the direction the starter drive engages 
from.  ( inertia starter pulls in from the clutch side, solenoid type engages 
from 
the engine side. )

Wear gloves! Have a small hammer ready.

A regular propane torch will work, gently heat the sides,inside of the ring 
gear.  How hot?  I usually guess but just over 200* F should be OK, a small 
sprinkle of water should sizzle and dance.

Lay the ring gear on the flywheel, it should drop right on.  Make sure it is 
seated against the ledge, a small tap might b needed.

Let everything cool.

If the ring gear drops part way on, tap it off and reheat.  It is better to 
reheat than to over heat.

The only other car I know of that uses a bolt on ring gear are large trucks 
and some Porsche motors.  I believe the Porsche motors do this because there 
just isn't enough space for a press on gear.

Harold

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