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| Re: Locking a Diff |
Subject: Re: Locking a Diff
by funkeyman on 2006/11/26 10:01:15
Heres what you need to do the"backyard" job properly;
an arc welder
a bucket of oil
309L stainless steel electrodes
and a wire wheel to fit your grinder.
step1. after removing the carrier dunk the whole thing in the bucket of oil- this will help protect the gears and bearings from weld spatter.
2. remove excess oil from the spider gear only with a rag and then buff the area to be welded with the wire wheel.
3.imediatly after chipping the slag from the weld , drop the centre into the bucket of oil and allow to cool.
4.repete untill you have 8 single fillet welds between the spider gears as mentioned above.
The use of s/s electrodes keeps the strength in the parent metal without altering the properties too much. Stainless steel is a lot more maluable than most other metals so it will give a lot more rather than cracking
Using oil to cool helps reinstall the original hardening to some extent but you need to get the hot metal into the oil as quickly as possible to have any effect. The use of Case hardening oil would be the better choice.
J.
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