cdntbone303
ArboristSite Operative
Got a large crack in my Husqvarna 288 clutch cover. Was thinking JB Weld or those brazing sticks for aluminum and pot metal to fix it. Anyone got experience fixing a cracked magnesium clutch cover?
Cracked brake cover
- Thread starter cdntbone303
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cdntbone303
ArboristSite Operative
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cdntbone303
ArboristSite Operative
Damn you did a good job cracking that one 
Drill a tiny hole at the end of the crack, clean, abrade the paint off inside, dremel a “V” shaped groove in the crack and then apply the epoxy before clamping it back true to allow it to cure.
Drill a tiny hole at the end of the crack, clean, abrade the paint off inside, dremel a “V” shaped groove in the crack and then apply the epoxy before clamping it back true to allow it to cure.
cdntbone303
ArboristSite Operative
Any particular JB Weld you would recommend? They have a lot of different products. Is this going to be a permanent and strong fix?Damn you did a good job cracking that one
Drill a tiny hole at the end of the crack, clean, abrade the paint off inside, dremel a “V” shaped groove in the crack and then apply the epoxy before clamping it back true to allow it to cure.
Pretty hard to weld a magnesium cover, I've done a lot of welding but not on mag alloys..
JB weld won’t last. But tig welding it will. I believe the aluminum rods will also work well on the inside with a similar process as mentioned above.
cdntbone303
ArboristSite Operative
I got some of those alumiloy rods coming to try out. You have any experience using them? Basically a brazing and not an actual weld
Only a little bit filling holes.
Yep correct. I bet it’ll work
Huskybill
Addicted to ArboristSite
I’ve welded magnesium dirtbike cases and clutch covers, in a box flooded with argon with the TIG Hobart 500 amp. At work just for experience. I took on all kinds of work. I got some TIG rod samples from my vendor.
How about that torch low temp alloy rod as seen on tv I have that and some stick aluminum rod. Not sure about open flame with magnesium. I stepped on a droplet that was on in the welding booth and had ten Richard Pryor running across the floor.
How about that torch low temp alloy rod as seen on tv I have that and some stick aluminum rod. Not sure about open flame with magnesium. I stepped on a droplet that was on in the welding booth and had ten Richard Pryor running across the floor.
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