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Joined: Jul 2005
Posts: 6,362 Likes: 10
Administrator - Master Technician
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Hi Jay, this seem to be good advice as I've seen this method used, with no disasterous results, providing it is done with care, obviously!!  
Please do not PM me asking for support. Please post your questions in the appropriate forums, as the replies it may receive may help all members, not just the individual member. Kindest Regards, Darryl
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Joined: Dec 1999
Posts: 5,382 Likes: 34
Repair Junkie
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Hi all,
To get the boss of a Victa 2 stroke including powertorque I have always heated the boss, then locked the boss in a vice and hit it with a hammer until the engine slipped free!
Always worked a treat for me wit no residual damage
Regards jay The only thing that you have to be careful with is not to damage the seal (as it is rubber) and if heated too much you will have issues with air leaks.
Regards, ![[Linked Image]](https://www.outdoorking-forum.com.au/forum/images/members/mower-monsterw.jpg) Bruce Please do not PM me asking for support. Post on the forums as it helps all members not just the individual.
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Joe Carroll
Unregistered
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But then again change the seals while its apart and buy some insurance for the machines lifespan 
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Joined: Dec 1999
Posts: 5,382 Likes: 34
Repair Junkie
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Yes Joe I agree with you that if you heat up the boss you should replace the seal.
Regards, Bruce Please do not PM me asking for support. Post on the forums as it helps all members not just the individual.
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Joined: Apr 2009
Posts: 288
Apprentice level 3
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Hi all,
I do agree that you need to be careful about the seals, but I only ever heat engine parts with a kero blow torch anyway to avoid damage (they donοΏ½t get all that hot!). I personally have only really removed the boss to replace the seals or dismantle the lower end-witch I usually replace the seal anyway.
Does anyone have any idea of the working temp of there seal as I would assume it would be pretty high anyway.
Thanks for your help
Regards jay
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Joined: Dec 1999
Posts: 5,382 Likes: 34
Repair Junkie
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Jay, That's a good question about the working temp of the seal and maybe someone has the answer. If I get a chance I will check with my supplier and see if they can put some light onto the matter. I normally use OXY acetylene to heat stuff as a last resort and when you use that you need to replace seals because of the extreme heat generated.
Regards, Bruce Please do not PM me asking for support. Post on the forums as it helps all members not just the individual.
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