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NormK #117181 30/12/22 03:20 PM
Joined: Jan 2016
Posts: 8,117
Likes: 231
SENIOR TECHNICIAN
Couldn't hold the nut Max, so it got JB Weld so see how that goes. Strange thing though the tank had about half a litre of what looed and smelt like old engine oil in it. Glad I pulled the tank off to seal up the nut and I was able to get all that gunk out of it.I certainly would prefer not to have to make up these weights for these PT's but I see in the future F/C's might be hard to get and all we have left is PT's to fit on these slashers so I put the hours I have spent on it as research for the future
Anyway just an update the PT motor on a 24 is an excellent motor but it requires the extra weight on the crank. This one makes not the slightest attempt to kickback and it is running a decomp valve with no restrictor in it. Next time I will try one with half the weight in it, I will make the pipe 18mm long and fill that with lead and see how close it gets to kicking back. It is all trial and error to get it right

Last edited by NormK; 30/12/22 04:41 PM.
NormK #117189 31/12/22 03:45 PM
Joined: Jan 2016
Posts: 8,117
Likes: 231
SENIOR TECHNICIAN
Another update on this machine, if anybody cares. On this carby I have cut both the springs to about 20mm long above and below the diaphragm and it is working perfectly so in my opinion all the rubbish about you must have this certain spring is a load of rubbish. I have been playing with the spring lengths for a long time but from now on I think I will just use the 20mm rule. It removes any pressure from the lifter and just allows it to lift up and down easily, infact the diaphragm cap came off and the motor ran fine, only reason I need the cap is for idle adjustment and to keep the dust out.

NormK #117190 31/12/22 04:05 PM
Joined: Feb 2006
Posts: 4,675
Likes: 165
SENIOR TECHNICIAN
So you can basically use the short spring both sides?


Ahh, if only victa had kept producing the thumblatch catcher series, they would be in better shape today!
NormK #117195 31/12/22 08:31 PM
Joined: Jan 2016
Posts: 8,117
Likes: 231
SENIOR TECHNICIAN
Yes MF, but I sometimes cut them down as well, I have always cut the long spring in half, but I am finding that even shorter than half seems to work better. Lately I just get the long spring, cut about 20mm off each end and use them both sides of the diaphragm. Works fine for me.

Joined: Jan 2017
Posts: 349
Likes: 4
Apprentice level 4
Whatever you do don't dump any Super 24 bits. I'm in Brisbane but my brother is in Canberra and Eden. Surely we can work something. We travel between those places about once a year.

Jeff

NormK #117281 09/01/23 06:16 PM
Joined: Jan 2016
Posts: 8,117
Likes: 231
SENIOR TECHNICIAN
Hi Jeff,
They sure are getting harder to find and I have been tempted to drive up to Woy Woy to salvage the bits MF has there.

NormK #117288 10/01/23 03:58 PM
Joined: Feb 2006
Posts: 4,675
Likes: 165
SENIOR TECHNICIAN
I'll have to find a way to courier them to you NormK but where to start. Do you want the base and very rusty handles also?
I too can't bear to dispose of them when they're apparently so wanted.


Ahh, if only victa had kept producing the thumblatch catcher series, they would be in better shape today!
NormK #117289 10/01/23 04:33 PM
Joined: Jan 2016
Posts: 8,117
Likes: 231
SENIOR TECHNICIAN
Hi MF,
rusty handles no problems every part for these is important but I don't want you going to too much trouble as long as they don't get thrown out.

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