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Stihl 034 AV

Mad Professor

Mad Professor

Tree Freak
Joined
Jul 2, 2007
Messages
10,182
Location
North East USA
Watch out. Zama used two different shapes of welch plugs in the C3 carb (assuming that is the one that you have). As far as making a welch plug fuggetaboutit! BOTH Walbro and Zama can't get the plugs to seal reliably using precision parts and factory tooling. They use a proprietary secondary sealant. Once you get the correct plug installed run a THIN bead water THIN of super glue around the edge of the plug. Put the carb on a shelf for 48 hours to make sure that the super glue cures completely. Be sure to clean the new plug and the recess in the carb with brake cleaner before installing.
You can call the people at Tillotson to get the right parts, actually talk with a human. Have the carb model/serial # handy.

Didn't know Stihl bought Zama. They got a Chi-Com factory?
 
Woodslasher

Woodslasher

Make McCulloch Great Again!
Joined
Jan 2, 2019
Messages
2,376
Location
Commiefornia
If you post up a pic of the hole where the welch plug goes with a tape measure next to it, I'll go out and poke through my bag of carb kit "extras" and see if I have one of those plugs.
 
Skippydiesel

Skippydiesel

ArboristSite Lurker
Joined
Jul 10, 2021
Messages
45
Location
The Oaks
If you post up a pic of the hole where the welch plug goes with a tape measure next to it, I'll go out and poke through my bag of carb kit "extras" and see if I have one of those plugs.
Thanks Mate - found I can by whole kit locally through a Tillotson agent (Green Acres Mowers) for $10 Australian - seems a good deal.
 
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