With a brake!
Jonsered Chainsaws
- Thread starter briantutt
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altatim
ArboristSite Operative
thats broken unfortunately. Is there any significance to it? I know lots of these older saws had them in Canada at least.
I've never seen a functioning brake on those models, but as I understand it the brake consisted of a mechanical "plunger" that pressed against the clutch drum, as well as a switch that killed the ignition.
I don't have any good photos but if you look at the saw with the covers off you can see how the mechanical brake was intended to work.
Mark
I don't have any good photos but if you look at the saw with the covers off you can see how the mechanical brake was intended to work.
Mark
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Yep they were a dealer only installed option on the 621 and other models. I have seen a couple functioning ones over the years but they were not liked by most (all) cutters. The ign cutout was the most despised and the first thing to be disabled. Though it did stop the engine it also meant having to restart, generally deep in a brush pile. It wasn't so much a switch as it was just a wire attached to the spring loaded steel brake shoe which rode in a plastic guide tube above the clutch drum. When the brake was activated the shoe would ground the ign out on the drum. All in all the whole endevor was a failed attempt. At the time all the pro cutters were very used to not having any form of chain brake and and generally hated the whole idea as just one more thing to cause unessary grief and add to the cost of a saw.
altatim
ArboristSite Operative
I pulled off the clutch cover last night and realized that I just misunderstood the inner workings. It turns out that the chain brake works just fine!
I can see where killing the saw was a real bad idea. I'm certainly no authority on chain brakes, as I have only one saw with one-the 2094. I don't remember much about them besides being built into the case or the clutch cover and some of their pros/cons.......avoided them like the plague.
Kevin
Kevin
