CHOPSAW TS350 Module
- Thread starter JimL
- Start date
Help Support Arborist Forum:
jokers
Addicted to ArboristSite
Hi Jim, the timing is not adjustable on the electronic ignition module, about all you can do is adjust the air gap which should be .2-.3mm, the same as your 066 if you have the air gap gauge for it. Bad modules can still produce a spark but may have altered timing.
Russ
Russ
No points, right? Capacitor discharge?
Let me try paraphrasing from a manual on chainsaw repairs. You'll need some way to the set piston to the correct firing postion, i.e. .100 inch BTDC. I would think that the depth gauge of a good pair of calipers would work. You should see a mark on the edge of the flywheel lining up with an adjacent mark on the crankcase. If you find your marks and they don't line up, make new mark on crankcase matching flywheel mark. If they line up, you're off to a good start. Either way, remove flywheel and find the timing mark on the stator plate (what all the ignition components are mounted to). If you didn't have to make a new crankcase mark previously and this mark lines up with crankcase mark your timing is good. If it doesn't line up and your previous mark was good, loosen the stator plate and line it up to the crankcase mark. If you had to make a new mark on the crankcase, line the stator plate up with that new mark.
If you have no timing marks then you might be able to adjust timing by loosening the flywheel nut and rotating the flywheel slightly on the crankshaft. (Yes I'm serious, this is straight out of the manual.)
Hope you can make some sense out of this. I'm not sure I can. Just kidding. Really, I hope somebody smarter than me chimes with a response.
Good luck, Chris B.
P.S. I just love pulling flywheels. Now I've been inspired to check the timing on my 045.
Let me try paraphrasing from a manual on chainsaw repairs. You'll need some way to the set piston to the correct firing postion, i.e. .100 inch BTDC. I would think that the depth gauge of a good pair of calipers would work. You should see a mark on the edge of the flywheel lining up with an adjacent mark on the crankcase. If you find your marks and they don't line up, make new mark on crankcase matching flywheel mark. If they line up, you're off to a good start. Either way, remove flywheel and find the timing mark on the stator plate (what all the ignition components are mounted to). If you didn't have to make a new crankcase mark previously and this mark lines up with crankcase mark your timing is good. If it doesn't line up and your previous mark was good, loosen the stator plate and line it up to the crankcase mark. If you had to make a new mark on the crankcase, line the stator plate up with that new mark.
If you have no timing marks then you might be able to adjust timing by loosening the flywheel nut and rotating the flywheel slightly on the crankshaft. (Yes I'm serious, this is straight out of the manual.)
Hope you can make some sense out of this. I'm not sure I can. Just kidding. Really, I hope somebody smarter than me chimes with a response.
Good luck, Chris B.
P.S. I just love pulling flywheels. Now I've been inspired to check the timing on my 045.
jokers
Addicted to ArboristSite
Well your right about that JimL, I`m not familiar with the chopsaws but the info I gave you is right from the Stihl manual on that saw regarding electronic ignitions. Kind of a smug answer on your part so fix it yourself if you`re so all knowing. BTW, you work in a Stihl shop, why don`t you know how to fix it already?
Russ
Russ
Hello- The module is under the flywheel, that is correct. There is no way to set the timing with that particular module however ( unless you modify stuff ), if it isn't idling it may be a fuel delivery problem. Or, as jokers mentioned, there may be compromised components in the module. Even the newer modules are capable of "browning out", that is they may produce some spark but not a lot.
jokers
Addicted to ArboristSite
Alright Jim, let`s try again. I`ll tell you what little I know about this setup. There are alignment marks in the engine housing and the module. Line `em up and thats all the control that you have, the rest is electronic although the airgap can have an effect on mechanical timing. The slotted holes are to accomplish this initial alignment. Since you said you put the new one where the old one was I assumed that you had already achieved satisfactory alignment, since the saw did at one time run with the module positioned like that. My mistake if I assumed too much. The module is not field servicable or diagnosable if it provides spark but the machine doesn`t run right. The module is setup for a certain spec at 8000 rpm and may be fine there but not on the money at low rpm, or as Jacob pointed, fuel delivery or another problem. All the seals good?
Russ
Russ
350
Line up the marks and your done. Just one thing, they usually work or they don't. You are looking for another problem here.
What shape is the piston in? These saws are noted for getting the filter taken out because they plugged it when cutting concrete. One look through the intake confirms it. That, and the sound of a major piston rattle.
Line up the marks and your done. Just one thing, they usually work or they don't. You are looking for another problem here.
What shape is the piston in? These saws are noted for getting the filter taken out because they plugged it when cutting concrete. One look through the intake confirms it. That, and the sound of a major piston rattle.
jokers
Addicted to ArboristSite
Jim, if you are appologizing on my account, don`t bother. I responded too harshly to a misunderstanding.
Russ
Russ
