I have a 235e also but still don't know how totighten chain.
With driver
That would depend on where in the world you lived. But if you contact Husqvarna headquarters in Stockholm, Sweden, they will tell you where YOUR local spares outlet is to be found.
Lossen the two bolts on the side of the chain bar, then use a straight screwdriver and straight under the chain turn the screw clockwise, don't tighten it to much, make sure it still turns, then tighten the bar bolts
the 2 11ml nuts at the base of the bar, loosen them and full bar till chain tight and tighten the nuts. Then your ready to kill more evil trees or just hang it up ready for the zombie appocolips.
depends which length bar you want. try googling it. DYOR
Remove the clutch cover, loosen the bar and slide it back. Remove the old chain, install the new one and tighten it. Make sure you don't tighten it too much or you will wreck it. Too much tension on the chain will cause undue friction and the chain will heat up an could lose it's temper (soften).
Remove the two bar nuts on the right side of your saw. Remove Bar cover, bar and chain. Remove the clutch, it is right handed thread. Remove the drive sprocket and replace. You will need a special tool for removing the clutch or make one. The clutch is reverse thread, you will have to turn it counterclockwise as you are looking at the clutch. you will need a special tool for the clutch and a piston stop to screw in the sparkplug hole so the crank will not turn. Sometimes you can activate the blade brake and take a brass punch and a hammer and put it on the outer edge of the lip on the clutch and smack the punch with the hammer and it will break free, and then do the opposite direction to tighten the new clutch back up.
There should be a screw that is inside the bar and with the head at the front of the machine. It shares the pin to push the bar with the 041 I own a 031 and it has a different way to adjust the chain/bar. Between the two nuts that hold the bar tight, there is a recessed screw. First loosen the two nuts alittle and then turn the recessed screw - clockwise to tighten. It is something new to me also. I don't know how long Stihl has been using this?
The sway bar is not adjustable, but you can replace the bushings.
Undo the two nuts on the right hand side and remove that side cover. The rod which controls the chain brake automatically detaches from the chain brake handle.When you have the side cover removed place the saw on its side with the pull cord downwards.Lift the bar up towards you and off the adjuster. unhook the chain from around the bar and the small sprocket, this part is very obvious when you look at it.Wind the adjuster screw back a couple of turns to give you some free play and then fit the chain in the slot in the centre of the bar, over the nose of the bar and then back towards the saw. Make sure that the sharp cutting edge faces away from the saw on the top of the bar and back to the saw at the bottom of the bar.Fit the chain over the sprocket again and place the bar back in position, making sure that the lug on the adjuster fits into one of the two small holes on the bar.Replace the side cover and fit the nuts finger tight. Pull the chain brake lever into position and fit the control rod back into the side of it. Turn the adjuster screw clockwise to tighten the chain correctly and tighten the side cover nuts. Make sure the chain brake is off and pull the chain around to ensure it is correctly seated. You are ready to go.
For a 20" Bar 325 Pitch .063 Gauge Chain 81 Links
take off the right side cover. ( the side where the chain is). Under the chain is a screw...turn that so the chain gets real loose. Then you can take the bar off, paying attention to what side is which so you can put it back on the same way. Then take the chain off. You kind of have to turn it sideways to get it out from behind the wheel. Also pay attention to the direction of the cutting teeth. Then reverve procedure making sure you have the bar and chain on the way it came off and also line up the small hole on the bar, that's the part that tightens and loosens the bar with the screw under the chain after you have it all back together. You can tighten it some to make it easier to hold it together until you get the cover etc back on, then make final adjustments
I use a 24" pipe wrench to hold the yoke, and a big breaker bar with a cheater bar to tighten the nut.