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Re: brake spring recoil will not open
I assume you are speaking of the starter cord return spring. Make sure to turn it CCW to wind it, but leave enough slack so that the spool can turn about four more turns without binding the spring when starting. If the cord broke, the spool may have over-run it's stops--try to to pull the spool outward when trying to wind the spring. Leave the cord off until you get the spring correctly wound. When wound, wedge the spool to prevent it from unwinding. Be sure to melt the cord ends before tying the overhand knot--but leave the outer end alone until the handle is slipped over the cord. Hope some of this helps!
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I suspect the braking pad and or mechanism around the fly wheel is worn, mal-adjusted or disconnected. Hint start at the bar you are supposed to pull down to the handle in-order to start the mower, follow the cable, check the spring loaded mechanism the cable connects to & then remove the recoil to examine the brake band. See if it works and if it has worn down. Repair/replace as needed.
It appears that the recoil spring is broken or has come away from its anchor position. It means opening the unit (usually 4 screws) and re-seating the recoil spring and rewinding the recoil spring so that it will recoil the starter rope with the correct tension. It may take a few attempts to get it right. If you do get it right, don't over-extend the starter rope when starting the washer. Someone was over-zealous!
SO YOU UNDERSTAND. THE SPRING IS COMPLETELY WOUND (Then backed off ONE ROTATION). and then allow the spring to RECOIL to PULL the line in and then the Pull Length. it will become quite clear as you are doing it
You need to pretension the spring before installing. Easier to do this before attaching the line, but there is a technique (at least for larger engines) for adjusting spring tension with the line still on. If you need I can describe it for you or tell you where on youtube I saw a guy do this. That video was for a snowblower engine, but the technique worked on my chipper. I see no reason why it would not work on a smaller two stroke, assuming there is nothing wacky about the configuration. I would think that a recoil starter for a two stroke and a four stroke should all use the same principle,.
Turn the Homelite chainsaw so that the bar and chain are laying flat and the starter cover is facing up. Loosen the four starter cover screws by unscrewing them counterclockwise with the screwdriver.
Take the starter cover off of the engine. Turn the starter cover over to work on the pull starter. Pull the rope out about 6 to 8 inches.
Twist a loop into the end of the rope. Insert the intersection of the two ropes into the notch on the upper flange of the pulley. Rotate the loop back and forth until you notice the recoil spring has disengaged. Unwind the rope from the pulley. Cut off any old rope if you need to replace it with a new rope.
Unscrew the screw holding the pulley to the starter cover using the screwdriver. Take the pulley off the starter cover. Turn the pulley over and remove the recoil spring cassette from inside the pulley.
Inspect the spring inside the cassette to see if it is damaged or overstretched. Replace the recoil spring cassette if it is broken. Lubricate the post on the starter cover using about a dime-sized amount of engine grease.
Put the recoil spring cassette back into the pulley. Set the pulley onto the starter cover and tighten the screw down with the screwdriver. Wind the starter rope back around the pulley in a clockwise direction.
Leave about 6 to 8 inches of rope unwound. Form another loop at the end and insert the loop into the notch on the pulley. Rotate the loop back and forth until you notice the tension is set on the recoil spring.
Remove the loop and place the starter cover back over the engine. Pull the rope out 6 inches and tighten the starter cover's screws using the screwdriver. Release the rope and it should automatically retract
Unless the recoil spring is broken, then you may have neglected to pre-load the recoil spring. With the recoil unit off of the motor, wind the rope fully around the pulley. Then, while keeping the rope fully wound, turn the pulley about 5 times around in the direction that would push the hope out through the hole. At this point the recoil spring will be trying to spin. Without losing that tension, push the end of the rope out through the hole, thereby putting a bit more tension on the recoil spring. Tie on the handle. Now, when you let go of the rope, the spring should hold the handle snug against the hole.
An alternative method is to use a rope about 2 to 3 feet longer than the original. Wind it fully around the spool and put the end of it through the hole. Now pull the extra length through the hole until the tension is sufficient. Cut off the extra length and tie on the handle.
You should remove the recoil cover and see if you can rewind the rope manually.
It isnt too hard and will let you know immediately if you need to replace the recoil.
Just the recoil unit by loosening the three or four bolts and lift it off the trimmer. Turn it over and look at the recoil spool. There should be a notch in it. This is were you catch a bit of the starter rope and start turning it in the direction of normal rotation. Normal rotation will put tension on the recoil spring.
When you put 4-6 turns into it just let it recoil and see if it pulls all the rope back in. That's it. If the cord didnt recoil something inside the recoil has broken and you need to get the unit serviced or replaced. Most of the time the cost of repairing something like this is prohibitive. Its a better idea to just replace the whole unit.
i'm sorry to tell you this, you have to take take the hole recoil apart.either the spring is broken or the dog that holes the spring is not engaged.to fix it you have to take it apart.restring the rope,make sure the dog is catching the spring,rotate the recoil rotor to tension the spring,retie the handle and reinstall the recoil as an assembly.hope this helps,let me know if you have any questions...........
sounds like the spring is broken itself.there should be a hook at one end and a loop at the other end.the hook usualy breaks off but the spring looks good.replace the spring with part number..4140 190 0600 ....that is the stihl part number.let me know if this helped you...if not give me a quick mail and i'll try to help some more......