Stihl Fs 40 Strimmer Replacing Cord Guide
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.
Stihl Fs 40 Strimmer
Cut off the extra length and tie on the handle. Good luck, Al K Jan 11, 2011. The recoil spring has broken. These are available at any lawn mower parts supply store. The process of changing the spring is tedious but can be done by anyone with average mechanical ability. If you removed the recoil assy (and air shroud if it is riveted on) and took the assembly to a Lawn Mower Repair shop usually they will change out the spring while you wait. If you can't get the recoil assy off take the mower with you to the repair shop.
Again most shops will fix it while you if wait but if they are very busy usually they are serviced within 24 hours. If you do attempt this yourself check in the tips section of FixYa on how to change the recoil stater rope after replacement of the spring.
I highly recommend you replace the pull rope at the time of the recoil spring replacement. One final note. There is a possibility that the pull rope spool has been damaged where the spring attaches. Thanks for using FixYa, Kelly Apr 28, 2010.
In this video, we learn how to replace the line on a STIHL trimmer head. First, remove the spool from the head by stopping the engine and cutting attachment first. Then, grasp the body and insert your thumb into the tab on the head, then rotate around and press on the second tab.
After this, press down on the spool and release it from the housing. Now, remove the star nut to remove the head completely. 1977 k5 blazer service manual. Now, you can replace it with a new one. After this, replace the parts that you took out and wipe them off as you are doing this.
When finished, secure all edges and you're finished. Click through to watch this video on stihldealer.net Related.