Question about Craftsman 25cc Gas Line Trimmer
Similar problem but with a hedgetrimmer. Started out pull rope wouldn't recoil, fixed that. Put it back together and noticed leaking fuel lines. Replaced those. Now it will not start. Took carberator apart, checked diaphrams, blew out ports, checked needle and seat. Nothing. Couldn't even get the bulb to pump up. I thought maybe I didn't have the gaskets right below the bulb put in properly.Took carb back apart and switched the gaskets around. Put carb back together. Bulb will now pump up but motor still won't start. At this point I'm not sure about the gaskets or anything else.
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Posted on Jan 02, 2017
SOURCE: I have a craftsman 32cc
Sounds as if the Carb needs to be cleaned out. Get yourself a can of non-chlorinated brake cleaner and spray the carb out really well. Then reinstall the carb. Also check any ports in the carb to make sure there isn't any debris blocking the flow of fuel. I would also suggest getting some Stabil Marine (blue) fuel stabilizer. The ethanol in gas destroys small engine carbs. Just mix this in with your gas tank the next time you fill up. How old is this fuel? The ethanol also absorbs water, so even while in the gas can it is obtaining moisture. The Stabil Marine formula helps lesson the effects of the ethanol.
Posted on Aug 02, 2010
Clean you needle/ seat inside carb pull apart and clean all out and try it off the w.w. to see if primer works ,also the primer has a check valve internally also make sure that is working, if the primer won;t pull gas through carb it won;t run 2StrokeJim
Posted on May 18, 2011
Hi There, Check the primer bulb for tare or pin holes. Replace it. Check and clean carb jet it maybe plugged with debree. Also check for spark which you didn't say. Replace with correct plug.
Note; Do not use strong cleaners on rubber seals (O rings and gaskets) They dry up and crack.
If needed use a dabble of grease on seals
Posted on Jun 13, 2011
Testimonial: "Thank you. I had to merely add more gas to tank & bulb siphoned fine. Changed the plug and bingo! It started & runs great. "
Hi, basically the needle in the carby is not sealing correctly. This could be due to the lever height not being adjusted to level with the lower carby body or the gasket not being fitted before the diaphragm on the needle side of the carby. Hope this helps, regards Phil.
Posted on Sep 05, 2011
Testimonial: "Thanks I'll open it up and se what I can do. Is there something I should have replaced where the needle seats / seals."
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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
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