Hey, so, I have a push mower that won't start. I've checked the spark. That seems to work fine when I pull the cord and it's grounded to the frame. I've emptied the gas tank of the old gas and sprayed it out with carb cleaner and then redrained. I've taken off the carb and disassembled it, followed by spraying any hole I could find with carb cleaner. It seemed pretty clean though. If I spray a little carb cleaner in the neck of the carb the mower will very briefly start. The carb seems to be getting gas, as loosening the nut holding on the carb bowl, after adding new gas, seems to cause gas to leak out. Does anyone have any ideas on what to check/what could be wrong?
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Crafstman Push Mower Won't start
- Thread starter ACJ
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Export threadwith enough fresh gas in the tank, have you sprayed cleaner for startup and then several more squirts for a minute or so to see if it will finally pickup the fresh gas and run on its on? If the carb has a diaphragm, did you check its condition? Primer bulb, choke, or does it have both?
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Post craftsman model number as well as all numbers from engine data plate, thanks. If any internal parts of carburetor are rubber or plastic, carburetor cleaner will destroy parts.
LAWN MOWER Diagram & Parts List for Model 247370340 Craftsman-Parts Walk-Behind-Lawn-Mower-Parts | SearsPartsDirect your manual & parts list.
https://www.briggsandstratton.com/us/en/support/manuals/results?NTT=126m02-6863* your engine manual & parts list, see page 10 in this manual for valve adjustment specs. & adjust valves with engine cold. Also remove oil dipstick & check for gas smell in oil.
LAWN MOWER Diagram & Parts List for Model 247370340 Craftsman-Parts Walk-Behind-Lawn-Mower-Parts | SearsPartsDirect your manual & parts list.
https://www.briggsandstratton.com/us/en/support/manuals/results?NTT=126m02-6863* your engine manual & parts list, see page 10 in this manual for valve adjustment specs. & adjust valves with engine cold. Also remove oil dipstick & check for gas smell in oil.
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Post craftsman model number as well as all numbers from engine data plate, thanks. If any internal parts of carburetor are rubber or plastic, carburetor cleaner will destroy parts.
Here's the manual... Crafstman 247 370740 ... Craftsman 247.370340 Manuals. The Briggs and Stratton serial on the engine is 12 0529 58 81458.
Thanks for your time! There is no primer bulb nor manually adjustable choke. The carb has a plastic float in it but no diaphragm as far as I can tell. Also, I didn't notice any damage to the plastic from the carb cleaner..though I'll replace the carb if I need to.
Post craftsman model number as well as all numbers from engine data plate, thanks. If any internal parts of carburetor are rubber or plastic, carburetor cleaner will destroy parts.
From my experience I would say may but not will. Have worked on way too many carbs and never experienced that. I have seen rubber deteriorate when hit and exposed for a period of time with both carb cleaner and brake cleaner. Depends on which spray is used as to any negative impacts to rubber / plastic compounds. I have seen swelling, etc from carb cleaner and none from brake cleaner on some parts and I have seen the opposite reaction on others.. Never experienced any adverseness when carb cleaner was sprayed into a running engine.
Post craftsman model number as well as all numbers from engine data plate, thanks. If any internal parts of carburetor are rubber or plastic, carburetor cleaner will destroy parts.
LAWN MOWER Diagram & Parts List for Model 247370340 Craftsman-Parts Walk-Behind-Lawn-Mower-Parts | SearsPartsDirect your manual & parts list.
https://www.briggsandstratton.com/us/en/support/manuals/results?NTT=126m02-6863* your engine manual & parts list, see page 10 in this manual for valve adjustment specs. & adjust valves with engine cold. Also remove oil dipstick & check for gas smell in oil.
Umm, OK. Thanks for pretending to help I guess. I obviously already had the link to the manual, as I posted it.