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Forums › Off topic › my lawnmower wont start eh I thought my PC throubleshooting could fix it....doh
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416 posts

Ultimate Geek
  Reply # 552674 2-Dec-2011 15:15 Send private message

the petrol gets into the bottom part of the carb where the is a little round cup like reservoir but I reckon petrol should go up the tubes into the part where the air rushes in and the spark is on the other end. 
I cleaned everything including fuel tank and tubes and carburator.  but after the air pressure clean will see if fix the issue.

cheers,


Andy 

845 posts

Ultimate Geek
  Reply # 552678 2-Dec-2011 15:17 Send private message

Petrol should be feed to one or more small holes in the venturi of the carb




I should not be here

1500 posts

Uber Geek
  Reply # 552699 2-Dec-2011 15:58 Send private message

Jaxson: Got a fuel blockage between tank and carb?

Wouldn't be any fuel in the carbie if there was a blockage.

Sounds like jets (in the carbie) are blocked and/or the throttle isn't set correctly.
You'll know if after trying to start it (and wearing yourself out ) and then check the plug.  If the spark plug is wet with fuel then theere probably isn't enough air (choke on or similar). If plug is still bone dry then maybe carb idle screw is set wrong (or jets blocked) and its not getting enough fuel to start.

147 posts

Master Geek
  Reply # 552708 2-Dec-2011 16:19 Send private message

Sounds like jets (in the carbie) are blocked

Sounds like that to me as well. Be careful.. because if you damage them its expensive.



416 posts

Ultimate Geek
  Reply # 552855 2-Dec-2011 21:23 Send private message

Thank you so much to you all for your ideas and replies Im happy to report that was the jets blocked as now all works great. I managed to boot the system after clearing out the viruses blocking the pipelines and I even managed to reboot to confirm it all works fine and yep all does work great..

thanks


Andy 

710 posts

Ultimate Geek
  Reply # 552945 3-Dec-2011 07:02 Send private message

GamerOC: I discovered yesterday that my lawnmower would not start no matter how hard i pull the flipping cord then I used my pc troubleshooting skills to see if I could fix it like I fixed my LCD tv a few months back...doh

1- I check for overheating like in the PC so I pop the sparkplug out and seemed ok.
2- I tested then the PSU like the paper clip trick I pull the cord and banged the spark plug against the motor body and a pathetic spark came out so I replaced sparkplug.
3- I did a clean up like my regular PC clean up with compressed air at my local petrol station and after cleaning the ouside of the motor(heatsink), air filter ( fans and grills). and still no picture.
4- Must be thermaltake water cooling getting stale so I cleaned the fuel pipes and the fuel tank and put some new petrol and omg still does not start....Im about to kick this @#$ down a clift by now.
5- to be continue Im going now to clear the carburator and see what happens.


If anyone here have any tricks and would like to help me out by sharing I will be grateful,


Cheers,


Andy


lmao! Best Post of 2011

1500 posts

Uber Geek
  Reply # 552981 3-Dec-2011 09:59 Send private message

GamerOC: Thank you so much to you all for your ideas and replies Im happy to report that was the jets blocked as now all works great. I managed to boot the system after clearing out the viruses blocking the pipelines and I even managed to reboot to confirm it all works fine and yep all does work great..

thanks Andy 

Andy. If you don't already do this, it's a good idea when you turn the beast off (especially for longer periods of non use, like over winter) to drain the carbie.  Easiest way to do it is to shut the mower down by turning off the fuel. Engine will run for a minute or soo whilst it uses whats in the carb.

Fuel sitting stagnant in the carb (for long periods) tends to go stale, which is whats happened here. And in the worst case you get a coating (of shellac) through everything. In Jets this effectively blocks them.

Now. Earbuds in, Muffs on...Mow!!

 

147 posts

Master Geek
  Reply # 553238 3-Dec-2011 20:06 Send private message

Happy you got it going.. :)



416 posts

Ultimate Geek
  Reply # 553308 3-Dec-2011 23:17 Send private message

Im happy that I got it going and very happy that all of you guys shared your troubleshooting knowledge with me. I really like that fact that I did not give up and I learnt heaps.

thanks again to all of you for your posts and insightful ideas.


Andy 

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