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- เผยแพร่เมื่อ 30 ก.ย. 2024
- here is a short repair with no new parts on a briggs pulsa jet type 3.5 horsepower engine. It is on a lawnmower that I have had for ages and that is on its second deck! the engine has had no attention until now. the engine would start on the fuel that the primer injects but then die. The diaphragm between the carburettor and the petrol tank had distorted meaning that one of the pulse valves that puts fuel in the fuel bowl was not closing properly. To repair it I cleaned it all out and when I was reassembling the carb I pushed the diaphragm in a bit so that the valve flap on the diaphragm would cover the hole. very simple fix!
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Thanks for a great solution, I hope that this is my problem. I have the same problem, starts but dies after a few seconds, changes the gasket and diaphragm, no diferencece!!
Will pull it apart and try your fix... keeping my fingers crossed
By watching you video, I finally made my engine working too! In my case, the diaphragm edge between your spot and right side (that raised by the underlying spring) seemed stretched to the right site, I had to pull it back, although not sure it would back to the right position, luckily it worked. I did it with a simpler approach - take off the ignition coil, loose the two screws on the other side of the pipe between the carburetor and the inlet valve, loose the carburetor itself, then take out the carburetor with that pipe together (edited: still need to take out the tank). My mower slept there for two decades and now is back to work! Thank you very much!
good news!
Didn’t want to jinx myself. Did everything and now stays running at 90% of how it should. All cleaned and aligned. Before would start and die. Thank you.
The black cover almost matches the orange deck.
Great vid bud
Was having the same issue with my mower. Would have not have had an iota about that little flap and it fixed the problem. Thanks a million for posting
That was great!
I was having problems u helped me solve it i appreciate that saved me some money
I was having problems u helped me solve it i appreciate that saved me some money
Badly maintained mower
LOL
Thank you captain obvious. Well done!