My MTD snowthrower fuel line leaks where it is attached to the engine.It appeares to be ''pressed on'' with no threads.How do you seal this leakage? It runs fine,but leaks like a sieve.It is gravity fed,no pressure involved.
We have an older snowblower that we just bought used. It's just been sitting in the garage and when we woke up this morning the fuel line had broke and gas was everywhere. Can we replace the line ourselves?
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That is a fuel tank vent kit. Most models have a vent in the fuel cap but that model uses a separate line with a Duck bill vent (usually a green rubber inside that piece in picture). Part number for that is 574859301 . Your blower should run ok with out it but could leak fuel. If you are going to order any parts for your blower do so using Model # PPBP30 Your parts will be cheaper. That particular model has exchanged hands between MTD/Mcculloch/Bolens and Husqvarna/Poulan over the years. The parts are cheaper when you use the Husqvarna/Poulan model # PPBP30. Only noticeable difference will be a yellow starter housing if you buy a starter assembly.
clamp off fuel line or drain tank ,there is a brass nut on bottom of carb.(holds on fuel bowl) the brass nut is also the jet for the carb.unscrew nut and check for dirt or foregin material plugging pick-up holes on side off nut body,also make sure center hole is opened (small straight pin size hole) be sure to wipe clean inside bowl before reassembly.
Your engine is running lean, you need to drop the float bowl and clean it out. Also make sure the fuel is running freely from the tank when you disconnect the fuel line from the carb. Then if it is still running lean, adjust the mixture screw on the bottom of the float bowl. Slowly turn it counter-clockwise until the engine smooths out. This will fix your problem. If it starts sputtering and black smoke starts, turn it back untill it runs smooth.
inside the fuel tank you will see a flexible fuel line with a filter attached to the end ... that filter acts as a weight to position the fuel line in the lowest part of the tank no matter what postion the blower is in ... make sure the fuel line isnt broken .. also make sure the filter is still attached .. you can replace the fuel line and filter but both have to be able to handle achohol (in the gas) .. most of the older fuel lines cant and they go bad in a short time .. its actually hard to find the correct fuel line ... the size is not usually a problem but the material its made of has to say its suitable for modern gas .. most i found at local shops are the old type and wont work ..