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435 will start but only will run for a few seconds. I changed plug, cleaned air filter, and replaced the fuel filter, but it still will only run for a few seconds. I have used this saw for two years and only started doing this this morning. I have always used 100% gasoline in this saw.

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Check your muffler it may need cleaning, or if it has a spark arrester on the muffler that will plug with carbon and do exactly what you describe. If that checks out and you have good compression, check your fuel supply line to the carburetor for cracks or fitting loose. If not that remove carburetor disassemble and clean, replace seals with new ones and try starting. Your problem should be fixed. If not you need a new carburetor.

Posted on Jul 31, 2013


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My Bernina 801 sport will not sew. When I step on the foot pedal, nothing happens. Sometimes it will sew for a few seconds and then stop. I cleaned it out but still will not sew

There can be a few problems that match your inquiry. Pleas check the machine in the following logical order:
  1. The power cable can be defective....With the machine plugged in and un-threaded, step on the foot control to check for a motor run condition and at the same time wiggle the cables at the motor plug connection. If the machine runs/stops/runs and stops, it is likely that the cables and or plug are damaged. Replace the cable. If the cable is found to be good, go to step 2.
  2. Check the motor run condition by changing foot controls. If the machine runs without a run/stop problem, the original foot control will have to be rebuilt. If the foot control is found to be good, go to step 3. Step 3 is for a qualified technician level of competency only.
  3. Remove the power cable, back cover, motor belt, motor housing. Remove the closing plate on the back of the motor housing to inspect the motor brushes. If the carbon brushes have worn out, you will probably find some damage to the commutator bars due to the brush springs having arc-worn the commutator. Generally, this type of damage can be repaired with excellent results. Most of the time however, motor brushes are installed by a sewing machine repair person, but no effort is made to repair the damage by resurfacing the commutator to a precision cylindrical diameter. This being the case, new motor brushes will have a very short life and further damage to the motor is likely.. Amateur attempts are sometimes made by applying some sort of tool or sandpaper to the commutator while the motor is running in an attempt to resurface, but concentricity and cylindricity cannot be achieved in such a manner....If the motor brushes are good go to step 4.
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Replace fuel filter f-250 gas truck

SAFETY FIRST!!! Keep all heat sources, sparks, and flames away from the work area. Remove either the fuel pump fuse or fuel pump relay. Start the engine a few times to remove the fuel pressure from the fuel filter. Wear safety glasses, have a fire extinguisher available, bring rags, and a drain bucket too. After the fuel pressure is relieved, located the fuel filter on the inside of the driver's side frame rail. In a controlled manner, remove the retaining clips and slowly pull the fuel lines away from the fuel filter. Don't force them. Don't stress them to the point that they may break. Do not kink the fuel lines. After removing the fuel lines. You will notice some fuel leaking out. Use the rags to keep yourself clean. Gas is harsh and can irritate your skin. The fumes can make you nauseous too. work in a well ventilated area. After the old fuel filter is removed from the mount reverse the procedure. Place the new filter into the mount (with the arrow facing in the direction of the flow, towards the front of the truck), Install the new retaining clips that came with the filter, and install them the same way that the old one's were removed (look at them closely, they can snap in two ways but only one way is right). Slide the fuel line back onto the fuel filter (as straight as possible). sliding the fuel line back on, on an angle can damage the o-ring (do not force it back on). After both fuel lines are installed, gently tug on each fuel line. Make sure that they are secure. Reinstall the fuel pump fuse or relay and cycle the key on and off to pressurize the fuel line. Turn the ignition key off and go back to the fuel filter, check for leaks. Start the engine and again check for leaks. Clean up your work area and be careful where you store those rags. Until the gas completely evaporates, they are very flammable. Any questions, please write back.

Feb 21, 2014 | Sewing Machines

1 Answer

Ran straight out the box

Sounds like you ran it with the choke on - best bet is to take the carburetor apart and make sure the float isn\'t suck and clean it out. Take out the spark plug and spray it with carb cleaner and dry it - wipe out the spark plug area. Reinstall the plug and carb. Give it a pull a few times let it run then adjust the throttle to the lowest setting and then back to the desired operating speed. Listen to the engine you should be able to hear the choke cut off when you adjust the throttle.

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1 Answer

How do you clean brother SQ9050

try changing the needle
try rethreading the machine top and bobbin
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try using a different bobbin
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Check and replace the impulse line if you haven't already. How did you set your carb screws after the rebuild? Start with them lightly seated and then give each a 3/4 turn out to get yourself started.

Mar 17, 2017 | Sewing Machines

1 Answer

I have a Singer 6105 and the thread is birdnesting for the second time in a few weeks. I have cleaned the bobbin area, threaded and rethreaded and changed needles. All to no avail. When this happened a few...

Double check:

Threaded with presser foot up.
Feed dogs are engaged.
Stitch length set at proper length.
Thread is feeding from the bobbin spool in the correct order and through the proper guides.

Problem still there - take the machine and a sample of the stitching back to the repair guy and ask him to check the timing.

When you pick up the machine, take a scrap of fabric and give the machine a thorough test run - threading, bobbin winding, stitching before leaving the shop.

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1 Answer

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Husqvarna 51 chainsaw will barely run, magnito and carberator ok

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