Re: the foot control speed slide is erratic it will stop...
The potentiometer that varies the speed is probably dirty. Try spraying some "electrical cleaning solvent" into the pot as you move the control. If this doesn't help, you will probably have to replace the pot if you can find one or replace the speed control. Good luck.
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is commonly caused by a dirty automatic idle speed control valve and
throttle valve. Buy a can of throttle valve cleaner (do not use
carburetor spray cleaner!) from NAPA or Carquest (made by CRC
chemicals) and spray it into the air intake while the engine is
running, use up about 1/2 the can, engine will try to stall hold the
speed up, shut it down and let it soak for 30 minutes, restart and
blow out the remaining fluid, shut it down and disconnect the
negative battery cable for 5 Min's to reset the base idle control
You can in most cases repair this by cleaning the engine throttle valve and the idle speed control valve using a product called CRC Spray Throttle valve cleaner. Spray the cleaner into the air intake of the engine with the hose removed from the throttle body, the engine will try to stall so hold up the idle speed manually. Once you have used up about 1/2 can of the cleaner stall the engine out while spraying and turn the key off, disconnect the negative battery cable for 5 minutes and then reconnect and drive the car for a about 25 miles of varied driving modes. If this doesn't cure the problem you may need the fuel injectors professionally cleaned by the dealer service dept.
If you need to slow your sewing machine down I would recommend that you purchase a foot controlled rheostat.
You can vary the speed of the machine by pushing down on the foot pedal and it will increase your speed from slow to fast the farther you push down.
I will include a webpage to see one.
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TRY THIS, itma not be your model, but should help
Title: How do I wind the bobbin?
Pre-tension disk Bobbin winder shaft Bobbin
Pull up the spool pin as far as possible, and then put a spool of thread on this pin.
Pass the thread around the pre-tension disk.
Make sure that the thread passes under the pre- tension disk.
Pre-tension disk Pulling it in as far as possible
If the spool of thread is not in the right place, the thread may tangle on the spool pin.
Pass the end of the thread through the hole on the bobbin from the inside of the bobbin.
Put the bobbin onto the bobbin winder shaft and slide the bobbin winder shaft to the right.
Turn the bobbin clockwise, by hand, until the spring on the shaft slides into the groove of the bobbin.
Spring on the shaft Groove of the bobbin
Turn on the sewing machine.
While holding the end of the thread, gently press the foot controller or press start/ stop button (for models equipped with the start/stop button) to wind the thread around the bobbin a few times. Then stop the machine.
If the sewing machine is to be operated using the foot controller, connect the foot controller before turning on the machine.
When the foot controller is plugged in, the start/stop button cannot be used to start sewing (only for models equipped with the start/stop button).
Trim the excess thread above the bobbin.
Make sure you follow the instructions carefully. If you do not cut the thread completely, and the bobbin is wound, when the thread runs low it may tangle around the bobbin and cause the needle to break.
Slide the sewing speed controller to the right (to set the speed to fast). (For models equipped with the sewing speed controller.)
Sewing speed controller
Press the foot controller or press start/stop button (for models equipped with the start/stop button) to start.
When the bobbin seems full and begins spinning slowly, take your foot off the foot controller or press start/stop button (for models equipped with the start/stop button).
Cut the thread, slide the bobbin winder shaft to the left and remove the bobbin.
Slide the sewing speed controller back to its original position (for models equipped with the sewing speed controller).
Not winding the bobbin properly may cause the thread tension to loosen, and may break the needle.
Wound evenly Wound poorly
When the sewing machine is started or the handwheel is turned after winding the thread around the bobbin, the machine will make a clicking sound; this is not a malfunction.
The needle bar does not move when you slide the bobbin winding shaft to the right.
Did you use a Delco rebuilt Alternator? The ones you get from so called discount auto parts stores are junk and they may be the cause of this problem, monitor the output of the system with a DVOM meter, does the voltage fluctuate? Have you check all the chassis grounds? They are the biggest source of this type of issue when the Alt. is ruled out.
Sounds like possibly a safety switch associated with the brake or shifter is engaging intermittently. There is definitely one behind the brake because when you apply the brake the cruise kicks out. Try looking for this switch and check it out.