Thursday, October 31, 2013

Add a Reverse function to your Jet Midi Lathe VS1014 woodworking lathe

A brief video I created that encapsulates the ease in adding a reverse function to your Jet Midi Lathe with just a $4.50 double pole-double throw switch, a few terminals, butt splices and a few inches of 12-14 gauge wire.  Makes it really nice for some intricate detail work when using a drawbar secured mandrel.


90 Series Kenmore Dryer, Model 110 continues to run and will not stop, runs from dryer cycle to dryer cycle + timer switch test


A few days ago my dryer continued to buzz and would not stop buzzing until I opened the dryer door.  After shutting the door again, the buzzer began once again buzzing and the dryer continued running.  The timer switch ran from cycle to cycle and the dryer would not stop running.

My initial thoughts were that it was the push button 'on' switch perhaps stuck in the on position.  I turned the power off to the dryer and checked that switch and that was not the issue.

To test your dryer switch:
  1. just turn the breaker off serving the dryer
  2. gain access to the switch
  3. disconnect the switch wires
  4. using an ohm meter, measure the resistance across the switch while depressing button and releasing it (should get a very low resistance reading or infinity reading -continuity beep- while depressing and read nothing when releasing)
  5. if you receive a low resistance reading also when you release, the switch is burnt or welded in the 'on' position 
this could create the issue that I mentioned above.

However if your switch checks good, then it more than likely is your timer switch.  One or more of the internal copper contacts have been burnt or fused (closed) thereby never opening the circuit, thus causing your dryer to continue to run from cycle to cycle.

To gain access to internal components of control panel.  


 Just pull out and upwards gently on the control panel. Flip the control panel all the way over, they are designed to flip over and hold themselves in the up position, so that you can access the internal components on the back of the front panel.


The timer switches have wiring harness that will allow you to remove 3 wires at a time and you will notice that the wire positions are marked on the back of the timer switch according to their appropriate color.  So there is no worries with placing a wire upon the wrong terminal.  I have included a 'rear of switch schematic' below in the event you have issue with colors.

For the part number of the dryer switch, you will find that number on a label affixed to the switch.  I believe for most 90 series, model 110 dryers it will be the 3976576 part number. But you can certainly double check on the affixed label.  Should be in bold font.

Here is the rear switch schematic below:


This chart will help you if you need to know what each timer switch colored wire feeds. 



~chris

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