I plugged the old timer in unattached from the machine and also got 110 AC. There is a service diagram on the inside of the rear panel - see attached.Īfter the tub filled I measured AC off the timer spades (motor unplugged inside enclosure) of the new timer attached to the machine while agitating and got about 110AC, same as when I tested the meter on the outlet. I will stand there after water fill and a period of agitation to wash a load, push the knob off, turn till I hear an actuator click off the drum, pull on, let the next cycle run for a while, push off, turn, click, pull on, etc. There do not appear to be any internal ribs or supports inside the drum, at least that I can see, coming anywhere near the screw holes that would catch on the screws if they projected too far inside the enclosure. When I shine a light in to the metal casing from the side and turn the knob, it looks like there's a large hollow plastic timing drum (like the metal drums on those little music box mechanisms) with raised prongs all around the outside to actuate the contacts for all the various functions of each cycle like water fill, agitate, spin, etc. The original bolts were about 1/4", and the metal screws might be about 1/8" longer, but the dial turns manually with no resistance or binding. But there's no circuit diagram provided so it's hard to tell.
There doesn't appear to be anything else that controls the timer - components or circuits - except for the wiring harness on the exploded view or parts list in the manual. Maybe moisture, or vibration, or (hopefully not) a worn wire somewhere. Which might mean power to the motor or a connection or something similar, but that meant it would have had to happen on it's own for the old timer to quit. The fact that the old timer and the new timer were doing the same thing lead me to believe that the same problem was still occurring. I did not see any corrosion on any of the tabs, but I'll clean them and rough them up a little to make sure there's good contact on the connector spades. I was going to look at the timer to try to isolate the motor tabs so I could try to test them with a meter.
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