Chief Master Appliantologist DADoESTX offers one of the simplest and clearest explanations of the neutral drain function that I've ever read:
Neutral drain is exactly that ... no agitation and no spin ... just the motor running to pump out the water.
The motor is reversible. Runs one direction for agitation, reverses for drain and spin.
The pump runs at all times, in whichever direction the motor is running. Agitate direction, it forces the water back into the tub outlet. Reverse (drain & spin) direction, the water pumps out of the tub and through the drain hose.
During agitation, the neutral drain mechanism (cams and pawls and latches and such) in the transmission presets so that when the motor next pauses briefly and restarts in the reverse direction, the tranny goes into neutral drain mode.
When drain is finished (one increment on the timer, 2 minutes), the motor pauses, the neutral drain latch mechanically releases, and the motor restarts in the same (reverse) direction to engage spin. Of course, draining also occurs to pump away the water extracted from the clothes.
The pause between agitate and drain is required both for the motor to coast to a stop before reversing, and for the neutral drain latch to engage.
The pause between drain and spin is required for the neutral drain latch to release.
The neutral drain parts in the transmission wear over time such that it may not preset during agitation, causing spin to begin immediately when the motor reverses.
Very early direct-drive machines (the first couple/three years) did not have the neutral drain feature. There was a pause between agitate and drain for the motor to coast to a stop, but spin (intentionally) started immediately upon the motor's reverse.
Source: Whirlpool WTW5505SQ1
As professional Appliantologists, we've all run into situations where we realized that we needed a way to log temperature data inside a refrigerator for at least 24 hours to get a clear picture of what's going on inside that box. A couple of examples are:
Which needs the Supco LOGiT software package to enable it to connect to your Windows PC to set it up and download the data:
...and it all works AWESOMELY! Here's a video I made showing you how to set up and use the LT2 and the type of temperature profile graph it generates:
Since I am a Mac user who (until recently) didn't own a Windows PC, the above two items necessitated the purchase of my first Windows PC in over seven years! Turns out this was not as expensive a proposition as it sounds.
I clicked on over to my favorite computer gear store, Tigerdirect.com, and picked up this refurbished Lenovo Windows 7 notebook computer for less than $300, including shipping!
1.5 year old Bluestar freestanding gas range door would not close completely[attachment=6793:Bluestar01.jpg]. This allowed heat to escape, resulting in uneven cooking temps and extremely hot knobs. (not talking about my wife!)
The Chief of Staff insisted the installer had repaired it with a "long skinny screwdriver" without removing the door.
Well, After many beers and on-line researching sessions, I decided a few things!
1. Bluestar definitely has a door "problem"
2. I didn't want to pay for a new door
3. We live in the sticks
4. The damn thing should work!
So, I did the only thing any red-blooded American member of the Samurai Appliantology Academy would do,
decided to disassemble the door and finger it out.
What I discovered, is Bluestar has a design flaw in the interior of it's doors (at least on 2010 models).
The hinge assy spring rods:
(guessing at nomenclature, don't have a manual) float freely within the door. However, as you can see:
when closing, at full extension the ends of the bars contact the sheet metal heat shield. I flexed the heat shield out of the way, which allowed:
the springs to extend fully, which allowed the hinge cam rollers:
to complete their throw, thereby closing the door firmly:
I removed the door by releasing the receivers on each hinge:
then pulling the door from the oven. I then removed the Door Cover by removing all retaining screws (10).
After placing the door on a smooth covered surface ("Don't scratch the damn paint", she said with vigor!),
I used a Dremel with hardened cutting wheel to cut an approximate 1/4" incision:
on the heat shield on both sides ( Cut with the blade rotating in a direction which doesn't throw debris into the fireproof mat material underneath the sheet metal heat shield )
Then I reinstalled the door minus cover (note: the door without the weight of the installed cover will snap closed, requires more attention and less beer to perform):
Opening the door slightly allowed me to compress the springs enough to attach a vise grip:
to the tabs created by the cuts and bend them outwards slightly at approx 25deg angle:
This angle allowed enough clearance between the heat shield and the back of the door cover, and also formed a ramp upon which the spring rods ride closed.
I then removed the door, attached the cover and reinstalled the door.
Worked perfectly, door closed completely, wife happy (the most important result ), no more hot knobs! I also think the first repairman knew the problem and used a long skinny screwdriver to free the guide ends. Of course, the next time we opened the door they flexed out and came to rest on the fire shield. I think maybe he was expecting another service call??? At any rate, after much searching on the web, there are a ton of complaints about Bluestar doors. Hope they find us here! Cheers!
Source: Bluestar Range RCS30 Door Hinge Repair/Fix
The reception was a blast: open bar with beer, wine, mixed drinks; live Greek band; lots of Greek dancing, partying and having a good time. There was so much prep leading up to the wedding that I got behind my other work and have been playing catch-up for the last month. I think things are finally getting back to normal.
Anyway, here's a movie my all-white wife put together of some shots from the wedding and reception along with a cool Avett Brothers soundtrack. Some of these pics you may have already seen in the album I posted in the Gallery at this site, but there are a lot more in the movie. Enjoy!
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Understanding Engineers05 May 2013
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