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Author Topic: GE Hydro Wave Washer -Mode Shifter Ghetto Repair  (Read 25154 times)

Offline goodsusedappliance

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GE Hydro Wave Washer -Mode Shifter Ghetto Repair
« on: February 25, 2013, 04:08:42 PM »

I opened up the solenoid on the mode shifter WH38X10017.  There is a thermal cut-off wired on to it.  I bi-passed it and put it back together and everything works fine.  Is this a bad idea?

Offline domain

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Re: GE Hydro Wave Washer -Mode Shifter Ghetto Repair
« Reply #1 on: February 25, 2013, 05:08:59 PM »
WHOA! Pics? :D

Offline JWWebster

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Re: GE Hydro Wave Washer -Mode Shifter Ghetto Repair
« Reply #2 on: February 25, 2013, 05:41:49 PM »
Cool. Ain't no bad idea long as you put a bullet fuse in there or the equivalent. I would love to see that too. How did you get into it?
The older washers would work fine UNLESS a person added a garment after that solenoid was initiated. Instead of being activated for seconds it stayed on for minutes thus it would blow the solenoid. This is the first I have heard of a limit within the circuitry.
« Last Edit: February 25, 2013, 05:46:24 PM by JWWebster »
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Offline LowSL2

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Re: Re: GE Hydro Wave Washer -Mode Shifter Ghetto Repair
« Reply #3 on: February 25, 2013, 08:31:28 PM »
WHOA! Pics? :D

I need to see this too. I'm tempted to tear apart the one in my truck...

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Offline fairbank56

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Re: GE Hydro Wave Washer -Mode Shifter Ghetto Repair
« Reply #4 on: February 26, 2013, 08:37:15 AM »

  The coil cover is riveted on so you just have to drill them out, remove the internal fuse and solder the wires directly. Use heat shrink to insulate. You should install an external fuse holder with 2 amp fuse. Use screws and nuts to reinstall the coil cover. There was a web page with pic's that someone did but I can't find it now.

Eric

Offline goodsusedappliance

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Re: GE Hydro Wave Washer -Mode Shifter Ghetto Repair
« Reply #5 on: February 26, 2013, 09:39:34 AM »
Sorry I didn't take pictures.  I pulled out the tub & flipped it. I removed the drive pulley.  I drilled out the rivets holding the solenoid on.  I snipped the red & yellow wires to pull it through. (leave plenty to re-connect)  I removed the plastic housing holding the windings from the metal housing.  I removed some of the tape holding the wires down.  I found
http://www.aupo.com/products_detail/&productId=1dc42fb5-c9a6-4da5-ae4c-941072324fa5&comp_stats=comp-FrontProducts_list01-004.html
this thermal fuse wired between the winding & the Yellow wire. I cut the fuse out and soldered the wire straight to the yellow wire. I used high temp fiberglass tape to keep the wires in place. 

The fuse was rated at 130C witch is 266F.  I'm not sure where to find a fuse so small. I was thinking of trying to burn it up by leaving the door open... just to see what happens. 


Offline niobrara

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Re: GE Hydro Wave Washer -Mode Shifter Ghetto Repair
« Reply #6 on: February 26, 2013, 02:15:41 PM »
Technicians do not have bad ideas. Just some ideas, that need a little modifying. After all, we make the things engineers design work. How long did the repair take you, and could you do it in there home without taking the shifter back to the shop?

Offline JWWebster

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Re: GE Hydro Wave Washer -Mode Shifter Ghetto Repair
« Reply #7 on: February 26, 2013, 07:21:27 PM »
Cool
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Online tgoods

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Re: GE Hydro Wave Washer -Mode Shifter Ghetto Repair
« Reply #8 on: March 17, 2013, 06:33:27 PM »
I just changed a mode shifter out so I opened it up.  It has an A8-5A-F.  It's rated a little hotter than yours, 150C. I couldn't find it for sale so I crossed to an NTE8035. It's $1.25 plus shipping at Mouser. The 130C fuse crosses to NTE8020, same price. The windings look good, no burning, 65 ohms.


I haven't decided if I'm going to repair it or not.  It's only the second mode shifter I've replaced.  I think they're pretty reliable as long as you don't leave the lid up on the older ones. I wouldn't repair one without a new fuse, bypassing safety devices is never a good idea.

Offline domain

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Re: GE Hydro Wave Washer -Mode Shifter Ghetto Repair
« Reply #9 on: March 17, 2013, 06:34:58 PM »
may i ask what leaving the lid up causes to the mode shifter? thank you

Offline fairbank56

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Re: GE Hydro Wave Washer -Mode Shifter Ghetto Repair
« Reply #10 on: March 17, 2013, 08:31:00 PM »

  The inverter applies 135vdc to the mode shifter coil to energize the solenoid for around 15 seconds or so and then reduces that to 30vdc as that is all that is needed to hold the armature in. If you open the lid at the wrong time in the agitate cycle, 135vdc will again be applied for too long a period of time causing the thermal overload to blow. The firmware in newer versions of the inverter has been modified to prevent this from happening.

Eric

Offline domain

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Re: GE Hydro Wave Washer -Mode Shifter Ghetto Repair
« Reply #11 on: March 17, 2013, 09:23:26 PM »
 O0 :thanks:

Offline def

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Re: GE Hydro Wave Washer -Mode Shifter Ghetto Repair
« Reply #12 on: March 29, 2013, 08:02:01 AM »
Gosh, you guys are smart. Why can't we get one of you into the white house? 
I used to repair RADAR then they discontinued vacuum tubes. Pity

Offline Wedgeman55

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Re: GE Hydro Wave Washer -Mode Shifter Ghetto Repair
« Reply #13 on: March 30, 2013, 02:40:24 AM »
I have a mode shifter job this weekend.   I have one customer,  he has about 20 GE Commercial washers,   I have already done 3 for him.    Im gonna take the old mode shifter and try this.    I think the external fuse would be a good idea,  maybe an auto fuse and holder.  You can get them at radioshack for about 5 bucks for both.   I'll sell him a " rebuilt " mode shifter for less,  we both win.   I hope this works.   
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Offline JWWebster

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Re: GE Hydro Wave Washer -Mode Shifter Ghetto Repair
« Reply #14 on: March 30, 2013, 10:17:13 AM »
Take some pix Wedge.
May the hinges of our friendship
        never grow rusty.

About the icons: The beer is tip link, if a tech saves ya some money buy em a 6 pack. The small green square=personal message. The green dot is a link to my web page on appliance repair and other general BS I love to post. The letter sends me email.
I love fan letters! LOL

Online tgoods

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Re: GE Hydro Wave Washer -Mode Shifter Ghetto Repair
« Reply #15 on: March 30, 2013, 08:13:24 PM »
I would replace the inner fuse. It's a thermal fuse, an external fuse would not trip if the coil overheats.

Offline Wedgeman55

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Re: GE Hydro Wave Washer -Mode Shifter Ghetto Repair
« Reply #16 on: April 01, 2013, 01:06:25 AM »
Good Idea JW>    Got company this weekend,  letting the job go to sometime this week.   I was now even thinking some kind of little "circuit breaker"  if it goes out,  all I would have to do is stop back and reset it.   

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Offline fairbank56

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Re: GE Hydro Wave Washer -Mode Shifter Ghetto Repair
« Reply #17 on: April 01, 2013, 08:37:34 AM »
  As tgoods has suggested, this is a thermal fuse and operates on the overheating of the coil, not the amperage draw. The thermal fuse is rated at 2 amps. The shifter requires 135vdc to the coil to engage the solenoid and then switches to 35vdc to hold the solenoid in. At 135vdc, the coil is drawing less than 1.5 amps. The problem occurs when the lid is opened at certain times and the 135vdc is applied for too long a period of time. The coil overheats and opens the fuse. An external standard fuse that I suggested before or circuit breaker is not going to provide protection.

goodsusedappliance: what was the coil resistance on yours? There are two different versions. One uses copper wire and has a coil resistance of around 98 ohms and the other uses aluminum wire with resistance of around 65 ohms. That may be why there are two different fuses used.

Eric
« Last Edit: April 01, 2013, 08:50:49 AM by fairbank56 »

Offline Wedgeman55

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Re: GE Hydro Wave Washer -Mode Shifter Ghetto Repair
« Reply #18 on: April 07, 2013, 10:30:53 PM »
I'll have to wait to get another used one.   Guy decided to wait and plunk in an old maytag he had that just needed belts.    I'll get one eventually.  I can't wait to rip one apart now.
Commercial Laundry repair Tech and Installer  1973 to 1980
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Offline NITROITCH

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Re: GE Hydro Wave Washer -Mode Shifter Ghetto Repair
« Reply #19 on: July 10, 2013, 07:13:37 AM »
Has anyone replaced the RS6006 bearing which is available from most industrial bearing suppliers. My shaft mode assembly is performing properly in the engage and disengagement process, but the tub seal failed resulting the tub sleeve bearing wearing and gauling, and the RS6006 bearing inside the mode shifter is also not spinning smoothly. I disassembled the assembly and I am ready to press out the bearing, but before I do, just wanted to see if anyone has successfully done this.

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