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Old 22nd Nov 2018, 10:32 pm   #1
bikelectro
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Default Hoover LOGIC 1300 A3792

Just saved this oldie! I have only ever repaired a few washers. Done bearings twice in the past.
Only just looked quickly at it, hoping for some Hoover experts to advise if this is feasible - or am i bonkers! I hope to get back to it on Saturday in daylight as it is in the garage. If i fix it up i will use it as i have a really cheap machine that likely wont last long!
I checked the drum and on spinning by hand the bearings seem ok and motor sounds like the brushes are ok. I set it to spin and nothing - just a series of clicks from the timer. I then set it to a wash and could hear it open the inlet valve, but with no water connected so that’s as far as i got. I’m already thinking the timer is dodgy and will try to see what i can get to work on Saturday.
I’m just wandering what can be got for these and is it feasible to get it working for light once a week use. I’ve read online people saying these are great old machines and i hate the 2.5 hours the modern machines spend to do a proper wash with so little water. I found a late ‘89 date code. It has a steel drum and bolt on alloy drum back - really good to work on.
Cosmetically, it has a few scrapes and unfortunately the facia wording is worn off. If anyone has this model i would love a close -up so i can see what switch does what! The blue scuffs you can see in the pics, i have since scrubbed off, so the facia is now reasonable.
I would appreciate any advice and ideas! Thanks.
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Old 23rd Nov 2018, 1:20 am   #2
Graham G3ZVT
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Default Re: Hoover LOGIC 1300 A3792

I doubt if you could tell by sound alone if both brushes are making contact with the commutator and not just one, so that's perhaps the first thing to check visually.

Second thing would be to check continuity of the wires to the motor, as these prone to go open circuit where they flex.
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Old 23rd Nov 2018, 9:45 am   #3
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Default Re: Hoover LOGIC 1300 A3792

Thanks, I'll check them first before I let it fill with water. Cannot wait to get at it in the morning!
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Old 23rd Nov 2018, 10:37 am   #4
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Default Re: Hoover LOGIC 1300 A3792

My dad regularly had to replace brushes on their hoover of that kind of age. Same symptoms.
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Old 24th Nov 2018, 11:44 am   #5
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Default Re: Hoover LOGIC 1300 A3792

Thanks for the suggestions, sadly on removing the back i discovered the alloy drum back has all badly corroded and water has been leaking out over both drum and pump motors. I think this has had its 30 years and done well!
Drum motor may still be ok as maybe the timer.
I’ll not dump it just yet in case anyone in NI has a drum back, or if anyone needs bits off it.
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Old 24th Nov 2018, 1:21 pm   #6
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Default Re: Hoover LOGIC 1300 A3792

You might get away with a good dose of silicone sealant round the drum/back flange.

Fair amount of hassle, though.
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Old 25th Nov 2018, 7:48 pm   #7
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Default Re: Hoover LOGIC 1300 A3792

it needs water in it to trip the pressure switch which will then put power to the timer motor allowing it to advance
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Old 1st Dec 2018, 1:10 pm   #8
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Default Re: Hoover LOGIC 1300 A3792

An update, the motor brushes are the main problem - completely shot. The motor looks ok but the drum back has had it.
I am just thinking will i buy brushes to see if motor and timer are ok. I can then check it will spin and drain ( don’t want to fill the bad drum ). I was going to remove the drum back to see how the spider and shaft are, but for all the price of brushes maybe do that first.
Looking for vintage washer fans advice! What are the chances of finding a good drum back?
It will then need bearings and the sump pump is stiff - but i may be able to sort this. Also how is the spider likely to be?
Any ideas greatly appreciated!
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Old 1st Dec 2018, 7:02 pm   #9
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Default Re: Hoover LOGIC 1300 A3792

I may be wrong but is the corrosion caused by the seal failing? Years ago we had one of these Hoovers that leaked from the same place, we unbolted the "backplate" and drum assembly, cleaned the surfaces and seal, plastered the whole lot in clear silicone, and bolted it back together. Worked for years without any hint of a leak
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Old 1st Dec 2018, 9:29 pm   #10
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Default Re: Hoover LOGIC 1300 A3792

There is a rubber seal, sort of triangular section. It should be possible to reseal it, silicone and plastic metal if the ally is badly corroded.
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Old 2nd Dec 2018, 5:53 pm   #11
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Default Re: Hoover LOGIC 1300 A3792

Thanks for the ideas. If you look closely at my pics, the alloy is all breaking up - i think it is too far gone? I think there will be a load of gloop in there from fabric softener\liquid detergent that has retained water and caused the corrosion. I had a completely corroded spider in just three years in a machine because of conditioner. It is, after all well beyond its design life!
I would like to fix it. I think I’ll fit brushes to see that i can get it working and try to get a better casting.
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Old 3rd Dec 2018, 6:44 pm   #12
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Default Re: Hoover LOGIC 1300 A3792

It would be real nice to see it restored as there cant be many of them left in the wild nowadays.
Remember selling that model back in the day , decent enough machines.
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Old 3rd Dec 2018, 8:32 pm   #13
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Default Re: Hoover LOGIC 1300 A3792

Well had another look. I ordered very cheap brushes for it and thought to clean the commutator ( which looks good ) but i think i was wrong and that there is enough left on the brushes. I tried putting it to spin. On both the slow and fast spin settings, the drum now spins smoothly, but only at a sort of wash or maybe pre - spin tumble speed. It does this for a good while, probably “thinks” it is spinning, then it stops then starts again a couple of times in the same direction as if a post spin tumble ( don’t know it’s correct routine ) and then finishes the program. I’m not very experienced with washers and not sure what is wrong. Checked motor connections. Motor and drum bearings seem nice and smooth although with the drum belt off has some drag with the seal - I don’t know what is normal. It turns easy but stops quick when i let go. Power gets to the pump, but this is all rusted and rotor jammed.
So it needs this and extensive repair to the casting and whatever else! I think the timer is ok. I was just hoping to see it working on spin before dismantling to check the spider as these cannot be got. Any other ideas? Input so far much appreciated!
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Old 4th Dec 2018, 8:01 pm   #14
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Default Re: Hoover LOGIC 1300 A3792

Hi the back alloy plates on many machines of this age have gone like yours, the detergents eat into the alloy like plaque on teeth. in some cases you can repair them with liquid metal and replace the rubber seal. also have a look on ebay, some times back plates come up for sale.

very reliable machines if looked after and will last many years.

I have restored many vintage machines including Hoover and Hotpoint....
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Old 4th Dec 2018, 9:37 pm   #15
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Default Re: Hoover LOGIC 1300 A3792

I’m not giving up - just yet! Tonight i took the tube off the pressure switch and blew down it, was ok i think, left it off and put to spin, same as before, low near wash speed smooth rotation and finishes to stop position without properly spinning.
Can poor brushes cause this? I may fit the new ones when they arrive, or could it be the timer?.
Think i have been unlucky there’s a few things wrong with this one, but it looks like it has been in use until very recently.
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Old 12th Dec 2018, 10:49 pm   #16
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Default Re: Hoover LOGIC 1300 A3792

just a couple of thoughts,in the past ive used car starter motor brushes,cut down and filled to fit,also cant the drum be built up with tig weld? m3vuv.
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Old 13th Dec 2018, 10:25 am   #17
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Default Re: Hoover LOGIC 1300 A3792

Don't use ex starter motor brushes as they are rich in copper, and normally only used for a few minutes unless the engine is a poor starter. What you need are carbon brushes, dynamo maybe which a just carbon only. I haven't fixed a washer for several years and seem to remember that the face of some brushes are angled as are the brush boxes. I think it is the washing powder which causes the corrosion and two dis similar metals in a liquid creates a cell, also causes yet more corrosion, steel and die cast aluminium. Ted
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Old 13th Dec 2018, 11:18 am   #18
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Default Re: Hoover LOGIC 1300 A3792

Aluminium alloys can be built up well enough by TIG welding, but that drum back will be a diecasting alloy and would need specialist rods and probably back-side argon flood. Then the mating faces and seal groove would need re-machining.

I bought a top-end AEG about 20 years ago. Inner and outer drums are stainless. The bearings are extra-large and are carried in a cast iron frame which carries the motor and suspension mounts. It might be worth keeping an eye out for something like this or an old Miele if you want a classic washer as a runner. Mum used to buy Hoovers and I remember the incessant stream of repairs under warranty. None lasted as long as her first automatic, a Liberator. Old washers are seen as valueless, so starting with a posh one with real engineering in it needn't cost more.

I was TIG welding a wok yesterday!

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Old 15th Dec 2018, 3:20 pm   #19
bikelectro
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Default Re: Hoover LOGIC 1300 A3792

Thanks for your ideas. Well, i fitted new brushes - old ones looked ok, checked again around motor, nothing visibly wrong with it or the motor control pcb, reseated its edge connector. Still it won’t spin - same as in post 13, turns at wash speed with some pauses gets thru to the end of both spin programs.
Really don’t know why?
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Old 15th Dec 2018, 7:45 pm   #20
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Default Re: Hoover LOGIC 1300 A3792

I know very little about the inner workings of washing machines, but I had a thought when reading your post today.

Could there possibly be some sort of faulty (or stuck) sensor that is making the machine think that there is still too much water in the drum? Or maybe think that the load of laundry is unbalanced (even though there is no laundry!)

Hope I've explained what I mean clearly enough - I'm not technically minded at all
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