Thread Number: 77818  /  Tag: Vintage Automatic Washers
Hoover Logic 1300 A3792 Newbie help! 		[Down to Last]

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Post# 1018532   12/19/2018 at 18:28 (1,944 days old) by Bikelectro (Northern Ireland)        

Hello all!
My background is consumer electronics repair and i love old radios and HiFi. I posted about this on UK vintage radio forum, but there’s not so many people into old washers on there!
Rescued this from being dumped and don’t know its history. It has problems but I’ve been told “save it, it is worth it “ by a Vintage Radio member.
I have repaired only a few washing machines and done bearings a couple of times and have a reasonable knowledge of how they work, but not much experience. Here’s what i have found with it:
The cast alloy drum back is corroded and has been leaking, this has rusted the sump pump on which the winding is ok but the laminations have rusted / expanded and jammed the rotor. For these reasons, i have not connected water.
I set it to both spindry programs, the timer clicks, spin neon lights and the drum spins slowly ( like wash or distribute speed but will not go to proper speed, it will stop and start this a few times and finish to the stop finished position. On the faster program, it takes longer , stops and starts, same clockwise rotation and i think on the last time the motor makes a different noise, isn’t as smooth but is still the same slow speed. The Timer applies power to the jammed pump ok and both timer motors operate.
I have st it to various wash programs ( no water connected ) and i hear it opens the inlet valve and on some programs it turns the drum slowly.
Things i have checked:
Motor connections and motor look ok, new brushes fitted, commutator clean and looks good.
Pressure tube taken off switch - blew down, it is clear, blew into switch, can hear 3 healthy clicks so it seems ok and not stuck.
Options push button unit removed and all contacts cleaned.
Speed control PCB removed and looks perfect , no dry joints or signs of overheating or any distress.
Motor not getting hot and windings all look ok.
This machine may not be very heavily used since 1989 when it was made, but time and detergent has rotted the alloy back. If i can get it to spin and be reasonably sure the timer and motor are ok, then i will go further and dismantle the drum, check the spider etc and i have been told that back and drum assy can be got from someone for £100, or any other source. I would love to fix this to use for light once a week duties instead of my very cheap rubbish modern one which likely wont last much longer.
Any advice much appreciated!




Post# 1018791 , Reply# 1   12/21/2018 at 23:06 (1,942 days old) by cfz2882 (Belle Fourche,SD)        
transatlantic welcome

 sometimes there is old radio/HiFi/TY activity over on super forum :) Hopefully you can find the parts needed to get the washer back in operable condition.

Post# 1018812 , Reply# 2   12/22/2018 at 08:43 (1,941 days old) by Rolls_rapide (.)        

I found your post on Vintage-radio.net

www.vintage-radio.net/for...

Regarding several things:

'Creaseguard' button: The Synthetics and Delicates programmes all 'stop' on the final rinse, leaving the clothes suspended in the final rinse water . This is 'Rinse Hold' or 'Spin Delay'. To get the machine to advance to the slow 600rpm spin, one simply holds the button in for a second or two, to allow the timer to auto-advance. An approximate two-minute spin is done.

Jammed pump: That might be feeding back excess current to the controller board, aborting spin. These shaded-pole vortex pumps are obsolete. The modern equivalent would be a magnetic paddle pump.

Timer: Perhaps the timer has gone bad? I remember a Hoover Logic tumble dryer my parents had, developed a dead section within the mechanism (internal contacts, cams, etc). Advancing the timer wheel by thumb ever so slightly, allowed the machine to work. The timer had to be replaced.

Also regarding the timer, I wonder if the cogs or edge-wheel could have become misaligned, leading to the wrong internal contacts being used? I remember with one or two of the old Hoover washers in the past, they liked the dial to be precisely on the 'letter', else they did odd timer advancing.

Post# 1018898 , Reply# 3   12/23/2018 at 05:51 (1,940 days old) by Bikelectro (Northern Ireland)        

Thanks for the ideas.
This is totally electromechanical s I think the pump problem won’t effect it
Interesting about the crease guard !, so that’s why it doesn’t latch
The timer does advance to the end position so I think it is ok
I checked the tachometer coil and magnet seem oil going to check the pressure switch agaiin
In case a contact needs to be closed for it to spin
Cheers for the ideas and the wellcome😀


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