Thread Number: 59068  /  Tag: Vintage Automatic Washers
Hotpoint 15790 - Rebuild
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Post# 816288   3/28/2015 at 17:52 (3,287 days old) by supermaticjames (Donegal, Ireland)        

Evening all,

Well I've had a busy week - The 15790's faults were found and I was glad to be reassured that they were fixable with some patience and skill.

First of all, the leak. As expected, the seals were in good condition so my attention was turned to the support tube. There was some corrosion which led to water seeping out between it and the bellows. I thought now would be a good time to inspect the support tube on the 9605 that I was going to salvage for spare parts. This was in better condition but it still had some corrosion. I was well aware of the fact that these support tubes are long obsolete and pretty much unobtainable so after asking an engineer I am friends with I was given the answer. Turns out you can repair the support tubes by brushing off any corrosion with a wire brush and filling in any pitting with car body filler. So that is just what I did, and it worked!

Next I had to tackle the gearbox issue. This was somewhat more simple surprisingly! Since the 9605 had a better gearbox and a much better bearing yet leaking oil from the pulley shaft (due to Hotpoint's cost cutting exercises in the late 80s), it was obvious that I had to pair the 9605's upper gearbox with the 15790's original lower gearbox. This was a success!

The 15790's original friction dampers were expired and yet again this was an obsolete part, not that it really matters anyway because I was informed by the aforementioned engineer that the 9605's dampers were of a better design and can be fitted to the 15790 if a large washer was fitted underneath each bolt through the base. So this was done without much trouble and indeed the suspension is much more sturdy like the 9605 yet not restricted so that the machine would go walking across the floor.

Apart from these tasks the pump was cleaned and the each part of the machine was given a clean - the job may as well be done properly when it involves a big strip down like this! I've noticed that the top loaders seem to gather up a considerably larger amount of gunk than front loaders. This could just be down to the roomier outer bowl and of course gravity.

Anyway, I was now in a position to start rebuilding!





Post# 816290 , Reply# 1   3/28/2015 at 17:55 (3,287 days old) by supermaticjames (Donegal, Ireland)        

Support tube, gearbox, element, thermostats and pressure chamber added to that lovely clean tub!

Post# 816293 , Reply# 2   3/28/2015 at 17:59 (3,287 days old) by supermaticjames (Donegal, Ireland)        

Pump and bellows refitted.

Post# 816294 , Reply# 3   3/28/2015 at 18:02 (3,287 days old) by supermaticjames (Donegal, Ireland)        

Bowl support bolted correctly into place.

Post# 816296 , Reply# 4   3/28/2015 at 18:05 (3,287 days old) by supermaticjames (Donegal, Ireland)        

Nice, clean bowl ready for fitting!

Post# 816298 , Reply# 5   3/28/2015 at 18:07 (3,287 days old) by supermaticjames (Donegal, Ireland)        

Bowl in place.

Post# 816299 , Reply# 6   3/28/2015 at 18:08 (3,287 days old) by supermaticjames (Donegal, Ireland)        

Bowl bolted in and top seal refitted.

Post# 816301 , Reply# 7   3/28/2015 at 18:10 (3,287 days old) by supermaticjames (Donegal, Ireland)        

Tripod, new special nut and cork washer refitted.

Post# 816303 , Reply# 8   3/28/2015 at 18:13 (3,287 days old) by supermaticjames (Donegal, Ireland)        

Bolt caps refitted. I was so happy and relieved to find myself at this stage!

Post# 816305 , Reply# 9   3/28/2015 at 18:22 (3,287 days old) by supermaticjames (Donegal, Ireland)        

Currently, the machine looks like this - The drain hose and tub seal has been refitted and all of the wiring down below has been reconnected. The earth wire to the motor was also replaced.

Tomorrow I will be putting the cabinet back on and checking for leaks. Hopefully, all of this hard work has paid off!

James.


Post# 816326 , Reply# 10   3/28/2015 at 19:41 (3,287 days old) by sesteve (London, UK)        

sesteve's profile picture
Fantastic work James. That heater looks brand new. It is amazing the fluff and stuff that ends up in the bottom - mine had one of those Persil tablet bag things in there. You might need to keep an eye on the bowl securing nuts - the ones on my 15792 have rusted and caused the caps to split. I've got a new kit to replace them but not sure why the have rusted in the first place.

You could give it a try without the cabinet in place, just put the console back on, that way you can see all round to check for leaks etc. also I put some WD40 with lithium grease on my dampers as they were really squeaky and it's really smooth and quiet now although the service manual says don't use anything but fabric softener. The later mounts are more sturdy - I was worried that mine on the 1509 were perishing but it was because one of them had come out.

Anyway, well done - quite a challenge but well worth it. Look forward to seeing it wash soon
S :)



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