Thread Number: 49673
Hoover 155 (D6028) Dryer Overhaul Pt 2
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Post# 717944   11/26/2013 at 22:10 (3,795 days old) by crouzet951 ()        

Hi to all again.

I did get the model number correct this time. Sorry about that.

This is the second part of the overhaul - fitting parts and reassembling.

Regards
John



One of the motor end plates. The rotor bearings are sintered bronze which soak up oil for lubrication. Here I've blocked the lower end with plasticine and filled the bush with oil. These were left overnight.

This was done at the last overhaul, and as described in part 1, there is almost no wear of the bushes or rotor shaft.





Post# 717947 , Reply# 1   11/26/2013 at 22:12 (3,795 days old) by crouzet951 ()        

The cleaned up windings, rotor, and one of the endplates, ready to reassemble.

End thrust of the rotor shaft is controlled by washers at the fan end of the motor. They can be seen on the shaft.


Post# 717949 , Reply# 2   11/26/2013 at 22:14 (3,795 days old) by crouzet951 ()        

Looking much better cleaned up.

Post# 717950 , Reply# 3   11/26/2013 at 22:16 (3,795 days old) by crouzet951 ()        

Reinstalled in the cleaned up cabinet. The motor sits on rubber insulators to absorb vibration.

Post# 717951 , Reply# 4   11/26/2013 at 22:20 (3,795 days old) by crouzet951 ()        

Minor disaster 2.

The new fan bushing housing has not been machined properly. I didn't think this would cause any trouble, but the hole in the fan housing that this passes through is quite a tight fit.

The only thing I had to hand to remove this was a fret saw. It did the trick, but it wasn't a pretty sight afterward. No photo was taken. Hehe.





Post# 717952 , Reply# 5   11/26/2013 at 22:23 (3,795 days old) by crouzet951 ()        

Once again, the bushings needed to soak up oil overnight. There is some fibre material between the inner and outer bushes which act as a reservoir.

The new fan shaft is next to it.


Post# 717954 , Reply# 6   11/26/2013 at 22:27 (3,795 days old) by crouzet951 ()        

The old and new shafts. There was already slight wear on the shaft and the bushes when the dryer was overhauled in 1991, and the shaft still looks much the same.

Post# 717955 , Reply# 7   11/26/2013 at 22:30 (3,795 days old) by crouzet951 ()        

This is the new fan bearing assembly mounted in the fan housing. Rather then using aluminium rivets again, I used 3mm stainless steel (ss) set screws with washers and ss nyloc nuts.

Post# 717956 , Reply# 8   11/26/2013 at 22:31 (3,795 days old) by crouzet951 ()        

The new shaft installed in the fan.

Post# 717959 , Reply# 9   11/26/2013 at 22:34 (3,795 days old) by crouzet951 ()        

The fan is very nice cleaned up.

Just thinking, that it would make a great clock dial (perfect with 12 blades for the hours) for the Hoover enthusiast who has everything. Hehe.


Post# 717960 , Reply# 10   11/26/2013 at 22:36 (3,795 days old) by crouzet951 ()        

Reinstalling the support bridge for the drum rear bearing.

Post# 717961 , Reply# 11   11/26/2013 at 22:37 (3,795 days old) by crouzet951 ()        

All ready to go. The felt seal is original and is in very good condition, especially after a good vacuum.

Post# 717962 , Reply# 12   11/26/2013 at 22:42 (3,795 days old) by crouzet951 ()        

At this point I decided to install the thermostat on the fan housing while it was out. It is retained by a rubber grommet that can be tricky to install.

Post# 717965 , Reply# 13   11/26/2013 at 22:46 (3,795 days old) by crouzet951 ()        

The cleaned up cabinet ready to accept the drum. I removed the broken element insulator and glued it back together with Chemical Metal. I thought it was worth the risk.

If it comes apart again now that the machine is back together, it can't do any damage.

If anyone has a spare element insulator for these machines, please let me know as I'd like to buy one as a spare.


Post# 717966 , Reply# 14   11/26/2013 at 22:51 (3,795 days old) by crouzet951 ()        

As mentioned earlier, the cabinet has to be spread slightly to get the drum back in. Towels were used to protect the paint on the cabinet.

The 455 is washing a load of towels as a first test of the dryer.


Post# 717968 , Reply# 15   11/26/2013 at 22:53 (3,795 days old) by crouzet951 ()        

Ready for the fan housing. The rear drum bearing rotates at low speed so I used grease for lubrication.

Post# 717969 , Reply# 16   11/26/2013 at 22:58 (3,795 days old) by crouzet951 ()        

The drum housing is retained by four screws with these large strengtheners. These screws need to be tight, and unfortunately the original screws strip very easily. They were replaced with ss screws as pictured.


Post# 717970 , Reply# 17   11/26/2013 at 23:00 (3,795 days old) by crouzet951 ()        

The fan housing back in place.

Post# 717971 , Reply# 18   11/26/2013 at 23:02 (3,795 days old) by crouzet951 ()        

These clever multiple holes allow the fan housing to be moved in and out slightly, to adjust the end float of the drum.

Post# 717972 , Reply# 19   11/26/2013 at 23:02 (3,795 days old) by crouzet951 ()        

Looking good.

Post# 717974 , Reply# 20   11/26/2013 at 23:05 (3,795 days old) by crouzet951 ()        

The motor with both belts installed. The pressure roller can be seen at the other end of the motor applying tension to keep the drum belt tight.

The drum belt was new at the last overhaul and is still in perfect condition. The fan belt was replaced a few years ago and is in good condition.


Post# 717975 , Reply# 21   11/26/2013 at 23:07 (3,795 days old) by crouzet951 ()        

The screws holding the fan bearing housing in place can be seen.

Post# 717976 , Reply# 22   11/26/2013 at 23:09 (3,795 days old) by crouzet951 ()        

The control panel cutouts can be seen for the various models of washers and dryers.

Post# 717977 , Reply# 23   11/26/2013 at 23:15 (3,795 days old) by crouzet951 ()        

I was able to obtain a new clockwork timer from a firm in South Africa. An electric timer was fitted back in 1991, but I think to enjoy the full charm of these dryers, you should be able to hear it ticking.

The company in SA were very efficient and I'd recommend them to anyone. Their page for Hoover dryers is at the link.


CLICK HERE TO GO TO crouzet951's LINK


Post# 717978 , Reply# 24   11/26/2013 at 23:16 (3,795 days old) by crouzet951 ()        

Rear panel on.

Post# 717979 , Reply# 25   11/26/2013 at 23:17 (3,795 days old) by crouzet951 ()        

A last look inside from the rear...



This post was last edited 11/27/2013 at 00:26
Post# 717980 , Reply# 26   11/26/2013 at 23:17 (3,795 days old) by crouzet951 ()        

…and the front.



This post was last edited 11/27/2013 at 00:26
Post# 717981 , Reply# 27   11/26/2013 at 23:19 (3,795 days old) by crouzet951 ()        

Was this message on Hoover dryers in the UK?

I obtained a new door seal from the supplier in SA, but it must be for dryers with glass in the door. The seal is not tall enough to reach my door and seal it. As the doors with glass have a raised section to retain the glass (the same pressing as the washers), the seal must be for them. My seal is not too bad luckily.




This post was last edited 11/27/2013 at 00:22
Post# 717982 , Reply# 28   11/26/2013 at 23:21 (3,795 days old) by crouzet951 ()        

It now runs very well, with none of the trace of fan rattle as before.

Post# 717983 , Reply# 29   11/26/2013 at 23:23 (3,795 days old) by crouzet951 ()        

Manufactured in December 1978.

I guess the serial number of 73 means this was the 73rd 155 made that month. This batch probably fitted in between morning tea and lunch. Hehe.


Post# 717985 , Reply# 30   11/26/2013 at 23:31 (3,795 days old) by crouzet951 ()        

At risk of boring you further, I'll add some further images to this thread rather than create another.

I decided to treat the 455 to a new control panel which has been in my possession for many years. It's like the old joke - I'd better not use the last one in case I need it later. Hehe.

------

The control panels on these machines are retained by diabolical pressed steel nuts. The (soft) plastic posts also break off very easily.


Post# 717986 , Reply# 31   11/26/2013 at 23:33 (3,795 days old) by crouzet951 ()        

When you try to undo them, they just keep rotating on the stripped section of the plastic post. The panel needs to be pulled outward when unscrewing them.

Post# 717988 , Reply# 32   11/26/2013 at 23:36 (3,795 days old) by crouzet951 ()        

The timer and detergent dispenser need to be out of the way to get to them all.

Post# 717989 , Reply# 33   11/26/2013 at 23:39 (3,795 days old) by crouzet951 ()        

Once again, the mess is the fish oil paint I used on everything. The only slight bit of real rust is at the centre top of the detergent dispenser aperture. This was quickly cured with Kurust.



Post# 717990 , Reply# 34   11/26/2013 at 23:40 (3,795 days old) by crouzet951 ()        

New panel and sticker.

Post# 717991 , Reply# 35   11/26/2013 at 23:41 (3,795 days old) by crouzet951 ()        

Wow!

Post# 717992 , Reply# 36   11/26/2013 at 23:43 (3,795 days old) by crouzet951 ()        

Double wow! It's a shock to see that the "Hoover Automatic 455" is silver rather then gold.

Post# 717993 , Reply# 37   11/26/2013 at 23:44 (3,795 days old) by crouzet951 ()        

A/B switch installed. The previous panel was black plastic.

Post# 717994 , Reply# 38   11/26/2013 at 23:44 (3,795 days old) by crouzet951 ()        

Detail.

Post# 717997 , Reply# 39   11/26/2013 at 23:50 (3,795 days old) by crouzet951 ()        

This part of the timer control knob is prone to cracking. After replacing this part for the third time, I found that a single wrap of soft steel wire cures the problem completely.

The shop in South Africa I mentioned earlier had what I thought was the correct one of these for my machine. When it arrived, it was found to be for models where the indicator line is at the 12 o'clock position. Mine is at the 10 o'clock position so the numbers don't line up.

They also have these for sale with letters, rather then numbers, for other models.




This post was last edited 11/27/2013 at 00:28
Post# 717998 , Reply# 40   11/26/2013 at 23:51 (3,795 days old) by crouzet951 ()        

Looks very nice. It's a shame I didn't have a new sticker for the dispenser drawer.

Post# 718000 , Reply# 41   11/26/2013 at 23:54 (3,795 days old) by crouzet951 ()        

The new control panel looks good.

Post# 718001 , Reply# 42   11/26/2013 at 23:55 (3,795 days old) by crouzet951 ()        

Images of both machines.

Post# 718002 , Reply# 43   11/26/2013 at 23:56 (3,795 days old) by crouzet951 ()        

Images of both machines.

Post# 718003 , Reply# 44   11/26/2013 at 23:57 (3,795 days old) by crouzet951 ()        

Images of both machines.

Post# 718004 , Reply# 45   11/26/2013 at 23:58 (3,795 days old) by crouzet951 ()        

Images of both machines.

Post# 718008 , Reply# 46   11/27/2013 at 00:10 (3,795 days old) by crouzet951 ()        

The dryer will be eventually be stacked on the washer. Stacking isn't my ideal arrangement, but there's a problem of room. As can be seen, the paintwork on the dryer has mellowed to match the washer.

Anyone who's persevered to this point, I hope you've found some of it interesting.

I have really enjoyed overhauling my machines. Mind you, that doesn't mean I'd like to do this for a living. Hehe.

I'm still on the lookout for a Hoover 530/535 or later machine for the outer ss drum. If anyone around south-east Queensland happens to see any available, please let me know.

Both Hoovers are now running beautifully, so hopefully they'll last for a few years yet.

Best wishes to all and thanks for your enthusiasm.
John




Post# 718084 , Reply# 47   11/27/2013 at 13:51 (3,795 days old) by matchboxpaul (U.K)        

Hi John.

Your Matchbox restoration threads really are superb and will come in useful for any rebuilds on the machines I have managed to acquire.
The 3236H really needs its fascia removing to tend to some rust issues that were temporarily painted over, but which now need sorting out properly.

Though its a bit after the event, as you have sorted the dryer out, I will try and remember to photograph the relevant servicing bumpffff for you and will post on this thread.

The A3072's fascia looks lovely and injects a bit of bling, with its silver writing, that gold doesn't quite convey. Kind of shouts out what it is, rather than modestly stating 'Automatic 455'.

Like the wire repair to the dial shaft. The dial for my A3058 had suffered a similar tear, which I sorted by wrapping and glueing a ring of acetate around, though I think I will reinforce the repair with wire when time permits.

Great thread and thanks for sharing.
Paul
p.s amazing that another 155 has come out of the woodwork! Fingers crossed that it finds a good home.


Post# 718087 , Reply# 48   11/27/2013 at 13:54 (3,795 days old) by matchboxpaul (U.K)        

Just went back to check whether my first version 3022 had a warning label inside the door. Suffice to say that it doesn't, but in looking at the other photos I got a bit of a surprise. Do you see what surprised me .....

Post# 718089 , Reply# 49   11/27/2013 at 13:55 (3,795 days old) by matchboxpaul (U.K)        

Bit closer.

How strange!


Post# 718092 , Reply# 50   11/27/2013 at 13:59 (3,795 days old) by matchboxpaul (U.K)        
By way of a comparison....

Machines with the back off No1

Model 3022 version 1 Dryer De Luxe from March 1971 (without belts)....


Post# 718093 , Reply# 51   11/27/2013 at 13:59 (3,795 days old) by matchboxpaul (U.K)        

Machines with the back off No1

Post# 718095 , Reply# 52   11/27/2013 at 14:03 (3,795 days old) by matchboxpaul (U.K)        

Machines with the back off No2

Model 3022 version 3 Dryer De Luxe from May 1974.


The version 1 machine has a removable plastic base, whilst this version 3 machine has a removable metal base ....


Post# 718096 , Reply# 53   11/27/2013 at 14:04 (3,795 days old) by matchboxpaul (U.K)        

Machines with the back off No2

Post# 718097 , Reply# 54   11/27/2013 at 14:09 (3,795 days old) by matchboxpaul (U.K)        

Machines with the back off No3

Model D6018 Tumble Dryer de luxe (Currys exclusive model)from November 1975.


This model, though Matchbox externally, was the next generation of dryer and is the machine that is most similar to your D6028, though again we have a removable base panel, where the Australian model has an integral base...


Post# 718099 , Reply# 55   11/27/2013 at 14:11 (3,795 days old) by matchboxpaul (U.K)        

Machines with the back off No3

Post# 718134 , Reply# 56   11/27/2013 at 16:55 (3,795 days old) by crouzet951 ()        

Hello Paul

I had a chuckle seeing the 3022's timer was made in Australia. Lots of things were made in Australia post war, up until about the mid to late 70s. There was a wall of tariff protection in place which made it economical to manufacture here. I hope it's still working OK. Hehe.

Thanks for the great pictures. It's especially fascinating seeing the variations in the fan housings. The 1971 model's fan housing appears to be nonadjustable for end float. Then the later two are similar to mine, but the brackets have lethal pointed ends. Then there's the addition of the thin top bracket on the 1974 model, then finally the electrical lead is relocated to the bracket on the 1975 model. It is great these machines are so easy to date as this makes it simple to follow the improvements made. I really like the half fascia on the early 3022.

Attached is an image of a new control knob indicator for the 455 (on the left, still in its shrink-wrap), and the new one from the store in South Africa. The shafts are in the same position, and you can see the variation in the markings. If anyone is looking for one of these, let me know and I'll send it over.

As mentioned in an earlier post, I do have a new fascia panel for the 155, but unfortunately not the sticker for the front. So alas, it will remain as it is.

Thanks again Paul, and I hope you're well settled in your new home.

Regards
John




This post was last edited 11/27/2013 at 17:22
Post# 718135 , Reply# 57   11/27/2013 at 16:56 (3,795 days old) by crouzet951 ()        

One last thing - a new 155 control knob.

Post# 718558 , Reply# 58   11/30/2013 at 11:12 (3,792 days old) by electron1100 (England)        
Hoover Who Better

electron1100's profile picture
Hello John

You have beautiful classic set up there, your efforts have paid off so well.
I hope you enjoy these for a long long time
Gary


Post# 718820 , Reply# 59   12/2/2013 at 14:41 (3,790 days old) by sesteve (London, UK)        

sesteve's profile picture
Wow John

Another fantastic restoration thread. Great how you capture the steps and I just wish I could work as methodically and logically as you appear to.

The thread will help me when I get round to servicing my D6294 dryer which also has some squeaks and groans. Whilst it is newer, the basics seem very similar.

Anyway well done and hope they both give you years more of good service

S :)



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