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Thread Number: 4729
Convertible Archaeology |
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Post# 53149 10/8/2008 at 03:43 (5,677 days old) by aussie-plugs  (Melbourne, Australia) |
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I recently aquired two Convertibles - a U4046 and a U4064. Does anyone know how I can work out their date of manufacture from these serial numbers? 
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Post# 53150 , Reply# 1 10/8/2008 at 03:43 (5,677 days old) by aussie-plugs (Melbourne, Australia) |
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And the second one ... ... 
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| Post# 53160 , Reply# 2 10/8/2008 at 08:25 (5,677 days old) by seamusuk (Dover Kent UK) | ||
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Serial numbers... Hey Nick No idea on those unfortunatly- it appears Australia continued with the letter/number system longer than we did over here. Going on the model numbers and the fact they are metal base machines id say mid- late 70s Any chance of pics of the cleaners?? :) Seamus | ||
| Post# 53161 , Reply# 3 10/8/2008 at 08:28 (5,677 days old) by seamusuk (Dover Kent UK) | ||
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Forgot to Say I see you are in Sydney- im guessing you know Mark (OzHoover) on here ? hes gonna be the best guy to ask :) | ||
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Post# 53450 , Reply# 4 10/13/2008 at 03:41 (5,672 days old) by aussie-plugs (Melbourne, Australia) |
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Pictures to clarify Here's a picture of the two machines. The U4046 is on the left as you look at the picture; the more recent U4064 on the right. If anybody (OzHoover Mark?) can help me date them from the serial number information, that would be great Nick 
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| Post# 53518 , Reply# 5 10/14/2008 at 08:36 (5,671 days old) by truckerx (Palm Springs, CA) | ||
Hoover bearing lubrication... | ||
| Post# 53521 , Reply# 6 10/14/2008 at 09:24 (5,671 days old) by luxg () | ||
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Hey Bernie, I am not sure what happened but if you read the postings last night there was a problem with the site and Fred and Robert were working on it. Fred mentioned that some postings were lost. Terry | ||
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Post# 53530 , Reply# 7 10/14/2008 at 15:14 (5,671 days old) by aussie-plugs (Melbourne, Australia) |
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Bearing Information Hi Bernie, I just noticed that too. I'd read your thread and replied, thanking you for the link. It's all gone now though. If you (or somebody else) could re-post the information, that would be great. Nick | ||
| Post# 53532 , Reply# 8 10/14/2008 at 15:48 (5,671 days old) by truckerx (Palm Springs, CA) | ||
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No Problem, Nick
...I found out what happened. Thanks for the reply though. The link below covers greasing top and bottom bearings on an older Hoover model 28. As I now understand it, the procedure for a lubing the bronze top bearing on a much newer Convertible is with straight 20W machine oil such as "3 in 1" brand. I'll forward that link to you as well.
CLICK HERE TO GO TO truckerx's LINK | ||
| Post# 53533 , Reply# 9 10/14/2008 at 15:55 (5,671 days old) by truckerx (Palm Springs, CA) | ||
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Here ya go, Nick
.....check out this video for lubing Convertibles. Good luck with them.
CLICK HERE TO GO TO truckerx's LINK | ||
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Post# 53591 , Reply# 10 10/15/2008 at 19:15 (5,670 days old) by aussie-plugs (Melbourne, Australia) |
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Lower bearing ? Hi Bernie, Thanks for the link to the video. It was very informative. I'm now wondering whether I need to do anything about the lower bearing, and if so, where I might find similarly informative information. Cheer, Nick | ||
| Post# 53592 , Reply# 11 10/15/2008 at 20:05 (5,670 days old) by truckerx (Palm Springs, CA) | ||
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Hi Nick...
OK...this what I found out: any sleeve bearing such as the top bronze sleeve bearing on a Hoover,even and older Hoover, Eureka, etc, DOES NOT TAKE ANY GREASE...SIMPLY CLEAN THE SLEEVE WITH A Q-TIP. The bottom bearing is a ball type and DOES require greasing. I got this information because I was curious about my older, not Convertible model, Hoovers that have sleeve bearings. Guess I may have ruined many of my older vacs by greasing sleeve bearings. Oh well !! Worse things have happened! ;-D
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Post# 53602 , Reply# 12 10/16/2008 at 02:49 (5,669 days old) by aussie-plugs (Melbourne, Australia) |
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Ball bearings Thanks. So now I know what mistake not to make for the sleeve bearing. My next task it to learn how to take it apart enough to get at and grease (if necessary) the ball bearing. Anybody have any hints along those lines? Nick | ||
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Post# 53603 , Reply# 13 10/16/2008 at 02:51 (5,669 days old) by aussie-plugs (Melbourne, Australia) |
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Ball bearings Thanks again. Now I know what mistake NOT to make with a sleeve bearing. My next job is to find out how to get at and service the ball bearing. Any hints from Bernie or anybody else on that part of the fun? Nick (and if this seems like a repeat, it is ... my first reply didn't seem to work) | ||
| Post# 53614 , Reply# 14 10/16/2008 at 15:07 (5,669 days old) by truckerx (Palm Springs, CA) | ||
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Nick...
I do know how to get them apart. You will most likely have to remove the motor from the fan housing. You have to disassemble the motor. Remove carbon brushes. Remove top bearing plate. Unscrew the fan from the armature shaft. If memory serves, most fans unscrew in the same direction as the fan rotation. Remove armature and shaft from the lower bearing plate. It may not be necessary to remove lower bearing plate, if you have access to grease it. Force ball bearing grease into the bearing plate until it comes out of the tiny vent hole. At that point the lower bearing should be fully packed. There are some short-cuts that professionals take that I have not yet attemped. I am not an expert but have performed this operation several times in the past successfully....Dah ! Refer to the link on the Hoover 28. It shows the lower bearing being lubed with a grease gun and special fitting. You can do this by hand if you don't mind getting your fingers greasy. Hope this helps. | ||
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