Thread Number: 41943  /  Tag: Pre-1950 Vacuum Cleaners
My Kirby 505 from KirbyCollector!
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Post# 442778   6/9/2021 at 16:21 by KirbyClassicIII (Milwaukie, Oregon)        

kirbyclassiciii's profile picture
Hi everybody,

My Kirby 505 from Thom (KirbyCollector) has finally arrived!

Also included are some screw size comparison pictures with similarly-sized screws from my Dual Sanitronic 80, Classic Omega 1CB, Classic III 2CB and Heritage 84, to help you know which of those size screws will work when replacement of these older screws is needed.

~Ben


  Photos...       <              >      Photo 1 of 12         View Full Size



Post# 442780 , Reply# 1   6/9/2021 at 16:41 by Vacmadman (Pueblo Co.)        
Nice

vacmadman's profile picture
Ben,

Nice.... I'll be interested to see the finished product. I want to apologize for not getting back to you about the screw sizes. seeing this post made me remember...I dropped the ball sorry again.

Jim

Is that the washers I see on the back wheel?


Post# 442781 , Reply# 2   6/9/2021 at 16:49 by KirbyClassicIII (Milwaukie, Oregon)        
VacMadMan

kirbyclassiciii's profile picture
Jim,

No, no wheel washers included here.

And I would definitely appreciate it if you could please get back to me about the screw sizes on your machines, that way, I can see whether or not yours also has the odd coarse-threaded screw for the rear shaft and #8 screws for the headlight cap clips.

It would also help identify whether or not any of the screws I took off of my other machines are wrong.

~Ben




This post was last edited 06/09/2021 at 18:14
Post# 442788 , Reply# 3   6/9/2021 at 21:17 by Lesinutah (Utah)        
Ben

lesinutah's profile picture
The axles 505-512 with wheel extenders when wheel bounces that's going to flex the pivot point of the screw making it week. I'd use heritage black wheels.
Do you have black wheels bag, cord etc.
Glad to see you got a 505 the walking Kirby parts number encyclopedia gets a super rare 505.
I may be having a super rare vacuum to unleash to the public, we shall see. If you need parts or have questions I have a 3c vacuum, 4c floor polisher, a 505 belt cap version rebuilt 505, 2 508's 2 509s and 4 510s and parts to boot.
I'm just trying to help as the axles with screws flex.


Post# 442789 , Reply# 4   6/9/2021 at 21:18 by Lesinutah (Utah)        
Ben

lesinutah's profile picture
If I showed y pics of screws you could tell me where they were used.
?


Post# 442791 , Reply# 5   6/9/2021 at 21:55 by KirbyClassicIII (Milwaukie, Oregon)        
LesinUtah

kirbyclassiciii's profile picture
Les,

It's a deal!

~Ben


Post# 442813 , Reply# 6   6/10/2021 at 16:19 by Vacmadman (Pueblo Co.)        
505 srews

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Ben,

Here is a picture of the 505 screws you asked about. the top two are the hood cap light clip, and cap clip screws. The middle one is the rear axle screw and the bottom one is the front axle tab screw.

I hope this helps.

Jim


  Photos...       <              >      Photo 1 of 2         View Full Size
Post# 442815 , Reply# 7   6/10/2021 at 16:29 by KirbyClassicIII (Milwaukie, Oregon)        
VacMadMan

kirbyclassiciii's profile picture
Jim,

Thank you very much! It looks like Kirby was using coarse thread screws for both the rear axle and the headlight cap!

On my 505, I also checked out the two smaller right screws inside the cap that hold the socket in, and they are also fine threaded screws (not coarse threads as yours) and exactly the same length as for the front axle clamps.

Kirby continued using that particular rear axle screw up to the Dual Sanitronic 80 and for a few years after that in the American Lincoln Super Sweep, although it was no longer with coarse threads.

~Ben




This post was last edited 06/10/2021 at 20:03
Post# 442824 , Reply# 8   6/11/2021 at 01:07 by KirbyClassicIII (Milwaukie, Oregon)        
VacMadMan, LesinUtah

kirbyclassiciii's profile picture
Jim, and Les,

For fun I tried to test my #6 rear shaft screw from my 1979 Tradition 3CB (which is 5/8" in length) in the rear shaft screw holes of my 505 and Dual Sanitronic 80 motor housings, and of course it didn't fit: in the case of the former it did not fit at all due to the original housing using coarse threads (in 24ths), while in the latter case (see attached pictures) although I was able to screw it in, in the end it was 1/8" too long.

In both cases, the length of the #6 screw used to hold down the rear shaft originally would have been not longer than 1/2", but 3/8" length screws also work.

Because the rear shaft screw in my 505 had coarse threads, I now want to ask: when did Kirby switch from using coarse thread (in 24ths) screws to fine thread (in 32ndths) screws?

~Ben


  Photos...       <              >      Photo 1 of 3         View Full Size


This post was last edited 06/11/2021 at 01:31
Post# 442855 , Reply# 9   6/11/2021 at 22:26 by Lesinutah (Utah)        
When

lesinutah's profile picture
They went from 13" ds80 to classic cr1?
My guess is above as the body using the wheel brackets.


Post# 442858 , Reply# 10   6/11/2021 at 22:55 by KirbyClassicIII (Milwaukie, Oregon)        
LesinUtah

kirbyclassiciii's profile picture
Les,

Kirby replaced the Dual Sanitronic 80 with the Classic 1CR in February 1970 (production started about December 1969).

That 5/8" screw was first used on the 1CR, however the shorter 3/8" screw for the light socket was unchanged. They did change the rear shaft in that there were no screw holes on either side, meaning all you do is slap on the two back wheels (one on each side) and then use two 5/8" screws once you have the shaft and wheels mounted.

~Ben




This post was last edited 06/12/2021 at 03:36



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