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Thread Number: 38732
/ Tag: 80s/90s Vacuum Cleaners
Which carbon brushes do I use for Royal 884? |
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| Post# 411510 , Reply# 1 7/14/2019 at 20:01 (1,741 days old) by Lesinutah (Utah) | ||
Hmm
I can't remember correctly but 884 is 4.5 or 5.4 amp and d80 is 5.5 amp. If they fit in the housing they work. It could be 505-sanitronic 7 4 amp carbon brushes. They could be the same but if they fit they would work. I know people will give you part number I'd suggest leave working vacuum working and order oem parts. I know you want it to work now. If you wait a week you can have both.
Les | ||
Post# 411511 , Reply# 2 7/14/2019 at 20:33 (1,741 days old) by KirbyClassicIII  (Milwaukie, Oregon) |
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Lesinutah
Les,
The Royal 884 was rated 5.4 amps. As his is a 1988 model, it would have had the following motor group parts: Armature - 1-618001-000 (for 5.4 amp motor) Field - 1-618002-000 (for 5.4 amp motor) Motor Plate - 2-188003-000 Fan - 1-620004-000 Drive Shaft - 1-618261-000 The replacement carbon brush assembly he would want to order is 3-672105-000 (two per pack), which is the complete carbon brush group containing these parts: 1-672021-000 - carbon brush assembly 1-672103-000 - carbon brush screw cap 1-801034-000 - carbon brush protector cap 1-801019-000 - carbon brush holder ~Ben | ||
| Post# 411516 , Reply# 3 7/14/2019 at 22:22 (1,741 days old) by Lesinutah (Utah) | ||
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Right | ||
| Post# 411526 , Reply# 5 7/15/2019 at 01:24 (1,741 days old) by Lesinutah (Utah) | ||
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Hey
It's not the brushes it's the caps. I have busted a few. There $12-$15 so it's not too bad. You have nice vacuums with good parts you understand. If you replace housing make sure you do one at a time. The housing of the carbon brush gets a screw from coil penetrating it ever so slightly. It keeps the brush housing in place so when carbom brushes get put in they go in correct and wear correctly.
Les | ||
| Post# 411558 , Reply# 6 7/16/2019 at 02:30 (1,740 days old) by Rowdy141 (United Kingdom) | ||
I too wondered about filing Carbon Brushes to make them fit.
It can be done. Sand by hand, on flat diamond plates used for sharpening woodwork plane irons & chisels. They're modern equivalents of the old India Sharpening Stones. They remove material quickly and accurately, while keeping everything flat and smooth. I only removed the slightest of material to ease running in the Brush-holders. But if you gave it more time, they would abrade gently to the dimension you need. Mine weren't fragile or brittle, although I guess some types could be? Some people have Motor Brushes "dressed" on a Dressing-Stone. A high-speed abrasive wheel which grinds the end to match the curvature of the Commutator. This gives improved contact for new Brushes and reduces initial carbon dust build-up. Overkill for vacuums, more for precision applications. I did a similar job using my Dremel and the chainsaw sharpening bit. Just to see how it worked. It was easy and fast. Lots of sparks. Eye protection essential. I wouldn't recommend sawing long Brushes to make shorter ones. They're better-off being dressed down to length. It can be done, with care and patience. | ||
| Post# 411559 , Reply# 7 7/16/2019 at 02:38 (1,740 days old) by Rowdy141 (United Kingdom) | ||
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| Post# 411562 , Reply# 8 7/16/2019 at 08:48 (1,739 days old) by Lesinutah (Utah) | ||
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Hey | ||
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