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Jon Strack
Guest
| Joined: | Fri Jun 12th, 2009 |
| Location: | USA |
| Posts: | 84 |
| Favorite Fan: | Robbins & Myers 1604 |
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Posted: Tue Jun 23rd, 2009 12:53 am |
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| That sure does look a lot like mine. The only difference I see is: on my tag, each number has a light background, instead of a dark one- thus it is easier to read than this one, which has a black background. I come home from work on Thursday. Can't wait to get my fan cleaned up and running great!
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John Hilliard
AFCA Member
| Joined: | Sun Nov 27th, 2005 |
| Location: | Arnold, Missouri USA |
| Posts: | 547 |
| Favorite Fan: | Emerson 11644 |
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Posted: Thu Jun 25th, 2009 03:28 am |
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Jon,
I have a R&M 1604 parts fan incase you need something to fix yours up.
Just let me know.
John 
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Jon Strack
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| Joined: | Fri Jun 12th, 2009 |
| Location: | USA |
| Posts: | 84 |
| Favorite Fan: | Robbins & Myers 1604 |
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Posted: Thu Jun 25th, 2009 04:58 am |
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Thanks John H!
I haven't really gotten into it yet, so I don't know what I'm dealing with yet. So far, the only thing I could see myself needing is a blade, as mine is bent, and out of balance (creased, shimmys when run). Otherwise it's smooth. I'll know more when I get the oscillator gearbox off and the motor housing open. Hope to do that this weekend.
-Jon
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Dean Robbins
AFCA Member
| Joined: | Sat Dec 1st, 2007 |
| Location: | Georgia USA |
| Posts: | 142 |
| Favorite Fan: | Emerson 29646 |
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Online
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Posted: Thu Jun 25th, 2009 07:25 am |
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Jon,
You will be able to find a liquid in a plastic container, in an automotive paint store, that when sprayed or brushed on rust will in 24 hours turn the rust into a white powder. This you can just brush off and then not worry about the rust coming back.
In Georgia, locally, it is sold under the name of phoscote. It runs about $9.00 a quart if memory serves me right. I have used it many times and it works great. I have had the quart , I bought, for several years. It goes a long way. Hope this helps.
Good luck,
Dean
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Jon Strack
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| Joined: | Fri Jun 12th, 2009 |
| Location: | USA |
| Posts: | 84 |
| Favorite Fan: | Robbins & Myers 1604 |
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Posted: Sat Jun 27th, 2009 03:28 am |
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Hello again,
I just received some awesome black braided power cord from Ralph (thanks again!). Now I am wondering, where would you guys recommend looking for a plug? What type of plug would be most appropriate for this fan? The cord on it now has a basic round plug that I could remove and re-use, but I wasn't sure if it would be the most appropriate, plus it's insulation is not in the best shape.
Thanks,
Jon
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Steve Stephens
AFCA Member
| Joined: | Mon Nov 14th, 2005 |
| Location: | San Anselmo, California USA |
| Posts: | 3521 |
| Favorite Fan: | Peerless bipolar |
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Posted: Sat Jun 27th, 2009 03:42 am |
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| I've found old plugs at lamp shops and appliance repair shops. They often have old ones in boxes they'll sell for a few dollars and even some older bakelite plugs from the 20s if you are lucky.
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Jon Strack
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| Joined: | Fri Jun 12th, 2009 |
| Location: | USA |
| Posts: | 84 |
| Favorite Fan: | Robbins & Myers 1604 |
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Posted: Sat Jun 27th, 2009 04:54 am |
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I opened up the oscillator housing for the first time today. There's a lot of grease caked around the sides, but overall it looks pretty good. However, I couldn't figure out how to go any further. It looks like I need to take some gears out before I can get the motor housing off, but I am unsure how to do this. Any ideas?
-Jon
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Steve Stephens
AFCA Member
| Joined: | Mon Nov 14th, 2005 |
| Location: | San Anselmo, California USA |
| Posts: | 3521 |
| Favorite Fan: | Peerless bipolar |
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Posted: Sat Jun 27th, 2009 05:30 am |
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| I can't advise on gearbox or gear removal as I've never seen one of those fans. If the grease is old and hardened some you will want to clean it all out and put in new grease. Don't have to fill it up but enough to coat the gears and keep them coated. Maybe I like non-oscillators since they don't have all that complication in the rear.
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Jon Strack
Guest
| Joined: | Fri Jun 12th, 2009 |
| Location: | USA |
| Posts: | 84 |
| Favorite Fan: | Robbins & Myers 1604 |
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Posted: Sat Jun 27th, 2009 03:02 pm |
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Hello again,
On the upside, the headwire is in good shape. I'm thinking of leaving it alone, as it looks original and is still quite sound inside. I forgot to take a picture when I had the bottom open.
As far as opening the motor, is it the front that comes off, or the back?
-Jon
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Jon Strack
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| Joined: | Fri Jun 12th, 2009 |
| Location: | USA |
| Posts: | 84 |
| Favorite Fan: | Robbins & Myers 1604 |
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Posted: Wed Jul 1st, 2009 11:16 pm |
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Hello again,
I'm working on the fan again . I disconnected the headwire so I could take the motor off the base. I took a good digital photo of the wiring and made all kinds of notations on it with photoshop explaining what everything is. I even used color codes!
I took resistance measurements with my DMM and notated everything. So far, the AC cable and headwire have been removed, while the speed coil is still connected.
The problem I am having is I can't figure out how to open the motor up! I took the top cover off the oscillator gearbox. On the inside of the cover are the numbers "66872A" if that means anything. I'm not positive about the 4th digit, but I *think* it's a seven. Is that a patent number?
I also took the four long bolts off the motor, but I can't get the housing open and didn't want to force it. My question is this- which side opens- the front or the back? On the back, I can see the oscillator housing is attached from INSIDE with two screws, so there's no getting the oscillator housing off from outside, unlike an Emerson. This makes me think that perhaps the front comes off?
If so, is there something else I need to take off before it will come off, or is just really hard to get off? I tried some gentle taps with a hammer, but I don't know how brittle this metal is and didn't want to break it! It's extremely heavy, that's for sure! Do I perhaps need to take some kind of washer or spring clip off or something? The covers aren't moving in the slightest. Any advice would be greatly appreciated!
-Jon
EDIT: I'm in, the front cover was really on there! Just had to give it a few more raps.
Last edited on Thu Jul 2nd, 2009 12:17 am by Jon Strack
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Jon Strack
Guest
| Joined: | Fri Jun 12th, 2009 |
| Location: | USA |
| Posts: | 84 |
| Favorite Fan: | Robbins & Myers 1604 |
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Posted: Wed Jul 1st, 2009 11:17 pm |
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Hey John Hilliard,
Do you have an oscillator set screw? It looks like I AM missing that after all! I'm talking about the one in the base, not the one on the spinning wheel under the osc. assembly. Am I correct that there is supposed to be a screw here? Or is this an oil hole? See pic...
-Jon
Attached Image (viewed 53 times):
 Last edited on Wed Jul 1st, 2009 11:30 pm by Jon Strack
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Jon Strack
Guest
| Joined: | Fri Jun 12th, 2009 |
| Location: | USA |
| Posts: | 84 |
| Favorite Fan: | Robbins & Myers 1604 |
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Posted: Wed Jul 1st, 2009 11:34 pm |
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Here's a pic of the wiring too, in case anyone's curious. Also, it looks like I might have to replace the headwire after all  . I rather like the elegant three conductor weaved cable that's in there, but the insulation is dry and rubs off when you touch it, so I'm thinking it should be redone. Where would be a good place to get something as similar as possible to this? It's three conductor braided, two are black with a pattern on it, (AC and speed control), while the ground wire is all black.
Attached Image (viewed 52 times):
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Jon Strack
Guest
| Joined: | Fri Jun 12th, 2009 |
| Location: | USA |
| Posts: | 84 |
| Favorite Fan: | Robbins & Myers 1604 |
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Posted: Thu Jul 2nd, 2009 12:33 am |
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rear housing is off too. It looks like the stator is not removeable in this fan. Am I correct? I think I can clean around it just fine where it is.
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