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Atlas Mill MF parts compatibility

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Dgleavitt

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#1
Hi, I I already posted this question in the help section but I was unaware there was a dedicated Atlas forum.

I recently acquired an Atlas MF mill and it is missing the rear gear cover and change O-Matic gears. EBay has these parts but they are listed for a MFC mill with the suffix “A“ after the part number.

My question is will part number MF-28A fit on a MF mill that calls for the part number MF-28?

Thanks
Andrew
 

CluelessNewB

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#2
I can't say for sure but the manual says that the MF-28A is for MFC only.


MF28A.PNG
 

wa5cab

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#3
I don't know either. But would bet not.

Incidentally, what is the serial number on your mill. Or if the nameplate is missing, do your spindle cone pulley and countershaft cone pulley have 4 steps or 3. If 3, you have an MFA.
 

Dgleavitt

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#4
All the holes are In the same dimensional positions for the MF mill as compared to the MFC drawing I was sent By Clausing. I’m going to go for it and hopefully it works out.
 

wa5cab

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#5
OK. And the pulley steps?
 

Dgleavitt

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#6
I’ll have to look when I get home tonight(2nd shift) but I was pretty sure there were only 3 speeds listed without the back gear. Could be wrong though. Would the badge say? All it says if MF. Also, I’m wondering if someone changed the knee, there is a gear rack running vertically(not used) like it should be lever fed, but it’s adjusted by a hand wheel.
 

wa5cab

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#8
OK. Then it is an MFA. Apparently, Atlas didn't decide to call the 12 speed machines M1A, MFA or MHA until they went to the 8-speed MFB. I could name several other things where the manufacturer did something like that. No one has ever reported having an MFA that didn't have just MF on the nameplate. According to the MMB-5, the change occurred at serial number 001345 and went up through 005465.

On the vertical rack, yours is at least the second MFA reported to have the MFH's vertical lift rack installed. Unfortunately I didn't record the serial number. Could have happened during some order shuffling at the factory. I can't think of any reason where it would have been cheaper to put it on all mills.
 
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