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O'Brien Quick Change Gearbox install

(9)
Clive, I have to assume that by "shears" you mean "ways". And technically the 12" would be called generically a 3900 Series. The crude answer is probably, as
wa5cab
9
posts
9:23 PM

Dial Indicator mount on cross slide for Y-axis readings.

(7)
Sorry Robert, I had the subject line incorrect. It's the X-axis or transverse travel reflecting a change in radius of the work piece that I'm interested in.
geoffrey_in_siam_atlas_12in_3991
7
posts
Jul 30

Travelling steady?

(46)
I am interested in your tail stock modification. How does the rack extension hook to the tailstock? Having trouble visualizing it. Do you have any drawings of
ml_woy
46
posts
Jul 29

new article: Quick and Easy Lathe Jaw Spacers

(9)
Pictures, please? I'm not doing well visualizing what you're describing. Bill in OKC
oldstudentmsgt
9
posts
Jul 27

12" lathe headstock alignment

(24)
In a message dated 07/26/2015 19:33:37 PM Central Daylight Time, ... Yes. That's what all gib locks do. ... Probably, at least for the male and except that
wa5cab
24
posts
Jul 26

Re: [atlas_craftsman] New file uploaded to atlas_craftsman

(140)
... Wow, that's handy. Nice to know that slower power feeds are readily available. The lowest speed on the stock setup is a bit fast. Being able to get down
Paul J. Ste. Marie
140
posts
Jul 26
paulturney1530
10
posts
Jul 25

Atlas 936B spindle and rack disassembly questions.

(14)
Yes and no. Gear Case 9-11 was used up through 10D/E and 101.07383. 10F-11 was used on 10F and 101.07403 and later 12". Robert Downs - Houston wa5cab dot com
wa5cab
14
posts
Jul 20

Removing the Headstock - or not?

(55)
I added the two bolts and the two holes to the 1966 10L-6 10F parts manual and updated the copy in Files. It is now up to Rev4. Robert Downs - Houston wa5cab
wa5cab
55
posts
Jul 17

Not lathe, but I could use some help...

(10)
Paul, This is one time I disagree with the buy as big as you can afford if all you are not wanting to do much more than a good job cutting out a slot of wood.
dhlh1984
10
posts
Jul 14

New Member with a 101.07403 12"x30"

(54)
OK. In a message dated 07/11/2015 12:14:13 PM Central Daylight Time, ... Robert & Susan Downs - Houston wa5cab dot com (Web Store) MVPA 9480 OK. In a message
wa5cab
54
posts
Jul 11

Three flute drills

(22)
Yea its just like hoo was first the chicken or the egg GP ... On Fri, 7/10/15, 'Carl Hollopeter' chollo@bellsouth.net [atlas_craftsman]
paulguenter@att.net
22
posts
Jul 11

101.07301

(18)
Robert Yes the numbers are on the front right. Thank you for the information. Mepp
seemepp
18
posts
Jul 10

realistic tolerances for 3996/28990 12"

(7)
There used to be a guy from Iowa who made and sold those fittings for about $30. I've often thought about making some, but the quote for the tap was
Dan and Marlene Coleman
7
posts
Jul 7

Re: Late model Craftsman 12: A (significant) upgrade from a...

(7)
Robert, My 101.07380 came to me very complete, full set of change gears, follow and steady rests, 3 jaw and 4 jaw, face plate with 3 or 4 dogs, even a little
Chris and Judy Zahnle
7
posts
Jul 5
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