South Bend Follower Rest

[BigBoy1]

I have posted this on the South Bend Lathe site and received no replies so on the chance that someone here might be able to help me, I'm posting it.

I bought a telescoping follower rest from an individual who claimed on his Mother's life that the rest was for the Heavy 10" lathe.

I sure wouldn't want to be his Mother as it did not fit my lathe! The
markings molded into the neck of the follower are PT120R1. According
to the South Bend Parts Manual, the part number for the telescoping
follower rest body is AS120R1. The numbers are simular but the rest is
exactly 1/2 inch short in height and 1/2 inch back from the center. To
me this indicates that the telescoping follower rest is for the 9"
model. Can anyone provide me with help on what is the proper number
that should be molded into the neck of the telescoping follower rest?
Does anyone have a telescoping follower rest that will fit the Heavy
10" and would like to trade? Thanks.

Bill

[fishfrnzy]

The pn marked on mine is -130R3. This came with the lathe when I bought at an auction, but I have not mounted it on yet. It has the slotted flat bars that are driven toward the center by square headed screws. Has one hole and one slot for bolt mounting. Sorry not intersted in selling but I hope the info helps.

[ChrisK]

Bill,
Not sure what the correct part number is for the SB-10, but I believe the South Bend numbering system used the letters "PT" to indicate an individual part and "AS" to indicate an assembly of parts. I looked in the US Army SB Lathe Manual and found the following telescoping follower rest numbers:
9" - AS120N1
10" (light) - AS120K1
10" (heavy)- AS120R1
If you have PART PT120R1, it should be for the assembly that fits on a 10" heavy lathe????

Chris

[WLW-19958]

Hi There,

According to the casting numbers, that is for a SBL Heavy Ten. The prefix
PT just means a part. Prefix AS is used for an assembly. The suffix letters
identify what size lathe it will fit. Suffixes are as follows:

N - 9 Inch Lathes (Workshop series),
K - 10K Lathes,
R - Heavy Ten Lathes,
L - Heavy Ten w/ Large Spindle Hole*,
T - 13" Lathes,
F - 14-1/2" Lathes,
H - 16" Lathes.

(*Note: the "L" suffix is only used on parts, assemblies and accessories that
are specific to the larger spindle; like: chucks, faceplates, collets, etc.)

These suffixes were used on parts, assemblies, accessories and sub-
assemblies (like gearboxes, compounds, aprons, etc. and were called
"unit codes").

Some parts and accessories were used on more than one size lathe. In these
cases, there are two suffix letters used. For example, after the 10K lathes
were introduced, parts and assemblies use the suffix "NK" that were used on
both lathes. If a part fit a range of lathe sizes, (like some parts used in the
lever collet closer) they would used the suffix letters from the smallest and
largest lathes in the range (For example, AS3641LH3).

The number on the end indicates a modification or design change to the part
from the original design (i.e. "1" indicates the first design, "2" second design,
etc.).

Now, your casting number indicates that it is for a Heavy Ten. Around the
mounting holes should be a unit code (something like FRT100R) That would
clinch it for sure. Of course, your follower could have been modified by a
desperate 9" lathe owner at one time. Post a picture and we'll know for
sure.

Good Luck!
-Blue Chips-
Webb

[dicks42000]

OK;
Others have answered your question. I can saw it's not the number on the follow rest for my 13" SB.
It's also the one accessory that I haven't used in 20 some-odd years with the old gal.
Rick

[BigBoy1]

After posting my question, I went out to the shop and puzzled over the follower. I decided to take the adjusting knobs apart. Once inside I discovered that there is an internal adjustment screw with about 1 inch of adjustment. Both were cranked to the inner ends of their adjustment. After I readjusted them to the middle of their adjustment length, both heads are now centered and the followers are now centered for my lathe.

My theory is that some former owner of the follower had a 9 inch lathe and adjusted them to their minimum setting to fit his lathe. Appreciate all of the help. Thanks.

Bill