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When is a Sieg not a Sieg?


 

G'day all.
I recently told you of my testing of the leadscrew mechincal fuse, it
works!. Yes, I damaged the 80T gear. Thankfully it is not beyond
recovery, so that it is now in the tuit basket.
I had previously purchased a spares kit from LMS and this morning dug
the replacement 80T gwear out of the bag. Surprise! the key way is
3mm wide not 4mm as for my lathe. I know my key is 4mm because a few
weeks ago I dropped my key in the swarf (on the floor I thought) No
amount of grovelling could find it so I grabbed a MS tent peg and
milled a new key; actually I used a file. BTW I found the key hiding
under the control box this morning.
I recently got an idler sleeve and key from LMS only to find tha the
key on that is 3mm as is the replacement LS key I purchased. The 57T
& 65T gears I purchased from LMS also have 3mm keyways whilst the
gears that came with the lathe have 4mm key ways. Thankfully a file
can address most of the problems. I can probably file a T profile key
for the sleeve, 3mm one side and 4mm the other.
The QUESTIONS:-
When and how did the change occur? My lathe has similar features to
the yellow Cummins, eg, square not H shaped saddle, way wipers, ball
oilers, nut on RH end of lead screw, etc. Some much earlier posts
commented that the yellow Cummins lathe was not made by Sieg.

Have others with yellow Cummins or Chestern Conquest lathes had the
same experience? The present Cummins lathe is blue and the pictures
don't show the features I refer to.

Have you found other dissimilarities?

Maybe Chris of LMS is lurking so he could comment?

Finally, why are Tuit baskets square??

One good turn deserves another.
Regards.
Ian

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