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myford super 7

lever identification

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Stephen Gill26/09/2023 20:56:46
3 forum posts

hi i have noticed a small lever in the left hand side gear train area can any one tell me what's its for and how it should be set ?

peak426/09/2023 21:24:07
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2207 forum posts
210 photos

Is it a lever, or a sliding bolt, which acts as a spindle lock?
A photo, or a part number from the manual, or Myford's web site would help no end.

Bill

Martin Kyte26/09/2023 21:42:16
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3445 forum posts
62 photos

It’s a spindle lock to be used once you have broken the back gear cluster.

regards Martin

Sam Stones26/09/2023 21:57:57
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922 forum posts
332 photos

Stephen,

As I recall from my time on a Super 7 in the late 50's, it disengages the spindle lock before engaging the back gear.

No doubt you'll get an update shortly. cheeky

Enjoy your Myford. I only wish I was younger and had access to one.

Cheers,

Sam smile d

Sam Stones27/09/2023 00:38:04
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922 forum posts
332 photos

Stephen,

I should have said ...

"Disengage (the lever) BEFORE engaging the back gear."

Cheers,

Samcrying

Howard Lewis27/09/2023 15:09:12
7227 forum posts
21 photos

I think that Martin means "Disengaged" rather than "broken"

Engaging back Gear and having the pulley / Bull wheel fixed to the spindle will lock up everything.

Some folk use this method so that a chuck can be unscrewed, but risk damaging the gears.

Hence the Spindle Lock to avoid such brutal practices.

If a particlar lathe uses screw on chucks but lacks a Spindle Lock, there are less risky ways of unscrewing a firmly stuck chuck.

Howard

Chris Crew27/09/2023 18:28:59
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418 forum posts
15 photos

I think you would have to be a very strong man to strip the back gear when removing a chuck. Probably could sheer the locking pin too!

Edited By Chris Crew on 27/09/2023 18:29:41

Stephen Gill27/09/2023 20:25:38
3 forum posts

hi, thanks for all the answers it is so appreciated will be doing my first ever project the weekend tow pin for garden tractor . really looking forward to it. regards steve

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