|Robert Butler||25/06/2019 13:49:55|
|75 forum posts|
I use a piece of large AF hex formed to resemble a large allen key which I grip tightly in the chuck a tap with a hide mallet frees it off nicely. A piece of flat secured (bolted) to a face plate achieve the same end without engaging the back gear.
Edited By Robert Butler on 25/06/2019 13:50:29
|Gordon A||25/06/2019 21:30:26|
|141 forum posts|
The advice from an original Myford manual is as follows:
"When removing a chuck (or faceplate), do not 'yank' the chuck off with the headstock locked with the back-gear,, but set the headstock for normal back-gear drive, and after placing a piece of hardwood on the lathe bed, pull the spindle round by means of the belt so that one jaw of the chuck or slot in the faceplate strikes the wood sharply. The most obstinate chuck is released in this way, and a great deal of the load is taken from the back-gear teeth".
Myford ML7 Notes on Operation, Installation and Maintenance (No 720G , M. 3M /11/64)
A method I do not recommend is that if you have a 3 phase inverter drive that is to set a short braking time and run a 9" faceplate (anything else heavy for that matter). The spindle stops very quickly but the faceplate doesn't which necessitates some nifty footwork!! Needless to say the inverter is now set to coast to a stop. Minor damage and no injury but lesson learnt.
|220 forum posts|
See the "Sparey Spanner" discussed in this thread by ega.
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