Working on my Dad's
1942 Dielh, 6 in, 1/4 hp bench grinder.
There does not appear to be any locking holes in the armature or spacer cups to lock the wheels down.
I know the left side is reverse threaded.
I managed to swap out the right side 68-year-old wire wheel by gripping it with work gloves, but that torque will probably come loose after a couple half-hour sessions.
Any trick, or clues where I should look for access holes to lock the shaft?
Thanks
Bill K
not mine - vintage internet pic: (mine still has the original cloth shield power supply cordset)
