Search found 3 matches

by nogbert
Tue Jul 14, 2026 12:20 pm
Forum: Maintenance and Repair
Topic: Electronic speed reduction on conventional headstock?
Replies: 1
Views: 83

Electronic speed reduction on conventional headstock?

I'm wondering if anyone had ever tinkered with using an in-line potentiometer or other variable control element to reduce the base output velocity of the electric motor. Seems like someone surely could come up with something along these lines that would allow for very slow spindle speeds for large ...
by nogbert
Mon Jun 29, 2026 12:09 pm
Forum: Maintenance and Repair
Topic: Wheel raise mechanism camshaft repair
Replies: 1
Views: 94

Re: Wheel raise mechanism camshaft repair

For reference, this is the screw that busted off inside the “camshaft”
IMG_6724.jpeg
IMG_6724.jpeg (124.99 KiB) Viewed 84 times
by nogbert
Sun Jun 28, 2026 7:13 pm
Forum: Maintenance and Repair
Topic: Wheel raise mechanism camshaft repair
Replies: 1
Views: 94

Wheel raise mechanism camshaft repair

Just took ownership of a 2001 mark v 520 and am sprucing it up/familiarizing myself with it. The previous owner has noted that the (for lack of a better word) camshaft that raises and lowers the caster wheels would regularly become dislodged from its socket holes due to the flimsiness of the legs ...