Search found 4 matches

by booboobear
Sun Jan 17, 2010 11:33 pm
Forum: Maintenance and Repair
Topic: Mark V fan sheave binding - motor shaft does'nt free Rotate
Replies: 12
Views: 14198

Fan sheave rubbing

Bill, Ron, JPG,

thanks for the good information I took my spring apart and surprise of all surprises there was no spacer #124 between the fan sheave and the motor casing. Also the "set Screw" was missing. The fan sheave has gouged into the motor casing at the hub and the tip regions. I am preparing ...
by booboobear
Sun Jan 10, 2010 9:32 pm
Forum: Maintenance and Repair
Topic: Mark V fan sheave binding - motor shaft does'nt free Rotate
Replies: 12
Views: 14198

beeg

I oil it with sewing machine oil every few months before I use it. Now that I have seen Rick's Sawdust Sessions it is getting easier. Oiling may not be a problem - I used it at slow speeds during some large diameter bowl lathe work. The slow speed may be the problem. I still don't understand ...
by booboobear
Sun Jan 10, 2010 9:21 pm
Forum: Maintenance and Repair
Topic: Mark V fan sheave binding - motor shaft does'nt free Rotate
Replies: 12
Views: 14198

Ron

You are on to something. I just read some other treads with fan sheaves sticking and it looks like the key, spacer, and set screw may be the problem (better than the motor bearings - which I was afraid of). Parts exploded view shows the spacer #124 (pointed out by billmayo in another thread ...
by booboobear
Sun Jan 10, 2010 5:44 pm
Forum: Maintenance and Repair
Topic: Mark V fan sheave binding - motor shaft does'nt free Rotate
Replies: 12
Views: 14198

Mark V fan sheave binding - motor shaft does'nt free Rotate

Recently I got introduced to Mark V and I love it. I am using a friend's Mark V Shopsmith (planning on buying it) which was working fine till recently. Lately it became difficult to free rotate the shaft with the hand. Now when I turn the motor on it will not rotate.
1. I removed the headstock from ...