Universal arbor observations

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larryhrockisland
Gold Member
Posts: 139
Joined: Sun Aug 19, 2007 10:47 pm

Universal arbor observations

Post by larryhrockisland »

Thanks to Russ for the post identifying Shopsmith arbors, viewtopic.php?p=260771#p260771. I think I have a 505506 version 2 and version 4.
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The next picture adds a 555608 to the mix just to compare the left side blade registration to the headstock, whether a standard blade or dado set. Registrations are the same.
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The universal arbor version 2 will clear the tie bar when the headstock is against the rubber bumper but the version 4 will not and has to be manually adjusted. This is not a problem unless you made your zero clearance insert using version 2 and then use version 4 the next time around like me :o . I didn't get a picture of version 4 mounted. I also believe any of the universal or dado arbors have to be set manually on Mark 5/500's. As a side note I noticed my 10ER universal arbors do not seat fully on the Mark 5 and up models, they bottom out on the shaft before seating against the spindle knob.
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I don't have or can't find my 520 dado insert so I used my 500 stuff for the pictures. This is bumped against the rubber stop and using the universal arbor version 2. I know the dado set is rubbing the right side of the tablesaw insert but a regular blade would fit without issue. I usually use my own zero clearance inserts anyway. Back to setting up my dado for box joints
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Larry Hargrove
Rock Island, Ok
1981 Mark V 500>510>520(98922)
19?? Mark V 500>Power Pro headstock 556176 06-17-11 factory exchange program original serial unknown
1957 Mark V 500 (350389)
1953 10ER
Another 10ER
Bandsaw 2012 Jointer 2012
Bandsaw, Jointer, other goodies
Craftsman table saw, Delta 46-460 Midi lathe
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chapmanruss
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Posts: 2724
Joined: Tue Aug 26, 2014 8:16 pm
Location: near Portland, Oregon

Re: Universal arbor observations

Post by chapmanruss »

Larry,

In the first picture you are correct. That is version 4 of the 5/8" Arbor on the left and version 2 on the right. Nice comparison with the 5/8" Arbor 555608 showing the blade spacing for them.
Russ

Mark V completely upgraded to Mark 7
Mark V 520
All SPT's & 2 Power Stations
Model 10ER S/N R64000 first one I restored on bench w/ metal ends & retractable casters.
Has Speed Changer, 4E Jointer, Jig Saw with lamp, a complete set of original accessories & much more.
Model 10E S/N 1077 oldest one I have restored. Mark 2 S/N 85959 restored. 10E S/N 1076 & others to be restored.
larryhrockisland
Gold Member
Posts: 139
Joined: Sun Aug 19, 2007 10:47 pm

Re: Universal arbor observations

Post by larryhrockisland »

Thanks
Larry Hargrove
Rock Island, Ok
1981 Mark V 500>510>520(98922)
19?? Mark V 500>Power Pro headstock 556176 06-17-11 factory exchange program original serial unknown
1957 Mark V 500 (350389)
1953 10ER
Another 10ER
Bandsaw 2012 Jointer 2012
Bandsaw, Jointer, other goodies
Craftsman table saw, Delta 46-460 Midi lathe
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