Maintaining an old, long idle Mark V

Forum for Maintenance and Repair topics. Feel free to ask questions or contribute.

Moderators: HopefulSSer, admin

User avatar
JPG
Platinum Member
Posts: 34608
Joined: Wed Dec 10, 2008 7:42 pm
Location: Lexington, Ky (TAMECAT territory)

Re: Maintaining an old, long idle Mark V

Post by JPG »

JPW(Original Paste Wax) is floor wax.

Original since anti slip compounds are NOT added(we need the slick)

Yellow can red stripe

Other brands exist(Trewax)
╔═══╗
╟JPG ╢
╚═══╝

Goldie(Bought New SN 377425)/4" jointer/6" beltsander/12" planer/stripsander/bandsaw/powerstation /Scroll saw/Jig saw /Craftsman 10" ras/Craftsman 6" thicknessplaner/ Dayton10"tablesaw(restoredfromneighborstrashpile)/ Mark VII restoration in 'progress'/ 10
E[/size](SN E3779) restoration in progress, a 510 on the back burner and a growing pile of items to be eventually returned to useful life. - aka Red Grange
john_001
Gold Member
Posts: 250
Joined: Wed Mar 16, 2011 8:28 pm
Location: Chester, NJ

Re: Maintaining an old, long idle Mark V

Post by john_001 »

For getting oil into the moveable sheave oil holes, check out the "Zoom Spout Oiler" - $4 (including the oil) at Ace. It has a long, flexible spout that fits into the oil holes quite nicely.
User avatar
zamlet
Bronze Member
Posts: 6
Joined: Tue Apr 13, 2021 6:32 pm

Re: Maintaining an old, long idle Mark V

Post by zamlet »

Wow, some great feedback! Thanks for the welcome, and thanks to all of you for your detailed posts! :)

First of all, br549 and chapmanruss, from your descriptions, I must have the 'B' headstock. My father purchased the machine back probably in the late 70s - early 80s, if I remember correctly. It is painted grey with sort of a krinkle paint, and the cover definitely pops off. There's no screw or pin, just a couple of springy clips. I don't know if pictures are necessary to identify it further, but I can take a few if it will help.

Dusty - thanks for the pictures! I am still not clear which of these parts are actually the "moveable sheaves" - do you mean the spring, or the pulley, or something else? Also, in that fourth image, is that purple mark universal or only on yours? (I haven't looked yet - sorry!)

We had an old replacement quill still in its shipping box, so my father replaced it at the same time we unearthed the whole unit, a couple of weeks ago. Apparently this was some sort of upgrade that he received many years ago but never installed until just now. I don't know what was upgraded, but he seemed to think it was important. The test run was after we installed the newer quill, not before.

I have tried to clean the unit up somewhat by brushing sawdust and regular dust away and scrubbing the bars with fine steel wool (they had a thin layer of rust on them but no corrosion that I could see). I knew wax was needed but I didn't know what sort of wax to use so I applied some sort of boat wax (= car wax?) to them afterward. I hope that was not a serious mistake! Why is car wax inappropriate?

We've both been very careful not to adjust the speed while the unit is not running. We did put it through its paces for the short time we had it running, and it seemed to work fine. The speed dial seemed a little stiff, but seemed fully operational. I figured it just needed a little lubrication. Where would I apply the lubrication to the speed dial?

This may be a silly question, but where should I go to get #10 machine oil? Would the local Home Depot or Ace Hardware be likely to have it? Should I be careful not to get #9 or #11 (assuming they even exist)?

Again, thanks to all of you for your help! I now have confidence that I can return this thing to full operation soon!
Last edited by zamlet on Wed Apr 14, 2021 12:57 pm, edited 2 times in total.
If fifty million people say a foolish thing, it is still a foolish thing.
john_001
Gold Member
Posts: 250
Joined: Wed Mar 16, 2011 8:28 pm
Location: Chester, NJ

Re: Maintaining an old, long idle Mark V

Post by john_001 »

See above - our posts crossed.
User avatar
JPG
Platinum Member
Posts: 34608
Joined: Wed Dec 10, 2008 7:42 pm
Location: Lexington, Ky (TAMECAT territory)

Re: Maintaining an old, long idle Mark V

Post by JPG »

Yes you have a "B" headstock.

Drops of oil go into the holes revealed in the first and last pix Dusty posted.

The 'new' quill is likely a two bearing quill upgrade.

The speed control knob is normally 'stiff' going towards slow. Gradual adjustment(slowly) reduces that 'feeling'.

Properly oiled sheaves will greatly reduce the stiff feeling as the sheaves will respond more quickly.



IIUC car wax is 'hard'(to resist the outdoor elements). The main reason for JPW is its slickness when buffed(good old carnuba wax) as well as corrosion resistence. Most current floor waxes are not suitable(the slick has been minimized).


Any hardware store should have "#10 machine oil", but will only identify it as 3 in 1, Zoomspout, sewing machine turbine . . . FWIW mineral oil works(sold by SS a while back).

That purple mark was 'added' to assist in locating the hole.
╔═══╗
╟JPG ╢
╚═══╝

Goldie(Bought New SN 377425)/4" jointer/6" beltsander/12" planer/stripsander/bandsaw/powerstation /Scroll saw/Jig saw /Craftsman 10" ras/Craftsman 6" thicknessplaner/ Dayton10"tablesaw(restoredfromneighborstrashpile)/ Mark VII restoration in 'progress'/ 10
E[/size](SN E3779) restoration in progress, a 510 on the back burner and a growing pile of items to be eventually returned to useful life. - aka Red Grange
User avatar
dusty
Platinum Member
Posts: 21358
Joined: Wed Nov 22, 2006 6:52 am
Location: Tucson (Wildcat Country), Arizona

Re: Maintaining an old, long idle Mark V

Post by dusty »

The upper sheave (image 1) is most frequently referred to as "the movable" sheave. However the lower sheave (image 4) moves also. They move in and out in conjunction with one another to establish a variable pulley arrange between the motor sheave (lower) and idler sheave (upper) resulting in speed control.
The MarkV Sheaves Revisited.jpg
The MarkV Sheaves Revisited.jpg (143.51 KiB) Viewed 972 times

The last bottle of oil that I purchased was the ZoomSpout from ACE hardware. I prefer it not because of the oil but rather from the spout which makes it easier to get the oil where I want it ("in the hole").
"Making Sawdust Safely"
Dusty
Sent from my Dell XPS using Firefox.
DLB
Platinum Member
Posts: 1984
Joined: Fri Nov 08, 2019 11:24 am
Location: Joshua Texas

Re: Maintaining an old, long idle Mark V

Post by DLB »

As near as I can tell ZoomSpout is an oiler brand, and available with various contents. From my perspective it is not always clear what those contents are. In other threads folks have talked about the version with 'cooler oil,' but this seems to be regionally available. 3-In-One is widely available, frequently with an extendable spout that is better for oiling the sheaves than the old school can was. Either should be fine as long as you are happy with the contents. I choose the 3-In-One, but it is primarily a question of what is readily available near me.

- David
User avatar
BuckeyeDennis
Platinum Member
Posts: 3683
Joined: Tue Jul 24, 2012 10:03 pm
Location: Central Ohio

Re: Maintaining an old, long idle Mark V

Post by BuckeyeDennis »

Zamlet, the term "sheave" is more-or-less synonomous with "pulley". But while most pulleys have a fixed width, the Shopsmith variable-speed drive (aka. Reeves drive) uses separate sheaves (half-pulleys). One of each half-pulley pair can "float" along the pulley shaft. This allows the effective pulley diameters (where the belt rides) to be changed, which in turn changes the drive ratio.

The most critical points to lubricate are where those "floating sheaves" ride on their shafts. The little lube hole hiding beneath the big spring in Dusty's photos is there to help you get oil to those points.
User avatar
zamlet
Bronze Member
Posts: 6
Joined: Tue Apr 13, 2021 6:32 pm

Re: Maintaining an old, long idle Mark V

Post by zamlet »

BuckeyeDennis wrote: Wed Apr 14, 2021 3:26 pmZamlet, the term "sheave" is more-or-less synonomous with "pulley". But while most pulleys have a fixed width, the Shopsmith variable-speed drive (aka. Reeves drive) uses separate sheaves (half-pulleys). One of each half-pulley pair can "float" along the pulley shaft. This allows the effective pulley diameters (where the belt rides) to be changed, which in turn changes the drive ratio.

The most critical points to lubricate are where those "floating sheaves" ride on their shafts. The little lube hole hiding beneath the big spring in Dusty's photos is there to help you get oil to those points.
OK, that's a great explanation! The word "sheaves" was throwing me off as I was unclear what was being referred to.

It looks like either ZoomSpout or 3in1 is what I should be looking for. I guess I need to be scrupulously careful not to get any oil either on the inside surfaces of the sheaves or on the belt itself. Is there any way of protecting / preserving the belt itself? This one looks OK, but in my experience car engine belts often look OK right up to the day they separate.

JPG, what is the difference between the "two-bearing quill" and whatever its predecessor was? Should I be glad we did this update? I think I still have the old quill if there's any reason I should revert the change.
If fifty million people say a foolish thing, it is still a foolish thing.
User avatar
JPG
Platinum Member
Posts: 34608
Joined: Wed Dec 10, 2008 7:42 pm
Location: Lexington, Ky (TAMECAT territory)

Re: Maintaining an old, long idle Mark V

Post by JPG »

If it ain't broke, do not 'fix' it. The new quill is likely a good improvement. However a spare quill MAY come in hand IF the new one develops a 'problem'. The 'old' one has a single bearing. When you removed the 'old' one there was a funny shaped washer like thingie near the drive sleeve end of the splined quill shaft. Keep it. No GREAT loss if it 's location is unknown.

Any oil spill on either the belts or pulley will not reside there for long once it is running. But do clean up any spilled/dribbled/whatever.

Sheaves is a not totally accurate today term left over from the block and tackle days.
╔═══╗
╟JPG ╢
╚═══╝

Goldie(Bought New SN 377425)/4" jointer/6" beltsander/12" planer/stripsander/bandsaw/powerstation /Scroll saw/Jig saw /Craftsman 10" ras/Craftsman 6" thicknessplaner/ Dayton10"tablesaw(restoredfromneighborstrashpile)/ Mark VII restoration in 'progress'/ 10
E[/size](SN E3779) restoration in progress, a 510 on the back burner and a growing pile of items to be eventually returned to useful life. - aka Red Grange
Post Reply