Advice Repairing Bakelite Knobs Delta Band Saw

[dogzbody1]

Hi all

I just collected a 1958 Delta Wood and Metal 14" Band Saw (1958 by serial number list on OWWM) but I don't know and can't determine the model. It needs some work, lots of cleaning, new belts and adjustments. One of the bakelite knobs that holds on the belt covers is stripped. Is there some kind of epoxy that I can fill it with then drill and tap for the thread on the machine? Or must I try and find a good original?

Thanks for any advice you can offer!
Steve

 

[DenisG]

The one I have is from the 50s and the black phenolic knobs are also beat up, but still work. I was planning to glue in metal threaded inserts (3/8-16) when it came time to fix mine. I think that tapping or putting in inserts is always risky with old brittle plastic, but I'd prefer taking my chances with the inserts.

 

[dogzbody1]

Thank you that is a great point, I'll look for some inserts.

 

[bubinga]

check https://www.mcmaster.com/ and see if they have something close, that functions and looks close to period correct.

EDIT.

McMaster-Carr

McMaster-Carr is the complete source for your plant with over 595,000 products. 98% of products ordered ship from stock and deliver same or next day.

www.mcmaster.com

 

[bubinga]

check https://www.mcmaster.com/ and see if they have something close, that functions and looks close to period correct.

EDIT.

McMaster-Carr

McMaster-Carr is the complete source for your plant with over 595,000 products. 98% of products ordered ship from stock and deliver same or next day.

www.mcmaster.com

McMaster-Carr

McMaster-Carr is the complete source for your plant with over 595,000 products. 98% of products ordered ship from stock and deliver same or next day.

www.mcmaster.com

McMaster-Carr

McMaster-Carr is the complete source for your plant with over 595,000 products. 98% of products ordered ship from stock and deliver same or next day.

www.mcmaster.com

 

[dogzbody1]

Thank you, I just ordered a set from McMaster Carr (part 6479K82), if these look the I'll use them while I find a suitable insert for the original.
Thank you both!
Steve

 

[bubinga]

Thank you, I just ordered a set from McMaster Carr (part 6479K82), if these look the I'll use them while I find a suitable insert for the original.
Thank you both!
Steve

Those should look pretty good. 

 

[The Cobbler]

some sort of a thread insert would be what I would try, or epoxy a stud in the knob and use a nut in place of the stud on the other half

 

[bubinga]

some sort of a thread insert would be what I would try, or epoxy a stud in the knob and use a nut in place of the stud on the other half

Yeah that would be all right. But without looking at it I don't know if you can get a nut on the back of the stud. Might have like a welded nut, but with that year more than likely a stud threads into the casting.
If you wanted to glue a stud into the existing knob, I'm sure youcould remove that stud and put it aside, and just glue a different stud.

That way if the stud was epoxied in the old
Bakalite knob there would be less stress on the knob l wound think.

 

[bubinga]

Are you a member at OWWM
old wood working machines?
There is a WTB and a for sale section for wood machines and another section for metal machines.
You can probably post on both but again check the rules about that.
You have to sign up and everything but read the rules and pay attention to them because they're pretty strict on the rules.
But there's a lot of nice guys over there and a lot of valuable information.
Just Google it I don't have the link handy.

 

[DenisG]

Looks like they used two part #'s for the knob holding the wheel blade cover: LBS-177 and LBS-282:

http://vintagemachinery.org/pubs/1141/3226.pdf

http://vintagemachinery.org/pubs/1141/2784.pdf

The older Rockwell document lists the LBS-177 at costing 15 cents each!
I think that they are all considered 28 series bandsaws, but the model number system for the older machines is a bit of a mystery to me. The Rockwell nameplates seem to only list the serial numbers.

 

[exmaxima1]

Thank you, I just ordered a set from McMaster Carr (part 6479K82), if these look the I'll use them while I find a suitable insert for the original.
Thank you both!
Steve

The 3-inch diameter might be an issue since the originals were about 1.75". There's not much space by the lower blade guide assembly. I think your saw uses the LBS-177 and you can buy them on the auction site:

Delta Rockwell Bandsaw Knurled Guard Knob 1087256 LBS-177 | eBay

Find many great new & used options and get the best deals for Delta Rockwell Bandsaw Knurled Guard Knob 1087256 LBS-177 at the best online prices at eBay! Free shipping for many products!

www.ebay.com

 

[bubinga]

how about these?

Old Woodworking Machines - Login