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Help with a Parker-Union 974B(?)

BigAlTX

Member
Joined
Jun 6, 2019
Messages
5
Location
Tx
Several years ago, I dug up an old, heavy vise (literally, it was buried in the woods) and I recently decided to clean & refurbish it so I can start using it. Based on pictures I've found during my research, including several other posts here, it appears to be a Parker-Union 974B (4" wide jaws). Since I know there are several people on this site who know about them, I signed-up so I could ask you guys for some help with a couple issues.

See the attached pictures for details.

First, I need to completely disassemble it so I can clean out all of the dirt and rust, but I'm having trouble removing the female-threaded part that the handle shaft screws into (I'm sorry, I don't know the proper name for it). I see how there's a dovetail slot that it's supposed to slide into, and other models use a dowel pin to lock it into place. Mine appears to have a little metal plate that slides into a slot to lock that female-threaded part in place (see picture below), but I can't seem to get it to come out. Does anyone know of any tricks to get it out?

Second, I need to get replacement jaw inserts. The one original jaw insert that it had (the other was missing altogether) doesn't wrap over the top of the jaw (the way the Parker or early Parker-Union units did) -- they used 2 countersunk screws to hold each one in place. The casting had a little "shelf" for the bottom of the inserts to rest on, but that shelf on the side where the insert was missing is completely broken off, and part of the other one is missing as well (see the picture). Since those shelves would have supported the jaw inserts (like when you have to hit something from above), I'm thinking that the replacement inserts should have a step to go over the top of the jaw to provide the support that is now missing. Also, the screw holes will probably need to be drilled-out to accommodate larger screws (the threads appear to be stripped on a couple of the holes).

Does anyone know of a source for getting custom inserts made? I have already asked Kevin Scott at benchvisejaws.com, but he doesn't do custom work. I'm not averse to making some modifications to the vise itself to facilitate fitting the new inserts (such as removing the rest of the remaining "shelf", or flattening the tops the jaws); this is not a "restoration" -- I intend to really use this vise.
 

Attachments

  • Side View (left) 20190608_121140.jpg
    Side View (left) 20190608_121140.jpg
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  • Side View (right) 20190608_121219.jpg
    Side View (right) 20190608_121219.jpg
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  • Parker Union Logo 20190608_121233.jpg
    Parker Union Logo 20190608_121233.jpg
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  • Dovetail (cleaner) 20190605_195517.jpg
    Dovetail (cleaner) 20190605_195517.jpg
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  • Jaws Closeup 20190608_121525.jpg
    Jaws Closeup 20190608_121525.jpg
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mouthpiece

Member
Joined
Sep 11, 2016
Messages
22
Location
Oklahoma
At the front lower edge of the nut, there is a small piece of metal that will need to pop out to allow the nut to slide out of its groove
 
OP
B

BigAlTX

Member
Joined
Jun 6, 2019
Messages
5
Location
Tx
Yes, I know. That's the 'small metal plate' that I'm talking about. I've tried to get it out, but it's stuck in there good. There's no space under it to pry it up, and there's nothing to grab hold of at the top.
 

Fierljeppen

Well-known member
Joined
Jan 26, 2018
Messages
1,159
I not familiar with the Union Parker vise, but if you don't get the answers your looking for here, re-post on the vise repair link and I'm sure some worthy members will chime in. https://www.garagejournal.com/forum/showthread.php?t=252830

Good photos and concise questions are key. Your excellent 1st posting has both and you should get some worthy responses. Best of luck!
 
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nenu12

New member
Joined
Jan 6, 2021
Messages
2
Location
cdmx
Yes, I know. That's the 'small metal plate' that I'm talking about. I've tried to get it out, but it's stuck in there good. There's no space under it to pry it up, and there's nothing to grab hold of at the top.

Hi. Good afternoon.

I’m not sure about if that email is, but by any chance did you own a mexican mustang several years ago?

Thanks, have a good day,
 
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