Restoration of 10EE Round Dial (Dev Diary)

[Mobius1ac]

So I bought this 1941 Monarch 10EE back in like May and have been telling myself that I was going to make a series of YouTube videos about the adventure.

I have since decided to document the restoration here.
This thing is in pretty rough shape; the lower cover is cracked in half and the tailstock and upper cover are flat out missing. It's absolutely covered in dirt, oil, and rust and I can't find where the plug would go if it had it.

This should be fun...
(I will break the sections down as I write them to make them easier to find)

Chapters.
Getting it home
Gearbox

 

[Don's Engine]

COOL!!!! Where you at? I see the NASA truck behind you.

 

[amaranth]

Hope you got it cheap; those missing bits are going to add up.

Parts do come up every so often (even tailstocks) but you'll probably have to be patient. That top cover is likely the hardest part to source. A lot of people have talked about fabbing one, but I am not aware of anyone who actually has.

It's not uncommon for the bottom cover to crack. Mine did and I repaired it with some Devcon and a couple of 1 x 1/4 bars screwed in to the cover.

Before you get too involved, check the ways for wear. Are you missing the cross slide and apron as well (and lead and feed screws and feed gears and knobs ...)?

 

[Mobius1ac]

COOL!!!! Where you at? I see the NASA truck behind you.

That picture was taken in Fargo, ND. I honestly never noticed the NASA logo.

 

[Mobius1ac]

Hope you got it cheap; those missing bits are going to add up.

I got it for $1400 as it is, cost me an additional $200 to get it to my house.
It has like 6 boxes of parts that are just loose, but I think a cross slide is in there somewhere. There are too many parts for me to have done a full inventory, so I'm inventorying as I rebuild.

As for that top cover, I do intend to make my own at some point, may have a crude one put on for awhile but I'd rather get it working before making a full plan to cast a part that big.
I am fortunate that there is a welding shop down the road from me and I'm sure they can help me braze the piece back together; I'm not a bad welder, but oxyacetylene is a little out of my way right now.

 

[Mobius1ac]

Getting it home.

So this popped up on Facebook Marketplace about 80 miles from my house. I decided to jump on it as it was for a good price and (more importantly) was close by. I do not have a truck or anything that can pull a trailer, so I had to rent the truck and the trailer as well as those little lifts in the first picture.

Loading it up went fairly well, owner lifted it up with a forklift and set it down on the lifts in the trailer. Initially, I covered it with a tarp. It was camouflaged, so my friend and I referred to it as "stealth mode". Unfortunately, the tarp got ripped off after a half mile because I forgot that it's constant gale-force winds out where I live; so stealth mode didn't last long.

Going down the highway, we got about halfway back home and I look back in the mirror and the spindle is pointing in a different direction than it had a minute ago. We pull over and come to find that the spindle assembly was not held down by anything, only a couple of pins to keep it from sliding. So we quickly took it off and threw it into the bed of the truck.

After that, we got it home with no further incident. But while pushing it off the trailer, it came off the lifts and dropped in the middle of the garage door, teetering on the trailers ramp. Wound up dropping one of the lifts on my foot at that point, but managed to re-lift the lathe and get it on some blocks in the garage.

 

[amaranth]

Looks like you have a nice puzzle to work through. Did you get all of the drive components? If it had the original drive there should be a relay box behind the broken panel, a large DC motor with backgear and a motor/generator set with exciter in the other end. I think they might be inline for that year, but Cal would know for sure.

When I brought my basket case home, it was in the back of a pickup. Moving it to my new place, I used a drop deck trailer and skates and it was a totally boring move.

Post more on here, you'll get a lot of encouragement.

 

[Mobius1ac]

Looks like you have a nice puzzle to work through. Did you get all of the drive components? If it had the original drive there should be a relay box behind the broken panel, a large DC motor with backgear and a motor/generator set with exciter in the other end. I think they might be inline for that year, but Cal would know for sure.

On initial inspection, it seems to be all there, at least the main components. The motor half of the MG unit had a little surprise that I will mention later
I actually did remove the circuit board by the point I started filming the teardown.

As of right now, I'm retelling the process so far. I've already ripped a lot of this thing apart and cleaned up others.

 

[rimcanyon]

Brazing the lower cover is a rite of passage. It really is not that hard, the slots in the cover help to avoid problems with expansion due to heat.

 

[bob]

I know lathes are hard to come by in this part of the world but you must have really wanted one!

 

[Andy FitzGibbon]

With the bed stripped down like that, it's easy to set up a DTI on the saddle and get a rough idea of bed wear. If the bed is shot, now is the time to either A. get it ground or B. jump ship, and use this machine as a parts donor for another one.

 

[Cal Haines]

So I bought this 1941 Monarch 10EE back in like May and have been telling myself that I was going to make a series of YouTube videos about the adventure.
View attachment 407081
...

What's the serial number and build date? (Look on the base, below the tailstock, next to the electrical box.)

 

[Mobius1ac]

I know lathes are hard to come by in this part of the world but you must have really wanted one!

They actually arent that hard to find, its just that they are all on the far side of Minneapolis, lol.
Ive had to pass on like 10 of them that were in fantastic condition for a good price and I just dont have the time or ability to go that far just to check it.

 

[Mobius1ac]

What's the serial number and build date? (Look on the base, below the tailstock, next to the electrical box.)

Motor-Generator Style
MFGR's No - 12845
Build Date 12-1941

I had it for about 3 weeks before it was pointed out that it was built right at the start of WW2

 

[Leowren]

Hope you got it cheap; those missing bits are going to add up.

Parts do come up every so often (even tailstocks) but you'll probably have to be patient. That top cover is likely the hardest part to source. A lot of people have talked about fabbing one, but I am not aware of anyone who actually has.

It's not uncommon for the bottom cover to crack. Mine did and I repaired it with some Devcon and a couple of 1 x 1/4 bars screwed in to the cover.

Before you get too involved, check the ways for wear. Are you missing the cross slide and apron as well (and lead and feed screws and feed gears and knobs ...)?

There’s one on eBay right now but it’s almost as much as he paid for the whole machine:https://www.ebay.com/itm/2854292161...vjw92yjSHy&var=&widget_ver=artemis&media=COPY

 

[rakort]

shit, I sold mine for $500...no wonder it went so fast.

 

[Mobius1ac]

So once it was in the garage, I started looking over it and getting a plan together for the restoration. I originally planned on tearing the whole thing down at one time and then painting and rebuilding it as a whole. I quickly realized that I didnt have the room to do that. I pulled off all the panels and removed the conduit that seems to have been drilled in sometime after it was originally built.

I think this conduit was to switch the oil pump on and off, but it seems really poorly done or at least really old, so I will come up with another solution for the pump.

The next things I removed were the Start/Stop switch. I was kind of surprised at how simple these buttons were, literally washers on a spring to complete the circuit.

I took these apart and cleaned them to the best of my ability. Once I got my sand blaster, I blasted the paint off of the plate.

 

[Mobius1ac]

The next step was to remove the electronics box.

It wasn't really held in by much, just a couple of pins in a hinge. I tried to avoid clipping wires, but that wound up being what needed to happen as the wires disappeared into a conduit. I have pretty much set this aside at this point and havent worked on it at all, but it was in the way of other components that I wanted to get to.
Namely this bigass rheostat.

I took the gear and chain off and cleaned them with degreaser. Then I took the actual piece off.

I got it onto my bench and ran a continuity test to make sure that the coils were in good condition. I cant quite remember the nominal values (I found them on a thread here somewhere) but the values I got for the full coils were 670 and 392 ohms respectively.

 

[Mobius1ac]

Let me tell you something about this rheostat... it was filthy. Covered in years of grease, grime, and dust that had all hardened like concrete. I cracked this thing open and gave it a good cleaning as best I could.

Before

And after.
It was recommended to use Mothers Mag & Aluminum Polish and a pink eraser to get the majority of the gunk off and I got to say, it works pretty well.

I got some actual electronics cleaner now so I will probably disassemble it later and clean it again, but for now I ran a file over the mounting brackets (as mine seemed to be covered in spatter from some shoddy welds) and gave it a quick spray with some paint I had on hand. Mostly did that for corrosion protection, but also to restore it to its original red color. Not sure if that will stay, but who knows at this point.

 

[Mobius1ac]

The next parts to come out were the speed selector knob and backgear lever...

and the oil pump.


I removed the gear assembly and attempted to take it apart. Unfortunately, someone had never encountered a tapered pin before and wound up hammering the wrong side to get it out and now the pin is peened into place permanently. The good thing is that the other one came out alright.

So all of the components were degreased, cleaned, and sprayed down with rust preventative.

As for the pump, it was basically just removed and set aside. The hoses were pretty chewed up on all ends and will need to be replaced, but that's only if I actually decide to reinstall it. I am considering putting a phase converter in that slot which just makes this whole power system even more ridiculous. I will wind up with an AC motor, running a second AC motor, running a DC generator, running a DC motor.