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Smokey has a leak

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Smokeycub
10+ Years
10+ Years
Posts: 1050
Joined: Tue Apr 26, 2011 10:47 am
Zip Code: 44266
Tractors Owned: 48 F Cub #11678
65 Cub Cadet 104
70 450C JD loader
67 Cub Cadet 107
90 B7100HST-D Kubota
72 Cub Cadet 149
54 Super C
Circle of Safety: Y
Location: Ravenna, Ohio

Smokey has a leak

Postby Smokeycub » Wed Oct 17, 2012 4:26 pm

As you may remember my poor ol Cub has had a radiator leak. Well I broke down and bought a new radiator, one of those really nice ones from Ireland. So I'm all set to replace it and I notice several spots of brass on my radiator lower tank/steering gear casting. I examine it a little closer and I can see some other kind of filler right where the radiator bolts on, as well as a hair line crack, and to top it off (so to speak) the casting around the drain plug at the bottom is partly broken out!! I could probably repair the drain by grinding off what is left of the threads and brazing a new bung into it, and I could probably redo the the old brazing job on the top side, but... I have a bad feeling it may not have been the best casting to start with. So with that in mind I'm hoping one of you guys has a donor/parts F-Cub with a good lower radiator/steering gear casting on it. ...or any other good ideas. Thanks in advance for any help!
Ray
Smokeycub
Attachments - 193 plow - 144 cultivator - 22 mower - 28A disc harrow - 54 leveling blade - Woods 59C2 - drag harrows - Mott D9 flail - flat belt pulley
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The squeaky wheel may get the grease but it's usually the first to be replaced!

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Don McCombs
Team Cub Mentor
Team Cub Mentor
Posts: 17446
Joined: Mon Feb 03, 2003 6:45 am
Zip Code: 21550
Tractors Owned: "1950 Something" Farmall Cub
1957 Farmall Cub w/FH
1977 International Cub w/FH
1978 International Cub
1948 Farmall Super A
Circle of Safety: Y
Location: MD, Deep Creek Lake

Re: Smokey has a leak

Postby Don McCombs » Wed Oct 17, 2012 4:31 pm

You should have no problem finding a replacement casting. Place a want ad in the For Sale/Wanted forum.
Don McCombs
MD, Deep Creek Lake

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Proud Member of Maryland Chapter 39

The best teachers are those who show you where to look, but don't tell you what to see.
A. K. Trenfor

Smokeycub
10+ Years
10+ Years
Posts: 1050
Joined: Tue Apr 26, 2011 10:47 am
Zip Code: 44266
Tractors Owned: 48 F Cub #11678
65 Cub Cadet 104
70 450C JD loader
67 Cub Cadet 107
90 B7100HST-D Kubota
72 Cub Cadet 149
54 Super C
Circle of Safety: Y
Location: Ravenna, Ohio

Re: Smokey has a leak

Postby Smokeycub » Wed Feb 13, 2013 9:50 am

I've been working on ol' Smokey, it's been a slow process. I got the "new" lower radiator housing and it's generally in good shape but not without a problem. It seems the PO wad issues with the coolant drain plug as well, the head was rounded off. I squared it up so I could get a bite with a 3/8" square socket. I twisted the nub right off :shock: even with heat and Blaster, to no avail I tried to spin it out with a blunt chisel, stuck solid. I thought - :censored: , I really didn't want to drill it out, but that's what I ended up doing. I had to drill it out to nearly the size of the tap drill size before it budged.
Photo037.jpg
Wheew! Got it, threads in tact!


To repeat myself from an earlier post... This all started out because I needed to replace the radiator on my Cub. A number of months ago I found and ordered a new radiator, made in Ireland, and looks real nice for $180.00. I took the hood off ond proceeded to drain the radiator (I haven't done that since I've had the tractor) and found a chunk of wood jambed into the drain hole with a bunch of sealer gobbed around it! The casting was broken out where the plug should screw in. Up to that point I thought it was just covered in grease and grime. Upon further inspection, the top of the housing had a bunch of braze and filler as well as a number of hairline cracks where the radiator bolts on. I attemped to clean the brass off to get an idea of how bad it really was, I ended up with a few pieces of the casting in my hand. To my amazement that particular area never leaked.
Photo028.jpg
The original housing with the wood plug and the "sealer" cleaned off.
Photo031.jpg
This is just plain ugly!..and didn't leak! ... before I cleaned off the braze

The area around the shiny spot had several hairline cracks which were brazed and liquid weld as a filler.

The new casting is from a newer Cub and has the reinforcing rib behind the tank.
Photo033.jpg
reinforced casting 350886-R2
Photo032.jpg
original casting 350886-R1

I scrounged up a 3/8" brass plug so hopefully the next time I won't have these issues.
Photo038.jpg
...and I think I'll used neverseize on this one!

Now I'm on to replacing the front seal with a speedy sleeve.
Ray
Smokeycub
Attachments - 193 plow - 144 cultivator - 22 mower - 28A disc harrow - 54 leveling blade - Woods 59C2 - drag harrows - Mott D9 flail - flat belt pulley
Image
The squeaky wheel may get the grease but it's usually the first to be replaced!


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