Hmmm...I went out to the garage to look at the cub I have there, and sure enough! It has a square head plug! I hadn't seen that before. If you have a pipe plug socket, maybe you can get on it with that?
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Cub Hydraulic Disappointment
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Re: Cub Hydraulic Disappointment
Dale Finch wrote:Hmmm...I went out to the garage to look at the cub I have there, and sure enough! It has a square head plug! I hadn't seen that before. If you have a pipe plug socket, maybe you can get on it with that?
20220220_161353_copy_1008x567[1].jpg
The only plug I’m seeing is in the lower, left quadrant of the head. I had a cheap 3/8” to 1/4” reducer for my socket set, but twisted off the 1/4” portion, since the plug is so tight. There was some movement in turning the plug.
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Re: Cub Hydraulic Disappointment
Just checked my other touch control. It has the external, square plug, just like your pic.
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Re: Cub Hydraulic Disappointment
Since the other Touch Control was drained (due to the overhaul), I removed the pipe plug to see if it was special or just a regular old pipe plug. It’s a standard plug.
Tried my 1/4” socket wrench on the ‘48 and it didn’t budge. Not wanting to damage my wrench, I found an old wood handle screwdriver that had a 1/4” square shaft. I cut the end off, ground it, then used an adjustable wrench in combination to turn the shaft. Plug finally loosen and was removed.
I’ll have to find a way to remove the orifice/screen. So far, a dental pick didn’t do the job.
Tried my 1/4” socket wrench on the ‘48 and it didn’t budge. Not wanting to damage my wrench, I found an old wood handle screwdriver that had a 1/4” square shaft. I cut the end off, ground it, then used an adjustable wrench in combination to turn the shaft. Plug finally loosen and was removed.
I’ll have to find a way to remove the orifice/screen. So far, a dental pick didn’t do the job.
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Re: Cub Hydraulic Disappointment
Stanton wrote:I’ll have to find a way to remove the orifice/screen. So far, a dental pick didn’t do the job.
As I recall, the orifice unscrews with a flat blade screwdriver and the screen comes out with it. I don't recall whether it can be stubborn after the threads are completely disengaged.
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'55 Cub #190482 "Ben" with Woods 42 mower
'55 Cub #191739 "Bertha" with Woods 42 mower
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Re: Cub Hydraulic Disappointment
Jim Becker wrote:Stanton wrote:I’ll have to find a way to remove the orifice/screen. So far, a dental pick didn’t do the job.
As I recall, the orifice unscrews with a flat blade screwdriver and the screen comes out with it. I don't recall whether it can be stubborn after the threads are completely disengaged.
Dale Finch wrote:Agree, it unscrews.
Yep, when I leaned over far enough and shined a light in there, it was obvious; unscrews. Thanks.
Removed the pressure regulator orifice and screen. Couldn't see any daylight through the orifice. Went over to Nellie, took the orifice and screen out and light was visible through it (that Touch Control works great). Took a small diameter, copper, telephone wire (same as we use on the carb jets) and it wouldn't go in. Looked again; orifice opening is smaller than the wire diameter. Found a wire wheel brush, pulled a wire which was smaller diameter, straightened it out and it worked. Put the whole thing into a Simple Green/water solution in my roasting pot and cranked it up to 450 degrees F. Used carb cleaner and the wire again to finished cleaning it out. Compared both orifices side-by-side and they appeared the same.
Got it all back together. Bought a brass pipe plug with an external square head in lieu of the internal square headed plug. After running it for a few minutes, noticed a leak at the new plug. Will probably replace that plug with the original. Also found that my fuel sediment bowl was cracked in numerous places--didn't leak, just cracked. Came across a spare bowl, cleaned it out, made a new rubber gasket and got that installed.
Blade is jerky-quick to go down, but comes up smoothly now. Thanks to everyone!
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Re: Cub Hydraulic Disappointment
Has the downward jerky movement smoothed out?
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Re: Cub Hydraulic Disappointment
The orifice/screen was the problem? Were you able to access it by moving the dash support?
I may have the same problem and would rather not remove the entire Touch Control block.
I found these pics of the part in this link.
https://burchstoretractors.com/products ... e-shipping
I may have the same problem and would rather not remove the entire Touch Control block.
I found these pics of the part in this link.
https://burchstoretractors.com/products ... e-shipping
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Re: Cub Hydraulic Disappointment
Stanton wrote:Since the other Touch Control was drained (due to the overhaul), I removed the pipe plug to see if it was special or just a regular old pipe plug. It’s a standard plug.
Tried my 1/4” socket wrench on the ‘48 and it didn’t budge. Not wanting to damage my wrench, I found an old wood handle screwdriver that had a 1/4” square shaft. I cut the end off, ground it, then used an adjustable wrench in combination to turn the shaft. Plug finally loosen and was removed.
I’ll have to find a way to remove the orifice/screen. So far, a dental pick didn’t do the job.
I recently picked this up lately. Haven’t had a chance to try it yet.
Thomas
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Re: Cub Hydraulic Disappointment
lowgearfarm wrote:The hydraulics on my other old tractor [full disclosure: '83 Kubota B7100, 3-pt hitch] really hates the cold weather [below 20F]. Hitch will drop, but not will not lift. Have cleaned the screen, changed the fluid to lighter weight with some improvement, but not a permanent cure. Once I carefully heated the valve body with a propane torch and fixed the problem for the day. You might just wait for a warmer day to determine if ambient temperature is a contributing factor to the problem.
Kubota Super UDT2 Fluid should correct your problem with the cold weather on this tractor. It is very expensive, but works miracles for wet clutches and extreme temps.
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