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nella(Pa) 
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 Topic: Ca run a brush hog?
Posted: 31 Jul 2019 at 8:34am |
A arasol can or two of Brake Clean. And just maybe if it is working you should'n fix it, like I do sometimes!
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jaybmiller
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Posted: 31 Jul 2019 at 5:56am |
I'm happy you got it working right, if not properly ! When you goto 'look at the pump'... ...be sure to clean off workbench, lay down USED white bedsheet or towel, have LOTS of GOOD lighting, 2-3 copies of the pages about the pump and sweep the floor real good BEFORE opening up the pump. The check balls( ball bearings) are spring loaded and WILL want to escape ! I had to clean mine 3 times before I got all of the 60 year old slimy sludge out of the innards of the pump. cheers Jay
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Hunt4Allis
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Posted: 31 Jul 2019 at 12:17am |
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So I set all to the specs, only will raise still no lowering...
Decided to start up tractor and play with adjustment s and whala! It's raising and lowering (the setup shows the 1/4" diameter
operating rod should be out at end of rod but for this pump it wanted it right physically dead center on rod)
I know it is probably a quick fix but at least I can finish brush hog work and a couple other projects with it until I can remove pump and see what's worn out internally 👍
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UncleRuckus717
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Posted: 30 Jul 2019 at 1:30pm |
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I have only worked on my B personally, so hopefully some of the experts will chime in about the CA adjustment specifically. I read the service manual I have that covers the G, B, C and CA and it does not mention the adjustment for the lowering control screw under the CA hydraulic pump section. With my B I just lifted the implement, adjusted the screw a little bit one way, and lowered the implement until I was happy with the speed. I am sorry I do not have more information specific to the CA. The 303 from TSC is the same stuff I have used for years, works well for me in all seasons, so I'd say we can surely rule out the hydraulic fluid as a culprit. Good luck!
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1949 Model B
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Hunt4Allis
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Posted: 30 Jul 2019 at 12:32pm |
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I have not started to adjust that part yet, but I am going to be here in about the next half hour.
I used oil from my local TSC called supers 303 tractor hydraulic fluid (it looks to actually have a picture of a Allis Chalmers model c a right on the front)
Any tips or tricks to adjusting this pump would be greatly appreciated, otherwise I'm going to delve into the adjustments of this and hopefully I can make an improvement. I thought I had seen somewhere in here that it said to have the cylinders fully extended?
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UncleRuckus717
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Posted: 30 Jul 2019 at 12:19pm |
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I may have missed it, but have you tried adjusting the thumbscrew the changes the lowering speed of the hydraulics? If I'm not mistaken, the pumps on the B C and CA are pretty similar, there should be an adjustment thumbscrew you can use to tune the lowering speed. It could be your old water-mix hydraulic fluid was thin enough to allow the hydraulics to lower correctly as set. Using the correct oil (which is obviously thicker than water) could cause the hydraulics to lower PAINFULLY slowly (over night!) or not at all. What type of fluid did you use when you did the change? (Sorry if I missed that).
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1949 Model B
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Hunt4Allis
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Posted: 30 Jul 2019 at 6:10am |
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Yeah I'm kind of mad at myself for trying to make this thing run better and last longer by changing all the oil because as soon as I did it quit working altogether whereas if I left it as it was I could have finished all my chores then replaced all the oil 😆
If I could put all that milky watery oil back in I might do it just so I could have it working again for a couple days but I hate to abuse things that are old to begin with so I figured I would put new oil in it before I started abusing it and it bit me in the butt
Edited by Hunt4Allis - 30 Jul 2019 at 6:12am
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jaybmiller
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Posted: 30 Jul 2019 at 5:44am |
I remember tearing the pump apart 3 times to get ALL the gunk and krap outta it before it'd work like it should. I think it was the 'screw and ball' on the front of the unit that was the culprit.that was 10 year ago. dang ball 'went for a roll'...2 hrs later found it on the concrete floor..THAT.. I remember... whew.... someone with a CA will respond..wish I still had mine...,sniff
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3 D-14s,A-C forklift, B-112
Kubota BX23S lil' TOOT( The Other Orange Tractor)
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Hunt4Allis
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Posted: 30 Jul 2019 at 12:58am |
 Hunt4Allis wrote:
Here's a picture of my CA with the brush hog connected finally today. I did run a couple tests on it and everything seem to be going okay other than at one point I raised the unit up and I could not lower it back down it's almost like the hydraulics got locked up and would not lower but I checked them before I even connected to it, what do you guys think that could cause this?
I don't know if I can change the settings like in the shop manual how it goes step-by-step how to set one of these pumps and maybe mine is just not set right? It seemed to work a few times just like it should and intermittently it gets stuck in the up position and with the handle how it should go down I can stand on the brush hog in bounce and it still won't go down, after I parked it in the barn it took about 15 minutes for it to gradually settle down onto the floor. The main problem with this is I need it to be sitting on the ground while I'm brush hogging to eliminate my front end from popping up because of the weight going up little hills and stuff I've popped a couple of wheelies and that's not good feeling when it happens with not being able to lower it onto the ground to control this... |
Update to this question about getting my pump to lower after raising it all the way up( it really likes lifting up, but will still not go down other than after sitting off for 1/2 hr or so... I've started to do the set up from the pump setup page in shop manual but I have a sneaking suspicion that it's not going to help with this issue, but it's the easiest first option I have to try.it actually worked raising and lowering hydraulic cylinders before I replaced the rear fluid, now after I " thought I helped the situation by doing routine maintenance it only raises??? Any ideas welcome, thanks Matt
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Hunt4Allis
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Posted: 21 Jul 2019 at 10:12am |
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I know I did, the guy wanted 1500 for it and I told him with needing new rims that were spin out and new front tires and rims that I had to be at that price for me to buy it and he agreed (I couldn't get the cash out of my pocket fast enough 😆)
Which by the time that I got new spin-out rims and components for it a new front tires I was not taking advantage of him at all, but still a really good running CA it just needed some TLC from not being used for a couple years and I do believe him that the motor was rebuilt because this thing runs really strong other than it's spitting and sputtering which I think is just a matter of tune up...
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John (MO)
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Posted: 21 Jul 2019 at 9:17am |
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You know you stole that tractor. You better drop an extra sawbuck or two in the plate at church just to stay in good favor.
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Hunt4Allis
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Posted: 20 Jul 2019 at 1:28pm |
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Yes, I understand it wasn't the best senario to use it up like that but I started out in the field where it was not as tall of grass/ weeds to test it out and make sure it wasn't going to throw anything up at me and once I got started it was a blast using/ putting a 1953 to work ( like they were built to do!!!)
It's not completely fixed up yet, it's getting a wide front end/ radiator empty/ clean out, trip loader bucket and then I can really get some use out of it 🤑and save some cash that I always spend every year to have someone come clean out the leftover hay from behind the barn from the cows in the winter!
(It's been a long slow process but I'm making progress and am extremely happy with my little CA so far that I bought for four hundred bucks in the condition that it's in right now which was a steal now that I've used it end seeing how strong the motor is and that everything is in working order...
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nella(Pa)
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Posted: 20 Jul 2019 at 12:28pm |
Hunt4Allis wrote:
Yup, It was a 95 degree day but luckily a nice breeze and cloudy and before a bunch of thunderstorms came and got everything wet so it worked out perfectly...
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What you can do with a little ingenuity and common sense. I could have used my B and got that job done with that mower without the sky falling on us!
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Hunt4Allis
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Posted: 20 Jul 2019 at 10:46am |
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Yup, thanks dick
I was amazed how good this cut and how little the CA struggled cutting these goldenrod weeds (I was in a hurry to get them cut before they went to bloom and got full of bees and me stung all over trying to cut this field)
I had fun using the hand clutch and it worked flawlessly!
It was a 95 degree day but luckily a nice breeze and cloudy and before a bunch of thunderstorms came and got everything wet so it worked out perfectly...
Edited by Hunt4Allis - 20 Jul 2019 at 10:47am
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Dick L
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Posted: 20 Jul 2019 at 9:19am |
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Obviously not many have bush hogged that type of weed growth. I have ground up weeds that high with my C and Woods 59 under the belly. It is not like a bunch of grass that is not brittle like hollow weed stocks. Running high in the front cuts off the tops first with the front and cuts lower at the back which keeps it from bogging down some in the course weed stocks. It would be nice to be lower in the front but if it is not tossing stuff above the PTO I wouldn't worry about it. If it is tossing trash that high I would hang a piece of plywood to the fender rails to save my rear stop the seeds from reseeding the field. Then fix the hydraulics.
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jaybmiller
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Posted: 20 Jul 2019 at 6:35am |
yeesh, I'm tired just LOOKING at the pictures, poor old CA !! It'd be easier on her to only take 1/2 widths of cut.Yes, it MAY take longer, might not though. there's a 'sweet spot' of engine RPM, cutter speed and ground speed where everyone's happy, same as blowing snow, where you can actually get more done,in less time. Also wait 2-3 days to let the 'grass' dry up real good before cutting 2nd ( and 3rd ?) time. Have fun but be safe !!
Jay
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3 D-14s,A-C forklift, B-112
Kubota BX23S lil' TOOT( The Other Orange Tractor)
Never burn your bridges, unless you can walk on water
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Hunt4Allis
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Posted: 20 Jul 2019 at 3:23am |
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Yes orc used
And extreme caution
I must have a good one(CA) I bought a few years ago and slowly been fixing up(when I bought it I was told that the motor had just been overhauled in the last couple years)
I believe this to be true because it did not have hardly any problem cutting all this in 3 hours in first gear...
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Dennis J OPKs
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Posted: 19 Jul 2019 at 9:30pm |
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The original question has pushed this subject to the extremes. Those last photos are definitely expecting too much out of a CA. Granted you can get it through there with less than the best results and if that's what you've got, I guess you go for it. More than likely if you do too much of it you're going to tear sometime up. As mentioned, safety should come first and be aware of the potential risk. I mow stuff like that including Johnson grass 6 ft high and its makes a WD 45 snort big time cutting it down to 6 or 7 inches high. 2nd is really too fast wide open and 1st is too slow. Good luck with getting your hydraulics working.
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Dave(inMA)
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Posted: 19 Jul 2019 at 9:05pm |
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Ok. I'll say it and you can tell me to butt out if you want to. You're risking injury or worse with the way you're operating that bush hog. Running it at that angle because the tractor can't handle it level (the way it's supposed to be) is asking for trouble. Way too many guys get bitten by the things that they "know" aren't there or "won't happen". BTW, do you have an ORC on that bush hog - yet?
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WC, CA, D14, WD45
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Hunt4Allis
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Posted: 19 Jul 2019 at 6:02pm |
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I know it's supposed to be flat, I walked entire field many times in spring and fall when there's no weeds, and know there isn't anything that I can hit.
My hydraulics pump is stuck in up position, and lastly it would have stalled/ overworked motor if I mowed it in all the way down position ( now I need to adjust pump so hopefully I regain the ability to lower it down after it raises and I can mow it low)
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DougS
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Posted: 19 Jul 2019 at 5:56pm |
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A guard on the PTO shaft might be a good idea too.
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Dennis J OPKs
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Posted: 19 Jul 2019 at 5:16pm |
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Just guessing--Tim doesn't like the angle which the photo appears to show the brush hog operating at. The photo could be deceiving but it appears that if that blade catches and throws anything--the operator is in a possible path of said object. Was told brush hog should be flat to slightly elevated on the back. In that stuff the CA will probably not have the hp it takes run it flat. Just a guess?
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Hunt4Allis
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Posted: 19 Jul 2019 at 4:28pm |
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Why?
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TimNearFortWorth
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Posted: 19 Jul 2019 at 3:21pm |
Do you have health/life insurance?
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Hunt4Allis
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Posted: 19 Jul 2019 at 2:45pm |
Well here's an update whether a CA can run a big brush hog?    The answer is absolutely it can!!!mine did a lot better without having the top link connected so thank you to Dick l for pointing that out to me I'm so happy with my model CA how well it handled everything I still need to get the hydraulic pump to work so that it can be lowered once it's raised and I'll just go over the field again and recut it the opposite direction once I get that done but my 4-acre field definitely got a haircut today!!!(it's not perfect because the brush hog was in the up position the whole time which probably actually was a good thing because the field was so tall as you can see in the picture is a lot of the weeds and grasses were as tall as my exhaust) Much appreciated to everyone who gave me information so that I could get this filled cut, thanks Matt
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UncleRuckus717
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Posted: 16 Jul 2019 at 12:23pm |
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You might try taking the pump off and flushing it out with diesel or mineral spirits to clean it. The pump on my B kinda-sorta worked until I flushed 70 years worth of crap out of the pump. I had the same issue with the implement not lowering every time. What type of fluid are you using for the hydraulics?
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1949 Model B
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Hunt4Allis
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Posted: 15 Jul 2019 at 10:28pm |
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No ideas fellas?
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Hunt4Allis
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Posted: 15 Jul 2019 at 2:19am |
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I just replaced all the hydraulic fluid so I doubt it's dirt...
It seems to be an intermittent problem as it will work for the first few lifts and drops minute once it goes up it will not go back down with handle actuated for down position and even me standing on the brush hog?
Any thoughts fellas what could cause it?
(I was looking through the shop manual and it tells you how to set up the pump operations by tightening and loosening the screws and I'm wondering if I need to do that now that I have something hooked up to it?)
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Hunt4Allis
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Posted: 14 Jul 2019 at 11:24am |
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Also wondering if I can use a solid square stock for a top link?
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Hunt4Allis
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Posted: 12 Jul 2019 at 10:38pm |
Here's a picture of my CA with the brush hog connected finally today. I did run a couple tests on it and everything seem to be going okay other than at one point I raised the unit up and I could not lower it back down it's almost like the hydraulics got locked up and would not lower but I checked them before I even connected to it, what do you guys think that could cause this? I don't know if I can change the settings like in the shop manual how it goes step-by-step how to set one of these pumps and maybe mine is just not set right? It seemed to work a few times just like it should and intermittently it gets stuck in the up position and with the handle how it should go down I can stand on the brush hog in bounce and it still won't go down, after I parked it in the barn it took about 15 minutes for it to gradually settle down onto the floor. The main problem with this is I need it to be sitting on the ground while I'm brush hogging to eliminate my front end from popping up because of the weight going up little hills and stuff I've popped a couple of wheelies and that's not good feeling when it happens with not being able to lower it onto the ground to control this...
Edited by Hunt4Allis - 13 Jul 2019 at 7:10am
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