Springs for a trip bottom plow
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Category: Allis Chalmers
Forum Name: Farm Equipment
Forum Description: everything about Allis-Chalmers farm equipment
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=41753
Printed Date: 04 Jul 2025 at 9:46am
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Topic: Springs for a trip bottom plow
Posted By: Don(MI)
Subject: Springs for a trip bottom plow
Date Posted: 07 Dec 2011 at 4:52am
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Got a question, has anyone ever replaced the springs on a trip bottom plow, with a heavier than stock, spring?
The reason I ask, is that the 4 bottom SC I am looking at; the owner said it trips occasionally. I talked with my grandpa, and he used to own one years ago. His comment is that it would trip, when there was nothing to trip it! Said one bottom gave him problems about every 30 feet. He asked the local allis dealer what to do about it because the plow was only 2 years old. There response was to change the springs.
So I am wondering now, that when I replace the springs, I should go with a heavier than normal spring? Anyone done this?
Thanks! ------------- Galatians 5:22-24 "I got a pig at home in a pen and corn to feed him on, All I need is a pretty little girl to feed him when I'm gone!" |
Replies:
Posted By: Lonn
Date Posted: 07 Dec 2011 at 4:55am
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On a 2000 monoframe if you put a washer under the spring acording to the book it adds about 500# more force to trip the bottom. Maybe this works on the older plows.
------------- -- --- .... .- -- -- .- -.. / .-- .- ... / .- / -- ..- .-. -.. . .-. .. -. --. / -.-. .... .. .-.. -.. / .-. .- .--. .. ... - Wink I am a Russian Bot |
Posted By: Butch(OH)
Date Posted: 07 Dec 2011 at 6:54am
| Been just a bit since I have looked at a series 80 but isn't there an adjustment for the spring? Stop gap fix is factory installed for you. Look down the side of the beam abovethe pivot bolt there is a small hole I think 3/8, where you can install a temporary shear bolt. |
Posted By: Don(MI)
Date Posted: 07 Dec 2011 at 7:11am
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Good idea Lonn, thanks.
Butch, I don't have the plow yet. But I do remember seeing the smaller 3/8" hole you were talking about. I thought it could be where a shear bolt would be put in place, but didn't understand why. Looking forward to bringing it home, to work on it. ------------- Galatians 5:22-24 "I got a pig at home in a pen and corn to feed him on, All I need is a pretty little girl to feed him when I'm gone!" |
Posted By: Brian F(IL)
Date Posted: 07 Dec 2011 at 12:57pm
| Don, is it a fully mounted SC plow or semi-mounted (with the tail wheel)? If it's semi-mounted, I'd love to see some pictures. |
Posted By: Don(MI)
Date Posted: 07 Dec 2011 at 1:30pm
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I think its semi mounted.
It has a non-hyraulic tailwheel, that is a depth stop. ------------- Galatians 5:22-24 "I got a pig at home in a pen and corn to feed him on, All I need is a pretty little girl to feed him when I'm gone!" |
Posted By: Don(MI)
Date Posted: 07 Dec 2011 at 1:33pm
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If someone could show me the differance with pictures, between fully mounted and semi mounted SC plows, I would appreciate it. ------------- Galatians 5:22-24 "I got a pig at home in a pen and corn to feed him on, All I need is a pretty little girl to feed him when I'm gone!" |
Posted By: Brian F(IL)
Date Posted: 07 Dec 2011 at 2:54pm
Don, there isn't much difference other than the beaming screw used. This plow has the beaming screw that is intended to have a stop on the tail end. The lift arms lift the front of the plow and the hydraulic cylinder (missing in picture) raises the rear of the plow. BTW, this is a #73 plow purchased new from Muller Implement Co. sometime in the mid-50's.
 This second and third pictures show a little more detail on the beaming screw.
  This last picture is the same plow but with a different beaming screw (and newer, donor bottoms). I essentially turned the semi-mounted plow into a mounted plow. The tailwheel is just along for the ride now.
 I'd like to find somehow to "unfreeze" the threads, etc. on the original beaming screw and turn it back into a semi-mounted plow. If anyone has a beaming screw of this type, I'd be interested.
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Posted By: Don(MI)
Date Posted: 07 Dec 2011 at 3:00pm
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I guess its semi mounted then. ------------- Galatians 5:22-24 "I got a pig at home in a pen and corn to feed him on, All I need is a pretty little girl to feed him when I'm gone!" |
Posted By: Don(MI)
Date Posted: 07 Dec 2011 at 4:54pm
Brian, the one I am looking at, looks alot like this one...
 The one I am looking at, are 16" trip bottoms, and has a gauge wheel that is a depth stop only, non-hydraulic, no cylinder. Now whether thats fully mounted or not, I guess I still don't know! lol
------------- Galatians 5:22-24 "I got a pig at home in a pen and corn to feed him on, All I need is a pretty little girl to feed him when I'm gone!" |
Posted By: Rfdeere
Date Posted: 07 Dec 2011 at 5:10pm
Don, if the gauge wheel is on the left side, beside the rear bottom, it would be a fully mounted plow. Here is a picture of a #74 :
 ------------- Randy Freshour,Member Indiana AC Partners, http://www.rumelyallis.com" rel="nofollow - http://www.rumelyallis.com |
Posted By: CTuckerNWIL
Date Posted: 07 Dec 2011 at 6:27pm
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If there is a wheel on the back that is raised and lowered with a hydraulic cylinder, it's semi mounted. If it has a fixed gauge wheel or no gauge wheel it is fully mounted.
------------- http://www.ae-ta.com" rel="nofollow - http://www.ae-ta.com Lena 1935 WC12xxx, Willie 1951 CA6xx Dad bought new, 1954WD45 PS, 1960 D17 NF |
Posted By: Gerald J.
Date Posted: 07 Dec 2011 at 6:55pm
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Trip bottoms makes it an 80 unless the trips were added as options to the 70 or 60 frames. The 70 and 80 frames are adjustable width, the 60 frames are fixed width. That one pictured is a 60. The basic frames could be set up for three point, snap coupler, semi mounted, or full mounted by the trailing wheel and hitch section options. And the side mounted depth gauge wheel was another option. Plus all the options for choice of bottom. It must have taken more than one number on a slip of paper, more like half a page of options to place an order for one plow. Gerald J. |
Posted By: Don(MI)
Date Posted: 07 Dec 2011 at 7:02pm
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10-4, got her now. Its definetly a fully mounted plow then.
Will hopefully have pics up this weekend, be on the lookout. ------------- Galatians 5:22-24 "I got a pig at home in a pen and corn to feed him on, All I need is a pretty little girl to feed him when I'm gone!" |
Posted By: Cary(KY)
Date Posted: 08 Dec 2011 at 8:32am
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Does anyone know of a good source for springs? My nieghbor broke one on a Ford plow and it was unbelivable how much a spring cost. I also need to replace the springs on my bush hog. Cary
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Posted By: Gerald J.
Date Posted: 08 Dec 2011 at 9:12am
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Many hardware and farm stores carry a line of springs. Sometimes not big enough for farm machinery. You have to select by wire size and coil diameter and buy something too long and shorten it to fit which is easy for a compression spring, difficult for an extension spring. McMaster-Carr www.mcmaster.com has a much larger selection. Gerald J. |
Posted By: Rawleigh
Date Posted: 08 Dec 2011 at 4:20pm
| I got springs from Mcmaster Carr to repair my old Burch disc.. They are called Die Springs. you can stack them to get the right height. You can also use Belleville Washers as springs by stacking them in pairs with the cups facing each other. |
Posted By: Cary(KY)
Date Posted: 08 Dec 2011 at 5:53pm
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Thanks, I thought MC might be the place to go. I never thought of stacking for hieght. Cary
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Posted By: Don(MI)
Date Posted: 15 Dec 2011 at 7:26pm
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Here is a picture of her tonight, Think I have it bought. And something else orange (Not sayin til its home). I guess this is a #84 with trips, 5 extra points.
------------- Galatians 5:22-24 "I got a pig at home in a pen and corn to feed him on, All I need is a pretty little girl to feed him when I'm gone!" |
Posted By: Auntwayne
Date Posted: 15 Dec 2011 at 7:37pm
| Is it another Lab ??? |
Posted By: Don(MI)
Date Posted: 15 Dec 2011 at 8:20pm
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nope, its orange paint!! And a good one too! ------------- Galatians 5:22-24 "I got a pig at home in a pen and corn to feed him on, All I need is a pretty little girl to feed him when I'm gone!" |