CA doesn't move when in gear and clutch releasedo
Printed From: Unofficial Allis
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=129630
Printed Date: 08 Jun 2025 at 3:55am
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Topic: CA doesn't move when in gear and clutch releasedo
Posted By: Danlarsonirish88
Subject: CA doesn't move when in gear and clutch releasedo
Date Posted: 05 Oct 2016 at 11:03pm
Hi everyone. I have a 52' CA and replaced the brake drums and pads on both sides. Put it all back together and now when I put it in gear it doesn't move forwards or backwards? Press the clutch in and it does into gear fine but when you let it out you can still hear the gears moving underneath you and PTO will engage fine. What could be the problem here? I looked at the hand clutch once more and it seems fine also.
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Replies:
Posted By: CTuckerNWIL
Date Posted: 05 Oct 2016 at 11:06pm
Hand clutch shelled out.
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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
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Posted By: SteveC(NS)
Date Posted: 06 Oct 2016 at 6:12am
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Charlie, what the HE** does "shelled out" mean?
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Posted By: Rick
Date Posted: 06 Oct 2016 at 6:22am
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Steve...Charlie's talking about the splines in the hand clutch disc being "shelled" out or no more splines! LOL! Rick
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Posted By: CTuckerNWIL
Date Posted: 06 Oct 2016 at 6:53am
Or it's lost the fiction to move the tractor. If you replaced the brake drum on the right side, you had to have had the hand clutch apart. Something didn't go back together the way it came apart maybe?
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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
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Posted By: Danlarsonirish88
Date Posted: 06 Oct 2016 at 7:46am
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I can jack up that right tire let off the clutch and it will turn it but I can stop the tire with my hand. I'll take it all apart again tonight and show you some pictures of the clutch discs. Thanks again everybody.
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Posted By: GregLawlerMinn
Date Posted: 06 Oct 2016 at 8:17am
Did you replace the Half Moon woodruff key between the Clutch pack and outer pinion shaft? They can slip out when trying to re-install the clutch pack.
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What this country needs is more unemployed politicians-and lawyers.
Currently have: 1 D14 and a D15S2.
With new owners: 2Bs,9CAs,1WD,2 D12s,5D14s,3D15S2s, 2D17SIVs,D17D,1D19D;1 Unstyled WC
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Posted By: Rick
Date Posted: 06 Oct 2016 at 8:18am
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Could also be that the material is too thin on the hand clutch disc. I have seen them come in to me with splines so thin, you could shave with them! Now that's worn out! LOL! Rick
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Posted By: Danlarsonirish88
Date Posted: 06 Oct 2016 at 8:31am
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Would anyone have a picture of what the worn or shelled out clutch discs look like compared to a good one?
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Posted By: GregLawlerMinn
Date Posted: 06 Oct 2016 at 9:21am
Based on the description, the clutch was working before the brakes were fixed; that's why I would suspect the Woodruff key falling out of place as the 1st culprit. It is also possible that the clutch actuator needs to be adjusted; perhaps it got tightened up to the point that the plates cannot come together; check out the clearance between the T/O bearing on the actuator and the clutch; it should be 0.020-0.040"...use the cog wheel to adjust the clearance. This is an easy check and can be done prior to pulling the axle.
You can go to the Knowledge section and view a procedure on rebuilding the CA axle clutch, it contains many pics of the process.
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What this country needs is more unemployed politicians-and lawyers.
Currently have: 1 D14 and a D15S2.
With new owners: 2Bs,9CAs,1WD,2 D12s,5D14s,3D15S2s, 2D17SIVs,D17D,1D19D;1 Unstyled WC
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