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154 3pt lifting capability

IH CUB Lo-Boy Series - 154, 184, 185 Forum -- Questions and answers to all of your Lo-Boy related issues.
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Smiley
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Posts: 87
Joined: Thu Dec 04, 2008 7:47 pm
Zip Code: 13357
Tractors Owned: 154 Lo boy
Allis Chalmers B
IH 350 utility
Case 580 backhoe
Massey Ferg 399 4wd
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Have had several other antique tractors including a Fordson with Trackson conversion.
Location: Upstate NY

154 3pt lifting capability

Postby Smiley » Sat Apr 30, 2011 8:18 pm

While moving small pallets of wood I found my 154 3 pt will only lift a couple hundred pounds and it starts squealing, which I assume is the bypass valve opening. It seems as though it should be capable of a lot more than that. I can't see any way to adjust the pressure and am wondering if it may be a broken or weak spring?? Any experience or comments on this problem will be appreciated.
Thanks,
Smiley
smiley - upstate NY --- Git r done
Learned fixin and tinkerin from my Father and scavenging from my buddies grandfather, who could go to the dump with a half load and come back with a full one

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BigBill
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Re: 154 3pt lifting capability

Postby BigBill » Tue May 03, 2011 3:22 pm

Isn't there an adjustable relief valve on the control valve? You may take a peek in the manual there maybe a bypass valve with a relief valve or a pressure control valve i'm not sure. How is your hydraulic oil level? With the 3pt hitch there is a selector valve too. If the selector valve needs new o rings it can also blow off pressure too. I have one that leaks down.
I'm technically misunderstood at times i guess its been this way my whole life so why should it change now.

Smiley
10+ Years
10+ Years
Posts: 87
Joined: Thu Dec 04, 2008 7:47 pm
Zip Code: 13357
Tractors Owned: 154 Lo boy
Allis Chalmers B
IH 350 utility
Case 580 backhoe
Massey Ferg 399 4wd
Farmall A
Have had several other antique tractors including a Fordson with Trackson conversion.
Location: Upstate NY

Re: 154 3pt lifting capability

Postby Smiley » Tue May 03, 2011 6:45 pm

There is no obvious way to adjust anything on the control valve. That's why I figured it might have a weak spring behind one of the fittings. As I'm new to Cubs (had an A and 350 Utility) I wasn't familiar with the selector valve and will check it out.
Thanks,
Smiley
smiley - upstate NY --- Git r done
Learned fixin and tinkerin from my Father and scavenging from my buddies grandfather, who could go to the dump with a half load and come back with a full one

Landreo
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Tractors Owned: fcub(5)
tricycle cub
154 (4)
Earthmaster (2)
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JD H
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Location: SC, Ridgeway

Re: 154 3pt lifting capability

Postby Landreo » Wed May 04, 2011 10:56 am

The early 154 had a lift lever that locked into a slot on the side of the tractor for the float position, the valve associated with that lever is not adjustable. The later 154 and 185 had a valve with a built in detent for float and that type of valve was adjustable. You may just want to check the pressure when the relief valve opens.
Last edited by Landreo on Wed May 04, 2011 11:02 am, edited 1 time in total.

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b52c130
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Re: 154 3pt lifting capability

Postby b52c130 » Wed May 04, 2011 10:56 am

Smiley,
To answer your question about the lifting capacity of the 3 point hitch, the 184 Operators manual (154 should be rated the same) states that the lifting capacity is 525 pounds at 24" behind the hitch point. See attached specification page;

I believe that the system relief valve is located within the the control lever valve and is factory preset and thus is non-adjustable.

I would make sure that the hydraulic oil is clean and hy-train compatible and that the filter is clean. The best way is just to drain the system, replace the hydraulic filter and refill to the plug level that is located on the rear of the differential cover plate with new Hy-train compatible oil. (NAPA carries compatible hydraulic oil). You may have to cycle both cylinders through 5 or 10 times to get all the air out.

Hope that this helps you, NJDale
Attachments
Page-58 Small.jpg
184 Operators Manual page 58
Page-58 Small.jpg (38.72 KiB) Viewed 1002 times

Landreo
10+ Years
10+ Years
Posts: 1172
Joined: Tue Oct 19, 2004 7:10 am
Zip Code: 29130
Tractors Owned: fcub(5)
tricycle cub
154 (4)
Earthmaster (2)
JD 40T, JD 420 crawler-loader, JD MT
JD Unstyled A, Styled A, Unstyled AR
JD H
Centaur Tractor
AC Model C, G
Cub Cadets (9)
Gibson D
Red-E
Circle of Safety: Y
Location: SC, Ridgeway

Re: 154 3pt lifting capability

Postby Landreo » Wed May 04, 2011 10:56 am

Edit:
posted twice!
Last edited by Landreo on Wed May 04, 2011 11:01 am, edited 1 time in total.


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