SSQA pin adjustment

mdhughes

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L3901DT
Dec 10, 2014
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Ste Geneveive county, MO
The left pin (as looking at the tractor) doesn't retract all the way. So I looked in the LA525 WorkShop manual for the correct adjustments for the springs and adjusted both sides. I also cleaned the pins and the tubs that they are in. Greesed both of them and still the left pin doesn't retract all the way. I have taken all kinds of measurements to compare one side to the other and I can find anything that is different. You can see in the top picture that the pin is sticking out, but on the bottom picture (the other side), you can't see the pin. Has anyone else had this problem? I don't remember if it has always been this way or not.

14_10_49.jpg

14_11_05.jpg
 

Russell King

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L185F, Modern Ag Competitor 4’ shredder, Rhino tiller, rear dirt scoop
Jun 17, 2012
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Austin, Texas
One thing I noticed is the springs (over the threaded bars) appear different. The second picture looks more compressed (wire is closer to each other).

What happens if you tighten the nut in the second picture?
 

mdhughes

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L3901DT
Dec 10, 2014
1,445
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Ste Geneveive county, MO
One thing I noticed is the springs (over the threaded bars) appear different. The second picture looks more compressed (wire is closer to each other).

What happens if you tighten the nut in the second picture?
The springs are both set the the length that the WorkShop Manual specifies.
 

Russell King

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L185F, Modern Ag Competitor 4’ shredder, Rhino tiller, rear dirt scoop
Jun 17, 2012
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Austin, Texas
But what happens if you tighten the nut on the incorrect side? It should pull that tang back (as I see it)?
 
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chim

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L4240HSTC with FEL, Ford 1210
Jan 19, 2013
3,157
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Near Lancaster, PA, USA
If the pins allow removal of the implements when raised and drop down enough to be fully engaged when lowered, don't worry.
 
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D2Cat

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L305DT, B7100HST, TG1860, TG1860D, L4240
Mar 27, 2014
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I'd back that lock nut off a bit on the side that doesn't engage as far. That forces the rod to push the pin. the spring only helps to keep it all in place.
 

Dagman

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Equipment
Bx23s
Apr 16, 2026
3
2
3
Quebec
Exact same thing on our new Bx23s. It was actually resulting in difficulty when putting on and taking off attachments. Not being well versed in tractors I blamed myself. I have had a degree of success after tightening that lower nut that angles up at 45 degrees. The pin still sticks out more than the other side does but it seems to be good enough.

Curious to know what you finally did. There is one Youtube vid of a guy who does not mention adjusting the nut like I did, but shows a way to grind the arm contact point to help. Just don't want to start grinding a new tractor on day two. I normally wait at least three days before I start making stupid mistakes!

 

mdhughes

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Equipment
L3901DT
Dec 10, 2014
1,445
1,476
113
Ste Geneveive county, MO
Exact same thing on our new Bx23s. It was actually resulting in difficulty when putting on and taking off attachments. Not being well versed in tractors I blamed myself. I have had a degree of success after tightening that lower nut that angles up at 45 degrees. The pin still sticks out more than the other side does but it seems to be good enough.

Curious to know what you finally did. There is one Youtube vid of a guy who does not mention adjusting the nut like I did, but shows a way to grind the arm contact point to help. Just don't want to start grinding a new tractor on day two. I normally wait at least three days before I start making stupid mistakes!

I haven't done anything else to it yet. Now that it is getting warmer I will look into it again and if I find anything I will do a follow up post here.
 

Old Machinist

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Equipment
Kubota LX3310 cab, JD4410, JD F725, Swisher 60", etc.
May 27, 2024
635
746
93
NE FL
Never looked at my pin engagement since it seems to work but now that I am looking at these photos I realize I need to tighten the pivot nuts on mine. My handles will sag after running with no bucket and I have to pull them back up to attach anything.