Left lift arm grease fitting

[Chuck on lake]

This is only my second tractor so I am still learning. I notice that the left lift arm on my new 3720 has a grease fitting. I don't understand why. I thought that only the right lift arm was adjustable.









I must be missing some fundamental point. Can anyone clue me in?

Thanks,

Chuck on lake

 

[jester156]

my 2320 has it as well. not sure why but because it was there, I threw a few pumps of grease in it. or maybe it is just on the adjustable side, just checked the manual again.

 

[RoyJackson]

This is only my second tractor so I am still learning. I notice that the left lift arm on my new 3720 has a grease fitting. I don't understand why. I thought that only the right lift arm was adjustable.

View attachment 207029

I must be missing some fundamental point. Can anyone clue me in?

Thanks,

Chuck on lake

That lift link isn't adjustable (threaded), is it? Doesn't appear to be.That is kind of odd.

 

[nike]

These arms pivot, I would think that the grease fitting is there to help the movement.

 

[RoyJackson]

These arms pivot, I would think that the grease fitting is there to help the movement.

Yeah, but the fitting ("A" in the pic) is on the barrel, not where it pivots.

I'll venture those barrels (for the lift links) are manufactured so they can be used on either side during final assembly...nothing that would effect the end user (operator). The handles for the adjustable side are probably welded on downstream in the manufacturing process.
Strictly guessing though.

 

[SixHoeBob]

Look at the diameter of the lifting link. I would guess the bottom portion can be disconnected from the lift link. Then it can be turned out, to lengthen the link. The flaw is that the link is already plenty long. It might also be used on larger tractors requiring a longer link.

 

[beenthere]

jdparts shows a different link part number left vs. right.
But does indicate that the left link is adjustable (by disconnecting and turning in or out). To keep the threads free and not rusted together, there is a means to grease them through the zerk.

Give it a try, and see if it works that way.

 

[Chuck on lake]

Thanks everyone for the information. I had a good look at it yesterday and it appears that it might be able to be turned out to lengthen it perhaps for a different tractor. I have the iMatch and rear blade on currently and when all the snow melts and after I do my first road grading for the summer I will disassemble things and check it out. The bottom of the left arm looks like it would accept a pipe wrench rather than a regular wrench that is it doesn't have the shape of a nut but does have a couple of raised cogs on it.

 

[BigD9]

my 2320 has it as well. not sure why but because it was there, I threw a few pumps of grease in it. or maybe it is just on the adjustable side, just checked the manual again.

What year is your 2320? My 2320 doesn't have that the grease fitting.

 

[jester156]

forget anything I said. I was wrong. guess I just wanted to play with the big boys.:ashamed:

What year is your 2320? My 2320 doesn't have that the grease fitting.

 

[RoyJackson]

Yeah, but the fitting ("A" in the pic) is on the barrel, not where it pivots.

I'll venture those barrels (for the lift links) are manufactured so they can be used on either side during final assembly...nothing that would effect the end user (operator). The handles for the adjustable side are probably welded on downstream in the manufacturing process.
Strictly guessing though.

I recalled this thread while I was greasing my Deere 4400. My left link has a grease fitting too (which surprised me as it isn't the adjustable link).

 

[beenthere]

Roy
Are you positive it is not adjustable? My 4300 has an adjustable left link with the zerk on the lower buckle clevis (part 30) that can be turned on threaded part 28.

But then, there is a replacement link listed that does look like the picture posted by the OP, that shows both left lift links. Don't see threads on that replacement link 35B. The 35B replacement looks heavier duty than the 35A that I have.

 

[RoyJackson]

Roy
Are you positive it is not adjustable? My 4300 has an adjustable left link with the zerk on the lower buckle clevis (part 30) that can be turned on threaded part 28.

But then, there is a replacement link listed that does look like the picture posted by the OP, that shows both left lift links. Don't see threads on that replacement link 35B. The 35B replacement looks heavier duty than the 35A that I have.

You need to read that post again...I wrote the it wasn't the adjustable link (which is on the right side), not that it wasn't adjustable.
No handle on that left link...didn't pay enough attention (as I was actually out there to grease the tractor) to notice if there were any flats for a wrench. I'll look at that today, if I get a chance. The adjustable link (right side) is used for leveling an implement, as you know.
I probably should have been bit clearer when I wrote that post but it seemed pretty straightforward at the time.

I've no idea why that left link would be threaded. I'm guessing it may be used on different tractors (at different set lengths) or to adjust for the travel of the lower links (lengthening it would result in the lower link being closer to the ground, but not raise as high).
The Deere manual does show it as a location to grease, BTW.
Maybe having two links is typical on Ag and larger utility tractors (never noticed, but Deere manuals I looked at (as I write this post) do show grease fittings on both links). Both of my previous machines were "value" tractors and had a solid left lift link (no adjustability).