Weak Loader Curl Possible Solution For the Max28

[mike69440]

Reworking the cylinders; Re: Weak Loader Curl Possible Solution For the Max28

Sunday I ordered (4) #6 SAE to #4 JIC adapters from Surplus Center for the 1526L loader curl cylinders to adapt them to the Max28 hoses. I also got with a few other fitting and a 0-3000 psig pressure gage to replace the 5000 Psi gage. The 5000 psig gage I'll mount permanent on my L39 Kubota.

Today I machined the cross tubes to fit the ML205 loader. I will test fit the cylinders to verify that my stroke limiter dimensions are correct before I ask the shop to cut them. The Pin holes are 1" and the Pins are 25mm. I will probably line the cross tube bores with shim stock to take out the 1/64" extra play. The 40mm cylinders from the 1526L do not look much bigger than the 35mm OEM ML205 pieces, but the retract force increases 56%.

PS I looked over some tractors Saturday when I picked up my cylinders:
The Max26 curved loader uses smaller 20mm pins than my ML205 loader and the gussets are thinner by almost 50%. I do like the quick attach but not the other cost reductions. The ML205 itself is not really all that structurally stiff.

The eMax comes with a 25 L loader and a a 25 L S loader. The 25 L S loader is much better built with a 4 link bucket attach and heavier gussets. I actually like the 25L S loader better than the loaders on the Max24 or Max26.

People buying a new tractor might consider these aftermarket loaders, that are a cut above OEM
TA-54: Westendorf Front-End Tractor Loader

 

[mike69440]

New cylinders Fit-up Check Re: Weak Loader Curl Solution For the Max28 AML205 Loader

I fitted my new cylinders to check chat I need to do to limit stroke.

The New cylinders retract 6mm more and extend 22 mm more.

The extended length is the problem as the extra small amount of retract actually helps retain stuff in the bucket at low lift height. I suppose it is too much to except a self leveling bucket on an inexpensive little tractor.

I needed to rethink the internal stroke limiter. I am glad I took the cylinder apart before I asked the shop where I work to make up the stroke limiters. It will be at least a week to get them made. It is tough to get favors in a production shop.

In the pictures it is hard to tell the 50MM OD cylinders from the 45 MM OD Cylinders, even though the piston area is larger by 56%

 

[LD1]

Maybe I missed it? but I assume the new 1526 cylinders have the same 25mm rod size?

 

[oldpilgrim]

I am going to invoke my soothsaying powers and predict that an abundance of scratches and dents in your hood will be forthcoming.

As I say, so shall it be.

 

[drajj5]

OK I see that there is very little difference between the two cylinders (cylinder barrels) as far as size/diameter is concerned.

1. how much did you have to remove from the (rod eye) to get it to slip comfortably on the hangars mounted to the loader/bucket? I see you did it the proper way and milled it. I would have used a belt sander and or a flap disc on a grinder to get it to fit; I do not own a mill....

2. I am guessing that once you slipped the cylinder in place, you checked to see 'how much slop developed'- this is magnified as I assume both rod ends are a bit shy of being a perfect fit. I am a perplexed as to what you are going to use to shim the differences in diameter. (bit of copper pipe to encapsulate the bolt maybe)?

As far as the PIC's go, they speak volumes in regards to fit and finish! thanks for sharing them!

I am having a hard time grasping at what issue you are having with "internal stroke limiter"? From the pictures it looks like there are 'no areas during full cylinder cycle that are binding up'. The dimensions between the two "old and new cylinders" seem very close to identical; referencing a picture you posted with both sitting side by side to one another.

I am as excited as you are to see the results of the modification.

 

[dickfoster]

I thought skid steer type loaders were the norm now. No?

 

[drajj5]

I thought skid steer type loaders were the norm now. No?

They seem to be the norm now, but this model however- did not come factory with the type you describe.


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OldPilgrim

From the factory, if I curl my loader and raise it to full height it will bathe me with some its contents. He was cycling it to see its movement throughout its full motion. Does yours not do the same

 

[oldpilgrim]

They seem to be the norm now, but this model however- did not come factory with the type you describe.


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OldPilgrim

From the factory, if I curl my loader and raise it to full height it will bathe me with some its contents. He was cycling it to see its movement throughout its full motion. Does yours not do the same

I don't think it will tip that far back as the ssqa 'tool carrier' changes the dump/curl angle a bit.

 

[mike69440]

I see that there is very little difference between the two cylinders (cylinder barrels) as far as size/diameter is concerned.

You are correct as it is hard to see 5mm or .197" increase in diameter however:
Math says (40^2-25^2)/(35^2-25^2)=1.56 or 56%

1. how much did you have to remove from the (rod eye) to get it to slip comfortably on the hangars mounted to the loader/bucket? I see you did it the proper way and milled it. I would have used a belt sander and or a flap disc on a grinder to get it to fit; I do not own a mill....

I'd use a good hack saw, you need to take off 5.5-6mm per side. I actually had to go caveman as I did not quite mill enough off. The grommet on the loaded that fits the cross tube extends inward about 0.030" from the flange When I ground and belt sanded I used a carpenter square to keep it looking right.

2. I am guessing that once you slipped the cylinder in place, you checked to see 'how much slop developed'- this is magnified as I assume both rod ends are a bit shy of being a perfect fit. I am a perplexed as to what you are going to use to shim the differences in diameter. (bit of copper pipe to encapsulate the bolt maybe)?
)
Pins actually fits good enough, I would slip in some 0.006" thick stainless shim stock to take out the little bit of play (If I manage to fit it in there.)

As far as the PIC's go, they speak volumes in regards to fit and finish! thanks for sharing them!
Thanks, Doing same on my L39 is going to be tough, I'll use the Max to handle the 600 Lb Bucket.

I am having a hard time grasping at what issue you are having with "internal stroke limiter"? From the pictures it looks like there are 'no areas during full cylinder cycle that are binding up'. The dimensions between the two "old and new cylinders" seem very close to identical; referencing a picture you posted with both sitting side by side to one another.

Please see attachment, the spool is to reduce the extension of the rod travel approximately 22mm.

I am as excited as you are to see the results of the modification.[/QUOTE]

 

[mike69440]

I don't think it will tip that far back as the ssqa 'tool carrier' changes the dump/curl angle a bit.

As I am coming up on my 100 hour nit pick report, I'll make sure not having a ssqa is on the list.

It really does not matter as my grapple weighs +700 Lbs and I do not have hydraulics remotes front or rear on the Max.