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Model 33 loader cylinder repair

4

47M

Member
The left cylinder on my loader leaks internally and blows hydraulic fluid out the cylinder's vent every time I lift the loader. The right cylinder works fine with no leaks (yet).

I assume there are seals inside that need to be replaced, but I can't figure out how to get the cylinder apart to get to the internal parts. I've made a few attempts, but I don't want to bugger it up beyond repair.

Is this do-able at home, or is this a job best left to the pros at a hydraulics shop?

Thanks,

Mitch
4241099627_18c02deafd.jpg
 
You can do it your self if you know what your doing and where to get the seals or what we did was took it to our local tractor repair shop and they did it. Not overly expensive but not cheap either.
 
You may be able to get into it and you may be able to find seal, but do you have a hone in case the bore is scratched?
Best bet is to take it to a hydraulic repair shop.
 
They are not all that complicated.

Get us a picture of the head gland (where the ram comes out). Most likely threaded on, or a snap ring to hold the head gland on.

May take a big pipe wrench or a set of snap ring pliers depending on how it's put together.

Gary
 
Here's a picture of the head gland. Let me know if you need a different angle.

As you can maybe see, I've tried using pipe wrenches to unscrew things, with no movement so far. Does the vent (sticking out of the bottom) need to come out first?

Thanks,

Mitch
4243225048_76fbe51ca4.jpg
 
Looks like there are holes in that cap on the end.

Use a punch and unscrew the center.

Give us picture more from the end looking at the part the ram comes out of.

Gary
 
Is that white slot on top and to the right of the second oily groove a slot filled with snow? If so, there will be the end of a wire snap ring in there. Grip it with needle nose pliers and pull it out. May need to rotate the cylinder head as you pull the wire. It will be stiff and may be tight as well. If not, then ignore this post.
 
Here are two more pictures. That was a snow covered slot, I think there might be a snap ring in there. But it's too cold to work on today. I'll look at this some more when it warms up a little.

Thanks for the help with this,

Mitch
4245564940_c383d8000b.jpg

4245565438_758fd311b7.jpg
 
Looks like the type where you pry up the wire in that slot and then rotate in the direction of the open end of the wire.
That's not a Cessna Cylinder, but Cessna called them Wyr-Loc.
 
Now I can see how it comes apart.

Get a screw driver under that wire in one of the slots where the wire ends and pry the end out of the slot.

Then turn the end with a pipe wrench and the wire will roll out of the slot and allow the end to screw off.

That wire is like a lock to keep the end from unscrewing.

You have to get that wire out of there.

Gary
 
Thanks IAGary, and the rest of you who responded. I'll give it another try when it's a little warmer than it is now.

IAGary, does the IA stand for Iowa? If so, where are you located? I'm in SW Iowa, near Glenwood.

Thanks again,

Mitch
 
If you are close to a Ditch Witch dealer take the cylinder to them. They use the same type of locking (square) rods in their cylinder. You have to turn it until you see the end, put a small screwdriver under it, turn the head and it will turn out and the head will come off. They may even have some repair kits that will fit the piston and head.
 
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