What lifts the 3pt?

   / What lifts the 3pt? #1  

Desert Bred

Silver Member
Joined
Sep 18, 2013
Messages
226
Location
Goodyear AZ
Tractor
1998 CKC TS 254 (Fei Dong 295T1)
Quick breakdown
STARTING RIGHT SIDE:
oil inflow

lift cyclinder.jpg

BACK SIDE PUMP
20.jpg

LEFT SIDE STRAINER CONTAINER
21.jpg

ABOVE empty SUMP
22.jpg

There are no Hydraulic lines going to the rams of the 3pt hitch..

SO HOW DOES IT MOVE?

p.s. dont know why the thumbnails there and how to delete it
 

Attachments

  • oil-inflow.jpg
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   / What lifts the 3pt? #2  
The only lift I've seen the inside of had a large chain inside that rotated the lift arms. I know this is likely no help for your setup, I wanted to subscribe and learn. Best of luck with it!
 
   / What lifts the 3pt? #4  
What rams.

You did not show any rams in your pic.

Most 3pt cylinders are inside the rear end housing, and the there is usually a feed going into the case for the 3pt and the fluid out of the 3pt cyl just drops into the tank.
 
   / What lifts the 3pt? #5  
You are not showing the rockshaft where the piston is. In picture 4 I see the piston rod and when you put the rockshaft back on it well you have to put it in the piston. Are you asking what turns the pump?
 
   / What lifts the 3pt?
  • Thread Starter
#6  
J-J: i didnt show the rams because they look to be just a winch type of cylinder without any hydraulics attached.
Leejohn: here is a pic of the sump cover removed.
19.jpg

the question is really.. what moves the arms coming from the sump that lift the 3pt? it isn't hydraulic rams.. what moves that piston in and out?
 
   / What lifts the 3pt?
  • Thread Starter
#7  
Ok. Let a newbie answer. So, the rockshaft had two mounting points to mount #2 in the above pic, since they broke off I bored them out. I also wanted to make sure, now looking inside the rockshaft there is a small hole. that leads up a chamber to a piston that i removed (pic)
30.jpg

through a top screw i drilled a hole to throw a pressure washer stream through - to make sure nothing was gunked.

i shot the water through the top hole and the water came out where the piston was removed (on both sides).

i plugged the piston holes, and out shot a rocket. that looked like this coming out.
IMG_1929.JPG

this is the hydraulic system that pushes the main piston rod that is attached to the arms that lower and raise the 3 pt.

should i be concerned that there is a broken seal here?
31.jpg
 
   / What lifts the 3pt? #8  
cracked oring?

oring looks fine. the ring backup washer looks like a split ring style washer.. some use solid.. some don't.
 
   / What lifts the 3pt?
  • Thread Starter
#9  
spacer/washer :thumbsup:
 
   / What lifts the 3pt? #10  
keeps the oring from being pushed up against the land edge of the metal in the ring groove and being cut.
 

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