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53 Super H Hydraulics

A

Anonymous-0

Well-known Member
I have a 53 SH and I have question concerning the Hyds. hook ups on the tractor. The tractor has a belly pump. On the left side of the tractor it has two ports and on the right side it has one port. I'm wanting to hook up a cylinder lift plow to the tractor and unsure of how the hook ups should attached. Any help on this would be appreciated. Have never used the Hyd. on the tractor. It has only been used in parades and show.
 
It has one-way, power-up/gravity-down hydraulics.

All three ports provide pressure at the same time when you pull the lever.

Hook the "UP" side of the cylinder to any of the three ports.
 
With respect, the left rear port is a delay lift port. it is controlled internally and will lift (pressurize0 only if the other two ports are dead headed, or limited out. The v alving in linkage based and inside the Liftall.
The Right port, and front left are as you describe. Jim
 
Jim,

All due respect back at ya, but that just simply is not true. Just another one of those old wives tales.

The "rear facing" port has an internal, mechanically activated "delayed drop" feature, but provides equal and simultaneous lift pressure; same as the forward facing ports.

All three ports are connected to the same darned puddle of oil. :>)

The delayed lift is accomplished only by the use of an external valve(read: smaller oil passage orifice) OR some other type of restriction (smaller hose?) in the pressure line to the cylinder.

These delayed lift valves originally came with the tractor when delivered new.

I’ve got the hydraulic schematic right here in front of me and can sure send it to ya if ya like.

If you've already got the schematic, I'd submit that you're following oil-flow backwards.

Allan
 
Jim,

All due respect back at ya, but that just simply is not true. Just another one of those old wives tales.

The "rear facing" port has an internal, mechanically activated "delayed drop" feature, but provides equal and simultaneous lift pressure; same as the forward facing ports.

All three ports are connected to the same darned puddle of oil. :>)

The delayed lift is accomplished only by the use of an external valve(read: smaller oil passage orifice) OR some other type of restriction (smaller hose?) in the pressure line to the cylinder.

These delayed lift valves originally came with the tractor when delivered new.

I’ve got the hydraulic schematic right here in front of me and can sure send it to ya if ya like.

If you've already got the schematic, I'd submit that you're following oil-flow backwards.

Allan
 
Expanding on the good advice offered by mkirsch and JimN here's a couple more thoughts:

1 - If you use the Liftall as is (power lift/gravity drop) you must remove the hose from the rod end of the cylinder, drain the oil from the rod end port then install breather/air filter into the port. Then after connecting the hydraulic hose to the Liftall port be sure the reservoir is filled to capacity when the cylinder is fully retracted. Otherwise the pump may "run out of oil" before the cylinder extends all the way.

2 - If you want 2-way (power in both directions) for your cylinder you can install a 4-way remote valve ("christmas tree" valve) and supply it from the right side belly pump port. Latch the Liftall lever all the way back; the 4-way valve will now provide hydraulic power in both directions to the cylinder.
 
Alan, Is there a way that you could scan and e-mail to me? If that is possible that would greatly be appreciated. If you don't have my e-mail, let me know and I can send! Thanks Dan
 
You are correct. I was hurried and not thinking through that which I knew. I still stand on the idea that if a twin cylinder loader would be incorrectly attached if it were put on the back elbow, left side. A delayed lower would be hard on the evenness of support for lowering.
One obfuscating element (not an excuse for my incorrect statement0 was that our SH rear elbow always had the restrictor in it, and still does. Thanks Jim
 
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