Couple of 1955 questions?

2)when replacing the rod nut's to the newer 12-point design do you change the bolts as well? Or do you just replace the nut's?

3)what is the small belt driven pump just below the a/c compressor on the front of the engine?

4)on the right side of the engine towards the front there is a hose that comes out of the engineand is kinked off and returns into the engine right next to where it comes out? what is it?

I ordered a service, parts, and operators manual for this thing and I am sure it will answer some of these ?'s but I thought I'd ask anyhow.

1. The chain coupler is not all that hard, put the three speed in underdrive and the transmission in neutral and I normally work from under the tractor to get the chain on and rotate it until the connection is on top where I can get the pins in. Make sure you use stainless cotter pins and one long cotter pin on the engine side. I normally point the head of the pin toward the direction of rotation. The more you do it the easier it gets :-)

2. On the rod bolts, they are all bolts. Change to the 12 point bolts and put them in, tork them down according to spec.

3. The pump on the side is a hydraulic circulator pump, it moves hydraulic fluid through the oil cooler and takes excess pressure off the steering motor. Watch for leaks around this pump, it is known for going bad around the pully and letting air into the hydraulic system.

4. I am guessing the hose on the engine is for a cab heater?? that is normally about the area where the hoses come out of the water pump and go back to a heater in the cab, it could be that your cab heater is not working and the hoses were circled back, or maybe a cab was taken off the tractor at some point. The hose should be a 3/4 heater hose if that is the case.

If you have more questions just ask.

One last question for now. I asked this the other day but all ready forgot. When I turn on my pto it comes on but when I turn it off it stays on. If I shut the engine off and restart it it is then off. If I have a load on it(like the baler) it will turn off when I shut it off, but I have to turn the engine off to unhook the pto shaft because there is a little pressure on it trying to turn it. What gives?

Also, I am going to remove the a/c compressor and belts since the a/c is inoperative and I am to cheap to fix it right now. Can I simply unbolt the compressor, remove the hoses and take of the belts? Or is there anything else I need to do?

Thanks for the help, I hope those manuals show soon so I can quit being so annoying!