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Farmall Newbie - Hydraulic Lines Question

A

Anonymous-0

Well-known Member
Hi, I recently purchased a Farmall 100 tractor and I need to split it in half to repair the clutch. In order to do so, the hydraulic lines have to be removed. I know I need a service manual, but having that I'm still doing alot of research, I thought I'd ask you guys for help until I got a good one.

How do you remove the hydraulic lines the proper way to minimize possible damage?

Is there anything I will need to replace from normal wear over the years (even if the system works good), or from just removing the lines??

Once I get the tractor back together, and go to install the hydraulic pump and lines back on (is it even necessarry to remove pump?) what do I torque the bolts back down to??

Have I covered the bases for this procedure?? If I have missed something, or left something out that I was unaware of; please let me know.

Thank you all for your help!
 
Drain the hy unit then take off the line assy you dont need to remove the pump. Mite want to clean the screen while the sump is dry. When you are finished and filled with oil you will need to move the levers back and forth to remove the air which mite have got into the system. Get the kit that comes with a new pilot bushing in the crankshaft.
 
Are you talking about a kit for the clutch?? Thanks for the help on the hydraulics. Is there a particular method (steps) to take when bleeding air from the system other than moving levers back and forth?? Also, do the bolts on the hyd. lines need to be torqued? Lastly, should I replace any gaskets or O-Rings while I'm in there?? Thanks
 
I pulled the Touch Control block physically off the tractor. I replaced all the o-rings, but I think the most important thing I accomplished was after removing the "bottom" cover to the TC unit, I removed about 1/2 inch of mud & crud that had settled in the unit for 54 years.

Now that I have new o-rings working against a 54 year-old pump, TC will not lift unless the engine is at better than half throttle or higher. I guess I will try re-building the pump first.
 
Oh Gosh! Hearing that, now I'm afraid to take it off the tractor in fear of messing something up. The hydraulics seem to work fine though after I added fluid to them.

Guess there is no way of getting around taking them off since I have to work on the clutch!! (Fingers Crossed)
 
If the hydraulics are fine, then just remove the lines.

It's 3 bolts at the hydraulic block, and 2 at the pump.

I would remove the lines completely. Less chance of damaging them if things get out of hand.

Replace the orings at the pump, and the gasket at the hydraulic block.
 
If you have never broken a tractor, I would recommend getting some help. You will need to have a plan to support the tractor. The hydraulics are almost the very least of your worries. None of it is difficult. You will however need some sort of hoist and some strong help!
 
Do the bolts at both ends of the hydraulic lines need to be torqued to a specific rating once put back together??? I've actually got plenty of help and the tractor is split. Thanks everyone/
 
Use a guide for torque found on the Net---Bolt size thread pitch and grade will give usable torque specs. Most of us just know how tight by feel on this type of bolt, but it is reasonable for you to get a real answer. Jim
 
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