They are installed by rotating and the hole facing up, or down depending on how you look at it LOL! The retainer springs are not the easiest to install but having all the hardware in place, they were designed is important to have them work correctly.
The previous owner of my low hour 4630 had one of the lift arm ends with a rube goldberg arrangement that did not work so well. One of those things you might do if it was late on a sunday or holiday, to get through the job. Retainer spring bent up a little, missing or failed flat spring on the bottom, causing the the extension part of the arrangement to ride on the mild steel strap that is bent like a fork on the bottom, wearing it excessively. I was able to replace the flat spring, fastening it with a small bolt which looks impossible to get to one side to hold it with a wrench, it's not and you can tighten it correctly. New retainer spring, which is not easy to install, there must be a trick or tool for this, and is probably why they don't get replaced. There is another pin that goes a across, I used a small multi hole pin on that with a hair type pin to retain that. Once said and done, they worked correctly, the lever had spring to it. Well worth doing and if you leave the ball(s) in, they won't fall out. You can get both Cat 1 & Cat 2 ball(s) at TSC. I have cat 1 and cat 2 implements and its easy to set up for each. Only thing left to do is build up that worn strap and grind flat. I have not done that because even with a good ground, I will not take a chance on arcing the bearings on this nice tractor, only up to 1280 or so hours now. One warning, if backing into heavy, thick brush and vines with a rotary cutter, that multi hole cross pin will lose the hair pin, seems to catch on things.
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Today's Featured Article - Converting from 6 Volt to 12 Volt - by Chris Pratt. It's a common problem for old machines especially when the weather starts to dip below 40 and the tractor isn't fired up as often. You are probably used to the 12 volt Diehard, charged with 200 amp alternator of your 3/4 ton that always is ready and always starts. It's this type of experience that brings about the many queries we get for 12-volt conversion kits. Since only a few kits are available (we sell kits for the
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