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By reading all of these responses and poring over my service manual, I surmise that the lift cover boot is the rubber boot that surrounds the shaft of the fork thingy that the top link hooks onto. I also deduce that this link is movable so as to send a signal to the draft control to raise or lower the arms as the dirt becomes harder to pull through. It's not as if I ever do any ploughing, but my 2135 also has draft control and the boot is also completely disintegrated (as with Bill, the oil in my rear end gets wet after every rain and I suspect this boot). I bought a new boot, but, that, from the looks of things, is the easy part. With my (VERY) limited knowlege and experience, I'm very reluctant to pull off the entire lift cover (my service manual mentions THREE "special tools"). On top of that reluctance, or perhaps because of it, it looks as if it should be possible to replace the boot without removing the lift cover. Whaddaya think if I: 1) Remove the two special bolts securing the rocker link (that's the link attached to the fork thingy that the top link hooks onto) 2) Loosen the set screw holding the adjusting nut (the set screw is on the right side of the lift cover just forward of the hole that the shaft of the fork thingy goes into(and the adjusting nut is around that shaft)) 3) Loosen the adjusting nut (using the silly "special tool FT358" (I haven't figured out if I have to buy one of these things, if I can make one, or if the massey dealer will loan me one)) and remove nut and spring assembly (it also appears to be referred to as the "master control spring assembly"). 4) If there's anything left of the boot, pry it forward to reveal a pin which must be removed. 5) Remove the rubber plug in the middle of the fork thingy (pocket knife?) (I guess the fork thingy is called a "clevis"). 6) With a large screwdriver, turn plunger out of the threaded housing (under where the plug was). This should detach the clevis from the plunger and make it possible to replace the boot! Now on to reassembly :( Quoting from the service manual: NOTE: The master control spring assembly should be checked for correct adjustment before it is installed into the lift cover. A quick check can be made by turning the spring. The spring must be very snug, but still rotate by hand..... ..... .
Screw plunger into clevis and rocker assembly until control spring end-play has just been eliminated. Increase pre-load to the next slot in plunger where pin can be installed. With the master control spring adjusted in this manner, the final adjustment (when the assembly is installed into the lift cover) can easily be obtained. To make the final adjustment to the master control spring, proceed as follows: 5a) Reinsert the master control spring assembly into the lift cover 4a) Using special tool FT358, tighten adjusting nut to obtain no end play by turning nut in or out. NOTE: End-play may be caused by having the retainer nut (adjusting nut?) too tight as well as too loose. The draft control lever must be fully down when making this adjustment. 3a) tighten the set-screw on the side of the lift cover to 40-65 in-lbs. torque. (I plan on tightening the *#%^ out of it) 2a) Reinsert the plug. 1a) Replace the rocker link assembly with the special bolts. About the only other thing I might think of is to prop up the lift arms before I start the process. D'ya think this will work? I estimate it to take about three hours and thirty cuss words (a unit of measure I never saw in any of my college science courses).
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