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made the slugs today and installed. 8mm diam, 10mm long, tapered at one end. much more difficult to put together than with the ball bearings. the flat surface of the slug at the edge of the connector catches when mating the connector and shaft. if I were to do it again I would taper both ends of the slug to help avoid that problem. unfortunately wont know until april if the whole thing works!
thanks rich, got the 8mm bolts at home depot today grade 8.8 and started making the slugs. initially made cylinder shaped pieces but when tried them in the parts I took off my tractor they do not sit deep enough in the connector. so made them to look something like a pistol bullet with a blunt taper on one end and flat surface on the other. tapered end fitting inside the connector. 10 mm long brings the flat surface to the face of the connector. I am not sure about this length yet as I do not have any extra star washers and c clips to test fit everything. it is a work in progress
gonna try to make some 8 mm rod pieces to replace ball bearings in 4 wheel drive connectors. any suggestions on what metal type to use. I do have a small forge that I use to harden knife blades ground from 440 stainless or o1 tool steel. Mcmaster Carr has M2 steel which has the same hardness as the 8 mm ball bearings they sell around Rockwell 62
thanks
just replaced shaft, couplers (front and rear), clips/star washers, dust covers, all ball bearings and weldment (shaft cover). a real pain in the you know what. all because I ran up on a rock this summer mowing. gotta be a better way to do this. other than hey dummy don't run up on rocks anyone got an upgrade?
that sounds great, just did a quick look on mc master carr and they have an abundance of 8mm rod stock to play with. looks like a good winter project
that's kind of what I thought the ball bearings are a connector and slip joint. just wondered as I thought the orange and green tractors used universal joints. just came back from north Dakota and was with people who do a lot of tractor work and they never heard of the ball bearing system
just a thought but has anyone looked at a mod using universal joints to connect the gear box to transfer case?
got all the parts plus extras including the new shaft from tommy, hopefully it goes together this weekend
thanks
Some follow up on this mod. Used the tractor for about 20 hours mowing this summer and only needed to clean the filter every few hours. Usually when I was taking a break or adding fuel. A great improvement over the factory set up. Moving the air filter also worked well and made cleaning the filter easier.
I used the same material last summer in a semi permanent fashion. Used tie wraps to secure it to the front of the radiator. I was able to brush off seeds with my hands and blow out stuff at the end of the day. It kept seeds from getting in the radiator fins. The material is designed to not restrict air flow, hence its use in home heating systems. My plan this summer is to pull out the screen and whack it on the tire as needed. The angle iron at the bottom is not needed and was removed, moving the air intake filter makes access much easier.
