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Bobcat Skidsteer Forums
General Bobcat Skidsteer Forum
743 axle seals and bearings
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<blockquote data-quote="Fefanatic" data-source="post: 93096" data-attributes="member: 12973"><p>I recently went through this with my 743. I replaced all bearings, seals, races, wear sleeves, and chains . I did not pull the motor or any hydraulic pumps. I did remove the rear motor mount and bracket to gain more room to reach the rear gears and axles. Tazza is correct in wedging a wrench on the axle nut and using the engine to loosen them. I made a tool to bolt to the hub to torque the axle nuts. I also made a threaded rod to pull the inner bearing races into the axle tubes. The job is not easy but it can be done without pulling any motor or the hydraulic assemblies. I bought the seals and wear sleeves from Bobcat. They didn't have the bearings and races in stock so I bought the bearings from the local Carquest store. The races that come with the bearings in the box are incorrect so you need to give them the number off one of your races. You have to buy bearings and races separately. I put my unit on jack stands and raised the arms and braced them so I would not get hurt. Be careful if you do put it on stands as it is rear heavy and can fall on you. Reason I say is I had mine tip back while on stands. I could have been killed for that mistake. Take your time and check everything twice. The axle end play should not be more that .013. When done all mine were between .004 and .006". I was happy with that result. Good luck with your endeavor.</p></blockquote><p></p>
[QUOTE="Fefanatic, post: 93096, member: 12973"] I recently went through this with my 743. I replaced all bearings, seals, races, wear sleeves, and chains . I did not pull the motor or any hydraulic pumps. I did remove the rear motor mount and bracket to gain more room to reach the rear gears and axles. Tazza is correct in wedging a wrench on the axle nut and using the engine to loosen them. I made a tool to bolt to the hub to torque the axle nuts. I also made a threaded rod to pull the inner bearing races into the axle tubes. The job is not easy but it can be done without pulling any motor or the hydraulic assemblies. I bought the seals and wear sleeves from Bobcat. They didn't have the bearings and races in stock so I bought the bearings from the local Carquest store. The races that come with the bearings in the box are incorrect so you need to give them the number off one of your races. You have to buy bearings and races separately. I put my unit on jack stands and raised the arms and braced them so I would not get hurt. Be careful if you do put it on stands as it is rear heavy and can fall on you. Reason I say is I had mine tip back while on stands. I could have been killed for that mistake. Take your time and check everything twice. The axle end play should not be more that .013. When done all mine were between .004 and .006". I was happy with that result. Good luck with your endeavor. [/QUOTE]
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Bobcat Skidsteer Forums
General Bobcat Skidsteer Forum
743 axle seals and bearings
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