![]() It is very important to plug the hydraulic hoses correctly. ![]() Some threads in the adapters may also be different, so make sure you are well-prepared to this assembly step. It is likely that, when installing an aftermarket spare, the location of individual connections will be different than on the genuine part. After screwing in the drive to the machine, proceed to plug the hydraulic hoses. Maximum screw tightening torque for installing a final drive is always specified by manufacturers in original service manuals for the machines. When mounting the drive unit to the excavator frame, do not forget about cleaning the adjacent surfaces between the frame and the drive, and about tightening the screws up to specific torque and use a thread lubricant. Note that complete final drive fit into the vehicle only in a specific position, which is dependent on the location of holes of the machine frame. The first step is to mount the drive unit to the excavator frame. ![]() Note that complete final drive, contrary to what it may appear, are very heavy, and thus require certain safety measures.Īssembly of the planetary gear along with the hydraulic motor - particularly an aftermarket one - may often cause certain problems which we have described below.īefore assembling a complete final drive into a tracked machine, it is recommended to fill the system with an abundance of clean hydraulic oil in order to ensure that the engine is properly lubricated. The next step is to unscrew the screws fixing the final drive to the excavator frame, and removing the complete unit. Then, disconnect hydraulic hoses and secure them, as well as the hydraulic motor from oil leakage, and from penetration of dirt into the hydraulic system. A good practice at this point is to mark hydraulic hoses with a marking of your choice to prevent further problems with identifying them. After that, disassemble the frame guard at the hydraulic motor side. Then, loosen the screws at the sprocket side (allowing you to avoid unnecessary complications at the later stage). ![]() To disassemble the final drive, first dismount the rubber track, or detach the track chain. Regardless of the suggestions provided, always follow the original procedures. ![]() the complete planetary gear with hydraulic motor seems to be rather unproblematic however we have included here several tips that should help you with this operation. ![]()
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