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Bobcat Skidsteer Forums
General Bobcat Skidsteer Forum
853 gear reduction mayhem
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<blockquote data-quote="Old_853" data-source="post: 135013" data-attributes="member: 24634"><p>The chaincase has an open hole to the gear reduction and is lubricated with chain case oil. I use old hydraulic fluid in my chaincase, which I have in surplus due to these shenanigans. The two holes in the coupler shaft go to the interior of the gear coupler, they are drilled at an inward angle. The drive motor shaft doesn't run true, it kind of wobbles in an orbit. Those holes drain the fluid that gets squished by the end of the drive motor gear's eccentric orbit. In a properly operating system, the outward most face hole takes the excess fluid that leaks through the motor, and returns it to the reservoir through the case drain hose. I have an early model that doesn't have case drain filters, so there are no restrictions to the returning fluid. I think the seals are backwards combined with worn shafts. We'll see when parts get here.</p></blockquote><p></p>
[QUOTE="Old_853, post: 135013, member: 24634"] The chaincase has an open hole to the gear reduction and is lubricated with chain case oil. I use old hydraulic fluid in my chaincase, which I have in surplus due to these shenanigans. The two holes in the coupler shaft go to the interior of the gear coupler, they are drilled at an inward angle. The drive motor shaft doesn't run true, it kind of wobbles in an orbit. Those holes drain the fluid that gets squished by the end of the drive motor gear's eccentric orbit. In a properly operating system, the outward most face hole takes the excess fluid that leaks through the motor, and returns it to the reservoir through the case drain hose. I have an early model that doesn't have case drain filters, so there are no restrictions to the returning fluid. I think the seals are backwards combined with worn shafts. We'll see when parts get here. [/QUOTE]
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853 gear reduction mayhem
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