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Bobcat Skidsteer Forums
General Bobcat Skidsteer Forum
Main Hydraulic Pump Motor
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<blockquote data-quote="Tazza" data-source="post: 114412" data-attributes="member: 82"><p>That is a noise like fingernails on a chalk board, not a nice soudn to hear at all.</p><p>It does sound like something is stripped.</p><p>It is possible that the spline at the motor end is stripped, there is a chance it is also the coupling between the drive pumps and the hydrulic pump too. If you remove the end of the hydraulic pump, you will see a small splined shaft, this shaft has splined joiners to link it to the shaft that goes to the motor end. It is possible one of these has gone too. If you try and turn this shaft with the motor attached, it should not turn. If you pull the pump casing and rotor out, ensure the vanes go back in the same spot as they will have worn in.</p></blockquote><p></p>
[QUOTE="Tazza, post: 114412, member: 82"] That is a noise like fingernails on a chalk board, not a nice soudn to hear at all. It does sound like something is stripped. It is possible that the spline at the motor end is stripped, there is a chance it is also the coupling between the drive pumps and the hydrulic pump too. If you remove the end of the hydraulic pump, you will see a small splined shaft, this shaft has splined joiners to link it to the shaft that goes to the motor end. It is possible one of these has gone too. If you try and turn this shaft with the motor attached, it should not turn. If you pull the pump casing and rotor out, ensure the vanes go back in the same spot as they will have worn in. [/QUOTE]
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Bobcat Skidsteer Forums
General Bobcat Skidsteer Forum
Main Hydraulic Pump Motor
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