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Bobcat Skidsteer Forums
General Bobcat Skidsteer Forum
642b starts but nothing will move
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<blockquote data-quote="Tazza" data-source="post: 75654" data-attributes="member: 82"><p>I believe the older ones were vane unless the gear option was choses. Most are vane though.</p><p>Personally i'd remove the front part of the vane pump, see if it moves as you rotate the engine. There are 3 pumps in a line, all joined. If there was a problem along the line, the shaft can break preventing the charge/hydraulic pump to not work. If it's not working, the drive will not work either.</p><p>Start there and work from that point. An air pocket could be a problem, but should clear pretty fast and give you some movement. Even try removing the line from the front of the hydraulic pump and crank, see if oil sprays out.</p></blockquote><p></p>
[QUOTE="Tazza, post: 75654, member: 82"] I believe the older ones were vane unless the gear option was choses. Most are vane though. Personally i'd remove the front part of the vane pump, see if it moves as you rotate the engine. There are 3 pumps in a line, all joined. If there was a problem along the line, the shaft can break preventing the charge/hydraulic pump to not work. If it's not working, the drive will not work either. Start there and work from that point. An air pocket could be a problem, but should clear pretty fast and give you some movement. Even try removing the line from the front of the hydraulic pump and crank, see if oil sprays out. [/QUOTE]
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General Bobcat Skidsteer Forum
642b starts but nothing will move
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