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Bobcat Skidsteer Forums
General Bobcat Skidsteer Forum
A 743 in pieces
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<blockquote data-quote="Tazza" data-source="post: 2510" data-attributes="member: 82"><p>I'm convinced that there is air trapped in the hydrostatic system. I can grab a wheel and turn it and the hydro motor moves, which when full of oil shouldn't budge!</p><p>All i can think of is that i have no load on the motors so there is not enough leakage through the case drain to bleed the system..... I can remove the allen screw on top on the hydro pump and there are bubbles coming out when the machine isn't running. When i get the parts needed for the steering linkages i will load it down and see if that clears up the problems.</p><p>Does anyone know a better way to purge the air from the hydrostatic system? as its a closed loop but with a case drain that allows fresh cooled oil to enter the curcuit. Where is goodtech when you need him! I probably shouldn't be starting it much untill i can load it down, as the engine is fully re-conditioned and they need to be loaded down and run at all over the rev range to run in correctly. I have been told that just running them without a load doesn't allow them to wear in correctly. I have run it for maybee 10 mins total over a few starts.</p></blockquote><p></p>
[QUOTE="Tazza, post: 2510, member: 82"] I'm convinced that there is air trapped in the hydrostatic system. I can grab a wheel and turn it and the hydro motor moves, which when full of oil shouldn't budge! All i can think of is that i have no load on the motors so there is not enough leakage through the case drain to bleed the system..... I can remove the allen screw on top on the hydro pump and there are bubbles coming out when the machine isn't running. When i get the parts needed for the steering linkages i will load it down and see if that clears up the problems. Does anyone know a better way to purge the air from the hydrostatic system? as its a closed loop but with a case drain that allows fresh cooled oil to enter the curcuit. Where is goodtech when you need him! I probably shouldn't be starting it much untill i can load it down, as the engine is fully re-conditioned and they need to be loaded down and run at all over the rev range to run in correctly. I have been told that just running them without a load doesn't allow them to wear in correctly. I have run it for maybee 10 mins total over a few starts. [/QUOTE]
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Bobcat Skidsteer Forums
General Bobcat Skidsteer Forum
A 743 in pieces
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