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General Bobcat Skidsteer Forum
Bobcat 643 hydraulic problems
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<blockquote data-quote="Tazza" data-source="post: 35912" data-attributes="member: 82"><p>Not an issue about the extra post, its only an issue when people post the exact same thing in different sections hoping for faster replies....</p><p>Its possible the pump has scores in the wear plates reducing the power to the motors, but it shouldn't just happen, especially on both sides. Is the oil foaming at all? and is the pump getting hot quickly?</p><p>If you replaced the main filter in the engine bay, thats the only other filter there is.</p><p>As for a cheap place in Brisbane... no such place exists. I deal with clark equipment at Archerfield only when i need to. I did have a setup that they gave me 15% discount because my dad knew a guy there, but the powers higher up figured they are genuine parts, why should they offer a discount, so that went away. Because of that, they would have lost at least $15,000 in parts sales from me, if not more. If i bought pump parts, i would have paid $6,000 instead of the $1,200 shipped i ended up paying from a place in the USA.</p><p>Depending on what parts you need, there is a fair bit available for older machines aftermarket. Pump and motor parts especially. Seals can be bought cheaply locally too.</p><p>There really is no perfect speed for the pumps, at mid throttle it should work just fine, when the load increases the engine will bog down more, so give it a bit more.</p><p>As you did say it has been lower on power since you got it, its totally possible it is wear in the pump. If you have the time, you can use glass and wet and dry to remove most of these scores and hopefully get it back to how it should be.</p></blockquote><p></p>
[QUOTE="Tazza, post: 35912, member: 82"] Not an issue about the extra post, its only an issue when people post the exact same thing in different sections hoping for faster replies.... Its possible the pump has scores in the wear plates reducing the power to the motors, but it shouldn't just happen, especially on both sides. Is the oil foaming at all? and is the pump getting hot quickly? If you replaced the main filter in the engine bay, thats the only other filter there is. As for a cheap place in Brisbane... no such place exists. I deal with clark equipment at Archerfield only when i need to. I did have a setup that they gave me 15% discount because my dad knew a guy there, but the powers higher up figured they are genuine parts, why should they offer a discount, so that went away. Because of that, they would have lost at least $15,000 in parts sales from me, if not more. If i bought pump parts, i would have paid $6,000 instead of the $1,200 shipped i ended up paying from a place in the USA. Depending on what parts you need, there is a fair bit available for older machines aftermarket. Pump and motor parts especially. Seals can be bought cheaply locally too. There really is no perfect speed for the pumps, at mid throttle it should work just fine, when the load increases the engine will bog down more, so give it a bit more. As you did say it has been lower on power since you got it, its totally possible it is wear in the pump. If you have the time, you can use glass and wet and dry to remove most of these scores and hopefully get it back to how it should be. [/QUOTE]
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Bobcat 643 hydraulic problems
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