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Bobcat Skidsteer Forums
General Bobcat Skidsteer Forum
543 with slow lift/bucket action
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<blockquote data-quote="OldMachinist" data-source="post: 69251" data-attributes="member: 437"><p>The only for sure way to test the pump is to do a pressure and flow test but most people don't have access to the tester to do that so your next best thing is to check the hydraulic system pressure at the aux. connectors and see if adjusting the main relief valve helps. The 543 pressure should around 1500 psi at full throttle. The relief valve is adjusted by adding shims inside it to raise the pressure. Each .010" shim increases the pressure 100 psi.</p></blockquote><p></p>
[QUOTE="OldMachinist, post: 69251, member: 437"] The only for sure way to test the pump is to do a pressure and flow test but most people don't have access to the tester to do that so your next best thing is to check the hydraulic system pressure at the aux. connectors and see if adjusting the main relief valve helps. The 543 pressure should around 1500 psi at full throttle. The relief valve is adjusted by adding shims inside it to raise the pressure. Each .010” shim increases the pressure 100 psi. [/QUOTE]
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Bobcat Skidsteer Forums
General Bobcat Skidsteer Forum
543 with slow lift/bucket action
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