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Bobcat Skidsteer Forums
General Bobcat Skidsteer Forum
1998 Bobcat 853 hydrostatic pump
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<blockquote data-quote="Tazza" data-source="post: 95205" data-attributes="member: 82"><p>The dealer should know how to check these pumps.</p><p>They need to test the gear pump first, they should have the test gear for that. Essentially they restrict the flow to bring the pressure up then measure how much oil is flowing. The pump should be able to put out say 16gpm at 2,500 PSI (they will need to check the specs for that), if it's very low, the pump is bad.</p><p>If any of the pumps are bad, you can replace or repair them. Loader parts source have gear pumps and drive pump parts. If you have mechanical abilities, you can do the work our self. New pumps from the dealer will cost you dearly. </p><p>As you said it lifts well, i'd like to think your gear pump is ok and you have wear on your valve/wear plates inside the drive pumps.</p></blockquote><p></p>
[QUOTE="Tazza, post: 95205, member: 82"] The dealer should know how to check these pumps. They need to test the gear pump first, they should have the test gear for that. Essentially they restrict the flow to bring the pressure up then measure how much oil is flowing. The pump should be able to put out say 16gpm at 2,500 PSI (they will need to check the specs for that), if it's very low, the pump is bad. If any of the pumps are bad, you can replace or repair them. Loader parts source have gear pumps and drive pump parts. If you have mechanical abilities, you can do the work our self. New pumps from the dealer will cost you dearly. As you said it lifts well, i'd like to think your gear pump is ok and you have wear on your valve/wear plates inside the drive pumps. [/QUOTE]
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Bobcat Skidsteer Forums
General Bobcat Skidsteer Forum
1998 Bobcat 853 hydrostatic pump
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