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Bobcat Skidsteer Forums
General Bobcat Skidsteer Forum
1994? I Think 743 DS weak drive very noisy
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<blockquote data-quote="jerry" data-source="post: 73604" data-attributes="member: 931"><p>This may not apply but you mention port block. If it is the port block on top of the pumps like the 632 there is a filter in it inside the center fitting on the right side and on the back side under a bolt there is a relief valve. When I redid my 632 I put a new spring on that relief just because I figured that after 30 years it may have got tired. The new spring was slightly longer and it did have higher charge pressure after. Don't know if any of this helps but if you can lift a good load with no problem it might. The dealer could check out the pumps for flow and pressure ,have no idea about cost tho.</p></blockquote><p></p>
[QUOTE="jerry, post: 73604, member: 931"] This may not apply but you mention port block. If it is the port block on top of the pumps like the 632 there is a filter in it inside the center fitting on the right side and on the back side under a bolt there is a relief valve. When I redid my 632 I put a new spring on that relief just because I figured that after 30 years it may have got tired. The new spring was slightly longer and it did have higher charge pressure after. Don't know if any of this helps but if you can lift a good load with no problem it might. The dealer could check out the pumps for flow and pressure ,have no idea about cost tho. [/QUOTE]
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Bobcat Skidsteer Forums
General Bobcat Skidsteer Forum
1994? I Think 743 DS weak drive very noisy
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