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LS 180 Loss of hydraulic pressure in lift and tilting back
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<blockquote data-quote="skidsteer.ca" data-source="post: 49797" data-attributes="member: 307"><p>Sounds like either the relief valve failed or the drive on the hydraulic pump broke resulting in no or minimal pressure in the hydraulic system.</p><p>The hydrostats the drive the wheels are a different circuit.</p><p>If it won't even try to lift the empty bucket, or spade in this case, kinda betting on the pump.</p><p>Of course this assumes you not low on oil or have a blown hose but if the wheels still drive that part must be fine.</p><p>Do you know if this machine has a separate pump for charge pressure for the hydrostats?</p><p>Many use the hydraulic pump for that as well, and if the drives still work you must still have charge pressure, that would rule out a broke pump on many models, but not if the charge pump is separate on your 180.</p><p>Also search tradebit.com for a pdf manual if you don't have one already. For @ 30 bucks you can't afford not to have one if your having trouble.</p><p>Also this post will get moved to the New Holland section, so be prepared to look for it there.</p><p>Skidsteer.ca</p></blockquote><p></p>
[QUOTE="skidsteer.ca, post: 49797, member: 307"] Sounds like either the relief valve failed or the drive on the hydraulic pump broke resulting in no or minimal pressure in the hydraulic system. The hydrostats the drive the wheels are a different circuit. If it won't even try to lift the empty bucket, or spade in this case, kinda betting on the pump. Of course this assumes you not low on oil or have a blown hose but if the wheels still drive that part must be fine. Do you know if this machine has a separate pump for charge pressure for the hydrostats? Many use the hydraulic pump for that as well, and if the drives still work you must still have charge pressure, that would rule out a broke pump on many models, but not if the charge pump is separate on your 180. Also search tradebit.com for a pdf manual if you don't have one already. For @ 30 bucks you can't afford not to have one if your having trouble. Also this post will get moved to the New Holland section, so be prepared to look for it there. Skidsteer.ca [/QUOTE]
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LS 180 Loss of hydraulic pressure in lift and tilting back
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