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Couple ?'s on hydro system L555 or similar models
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<blockquote data-quote="irwin" data-source="post: 26504" data-attributes="member: 2385"><p>Thanks for replying Tazza and Earthwerks Unlimited.</p><p>What had me most concerned was this..... </p><p><span style="color: #ff0000">I tried to prime it, (before I removed the pump) by pouring hyraulic fluid into the hose (after disconnecting the hose from the sump and bending it upward). </span></p><p>(here Earthwerks said)>>>>>>>>"Toooo late." <img src="https://www.skidsteerforum.com/DesktopModules/AdverForums/ImageGallery/emotion-5.gif" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p><span style="color: #ff0000">I cranked the engine over (with the fuel shut off) <span style="font-family: 'Garamond'"><span style="font-size: 18px"><strong>and the hose did not empty</strong></span></span>. :-( I'm thinking either the gear pump is bad or the key/keyway (somewhere down the line) is bad. Any other ideas? )</span></p><p><span style="color: #000000">Shouldn't, <span style="color: #ff0000">even a weak</span> pump move fluid <span style="font-size: 15px"><span style="color: #ff0000">that's poured into it</span></span> with gravity feed? </span></p><p><span style="color: #000000">Trust me I want this issue to be a pump failure..all other options are high labor hour jobs. The pump is a 15-20 minute swap over. I'll know for sure in a couple days if I have deeper problems... ie: the transmission pump coupler or a shaft broke. I've bought a new gear pump from Messicks, (time is tight and I don't want to mess around) Friday or Saturday I'll put the shaft from the old pump in the output shaft hole on the outer trans pump and if it turns with a good solid feel.. the new pump will get a spin. </span></p><p><span style="color: #000000">If it doesn't spin, or does spin but slips, I'll know the transmissions have to come out..(praying hands here)....</span></p><p><span style="color: #000000">See below parts illustration .. #6 is the coupler for the two trans shafts. the engine to trans connection appears to be another slotted shaft to slotted hole connection. Not as likely to fail but possible.. I run a auto repair shop but these machines are a little different than the family sedan. <img src="https://www.skidsteerforum.com/DesktopModules/AdverForums/ImageGallery/emotion-1.gif" alt="" class="fr-fic fr-dii fr-draggable " style="" /></span></p><p><img src="http://i153.photobucket.com/albums/s218/irwin55/pumps.gif?t=1246493180" alt="pumps.gif picture by irwin55" class="fr-fic fr-dii fr-draggable " style="width: 336px; height: 445px" /></p></blockquote><p></p>
[QUOTE="irwin, post: 26504, member: 2385"] Thanks for replying Tazza and Earthwerks Unlimited. What had me most concerned was this.....[B][COLOR=#ff0000] [/COLOR][/B] [COLOR=#ff0000]I tried to prime it, (before I removed the pump) by pouring hyraulic fluid into the hose (after disconnecting the hose from the sump and bending it upward). [/COLOR] (here Earthwerks said)>>>>>>>>“Toooo late.“ [IMG]https://www.skidsteerforum.com/DesktopModules/AdverForums/ImageGallery/emotion-5.gif[/IMG] [COLOR=#ff0000]I cranked the engine over (with the fuel shut off) [FONT=Garamond][SIZE=5][B]and the hose did not empty[/B][/SIZE][/FONT]. :-( I'm thinking either the gear pump is bad or the key/keyway (somewhere down the line) is bad. Any other ideas? )[/COLOR] [COLOR=#000000]Shouldn't, [COLOR=#ff0000]even a weak[/COLOR] pump move fluid [SIZE=4][COLOR=#ff0000]that's poured into it[/COLOR][/SIZE] with gravity feed? [/COLOR] [COLOR=#000000]Trust me I want this issue to be a pump failure..all other options are high labor hour jobs. The pump is a 15-20 minute swap over. I'll know for sure in a couple days if I have deeper problems... ie: the transmission pump coupler or a shaft broke. I've bought a new gear pump from Messicks, (time is tight and I don't want to mess around) Friday or Saturday I'll put the shaft from the old pump in the output shaft hole on the outer trans pump and if it turns with a good solid feel.. the new pump will get a spin. If it doesn't spin, or does spin but slips, I'll know the transmissions have to come out..(praying hands here).... See below parts illustration .. #6 is the coupler for the two trans shafts. the engine to trans connection appears to be another slotted shaft to slotted hole connection. Not as likely to fail but possible.. I run a auto repair shop but these machines are a little different than the family sedan. [IMG]https://www.skidsteerforum.com/DesktopModules/AdverForums/ImageGallery/emotion-1.gif[/IMG][/COLOR] [IMG width="336px" height="445px" alt="pumps.gif picture by irwin55"]http://i153.photobucket.com/albums/s218/irwin55/pumps.gif?t=1246493180[/IMG] [/QUOTE]
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Couple ?'s on hydro system L555 or similar models
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