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Bobcat 630 Reclamation
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<blockquote data-quote="peebeeaitch" data-source="post: 61723" data-attributes="member: 8318"><p><u>26 Dec 2012</u></p><p>Removed the lines on the tilt circuit - all 4 of them (see this post: <a href="https://www.skidsteerforum.com/DesktopDefault.aspx?tabid=54&frmView=ShowPost&PostID=61657" target="_blank">Hydraulic Hoses - Check or Replace?</a>).</p><p>Off I went to the local agricultural repair place that had been recommended to me. I think when they saw me, they realised that the opportunity existed to make up the sales not only for December 2012, but for the entire year of 2012. The helpful chap almost ripped the lines out of my hands in his eagerness to make replacements. 20 minutes later, however, I had 4 new lines, with abrasion sleeving.</p><p><img src="http://bobcat.thesouthpole.co.za/BloodSweatAndTears/2012-12-26_NewLineWithAbrasion1.jpg" alt="2012-12-26_NewLineWithAbrasion1.jpg (3264×2448)" class="fr-fic fr-dii fr-draggable " style="" /></p><p>I am very happy I decided to replace all 4 lines. When I was cleaning the hoses to take to the shop, I coiled them up. There was a crackling sound. Not a good crackling sound. It sounded like there was scale or something in the pipes that was being cracked as I tightened the radius. I realise that this is probably not the case and it is more likely the rubber crackling, but in either case the one means little pieces of something in the oil or no oil at all in the other.</p><p>Replaced the lines and fired up the machine. I discovered that the solenoid is, in fact, working, but not receiving a signal from the keyswitch. I have not delved into the electrical stuff yet as this is all mostly operational and I have some serious electrical plans for the machine in the future - no use wasting time running new electrical lines that will be replaced anyway. Also, I am fairly confident that the machine will start without Quickstart (fingers crossed).</p><p>Dropped the bucket (after bending some of the ROPS bracing - more to come) and nestled it up against the frame - after almost taking out the ceiling, two pallet jacks (mentioned in a previous post), a cat and an old refrigerator. First time in a Bobcat, in a garage, in an adoptive country, in the middle of the coldest I have ever experienced in my entire existence is perhaps not the ideal self-tuition environment.</p><p><img src="http://bobcat.thesouthpole.co.za/BloodSweatAndTears/2012-12-26_TiltCylinderNewLines.jpg" alt="2012-12-26_TiltCylinderNewLines.jpg (3264×2448)" class="fr-fic fr-dii fr-draggable " style="" /></p><p>(The two lines leading to the tilt cylinder with the abrasion sleeving visible).</p><p>After I calmed the beast down, I switched off and went to go and clear the tools away from the back of the machine so that I could triumphantly exit the garage on Bobcat power alone.</p><p>Crushing defeat: dripping, splattered oil over all the tools. A new leak.</p><p>This time on the arm lift cylinders. When I was supporting the arms in order to replacer the previous lines, I ran some round bar under the lift arms and used some of the square hole separators in the ROPS to hold the bar. After firing up the machine this time, I pressed ARM DOWN pedal operation and the machine dutifully bent the separator, and probably burst the hose (no photos of this one, it is a little embarrasing).</p><p><img src="http://bobcat.thesouthpole.co.za/BloodSweatAndTears/2012-12-26_NewLeakyLines.jpg" alt="2012-12-26_NewLeakyLines.jpg (2448×3264)" class="fr-fic fr-dii fr-draggable " style="" /></p><p>The burst hose is on the right - I think it has let go at the swaged connection). Right, so now I need some help. There is no way on earth that the wrenches (this time, the expensive big ones) are going to get into that little space to remove the lines from the base of the lift cylinder. I can only assume that the way to get to them is to lift the arms as high as they will go? If so, I need to go in to work tomorrow and fabricate some form of cylinder lift stop, so what is the extension length of the cylinder?</p><p>Thanks in advance.</p><p>PBH</p></blockquote><p></p>
[QUOTE="peebeeaitch, post: 61723, member: 8318"] [U]26 Dec 2012[/U] Removed the lines on the tilt circuit - all 4 of them (see this post: [URL='https://www.skidsteerforum.com/DesktopDefault.aspx?tabid=54&frmView=ShowPost&PostID=61657']Hydraulic Hoses - Check or Replace?[/URL]). Off I went to the local agricultural repair place that had been recommended to me. I think when they saw me, they realised that the opportunity existed to make up the sales not only for December 2012, but for the entire year of 2012. The helpful chap almost ripped the lines out of my hands in his eagerness to make replacements. 20 minutes later, however, I had 4 new lines, with abrasion sleeving. [IMG alt="2012-12-26_NewLineWithAbrasion1.jpg (3264×2448)"]http://bobcat.thesouthpole.co.za/BloodSweatAndTears/2012-12-26_NewLineWithAbrasion1.jpg[/IMG] I am very happy I decided to replace all 4 lines. When I was cleaning the hoses to take to the shop, I coiled them up. There was a crackling sound. Not a good crackling sound. It sounded like there was scale or something in the pipes that was being cracked as I tightened the radius. I realise that this is probably not the case and it is more likely the rubber crackling, but in either case the one means little pieces of something in the oil or no oil at all in the other. Replaced the lines and fired up the machine. I discovered that the solenoid is, in fact, working, but not receiving a signal from the keyswitch. I have not delved into the electrical stuff yet as this is all mostly operational and I have some serious electrical plans for the machine in the future - no use wasting time running new electrical lines that will be replaced anyway. Also, I am fairly confident that the machine will start without Quickstart (fingers crossed). Dropped the bucket (after bending some of the ROPS bracing - more to come) and nestled it up against the frame - after almost taking out the ceiling, two pallet jacks (mentioned in a previous post), a cat and an old refrigerator. First time in a Bobcat, in a garage, in an adoptive country, in the middle of the coldest I have ever experienced in my entire existence is perhaps not the ideal self-tuition environment. [IMG alt="2012-12-26_TiltCylinderNewLines.jpg (3264×2448)"]http://bobcat.thesouthpole.co.za/BloodSweatAndTears/2012-12-26_TiltCylinderNewLines.jpg[/IMG] (The two lines leading to the tilt cylinder with the abrasion sleeving visible). After I calmed the beast down, I switched off and went to go and clear the tools away from the back of the machine so that I could triumphantly exit the garage on Bobcat power alone. Crushing defeat: dripping, splattered oil over all the tools. A new leak. This time on the arm lift cylinders. When I was supporting the arms in order to replacer the previous lines, I ran some round bar under the lift arms and used some of the square hole separators in the ROPS to hold the bar. After firing up the machine this time, I pressed ARM DOWN pedal operation and the machine dutifully bent the separator, and probably burst the hose (no photos of this one, it is a little embarrasing). [IMG alt="2012-12-26_NewLeakyLines.jpg (2448×3264)"]http://bobcat.thesouthpole.co.za/BloodSweatAndTears/2012-12-26_NewLeakyLines.jpg[/IMG] The burst hose is on the right - I think it has let go at the swaged connection). Right, so now I need some help. There is no way on earth that the wrenches (this time, the expensive big ones) are going to get into that little space to remove the lines from the base of the lift cylinder. I can only assume that the way to get to them is to lift the arms as high as they will go? If so, I need to go in to work tomorrow and fabricate some form of cylinder lift stop, so what is the extension length of the cylinder? Thanks in advance. PBH [/QUOTE]
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