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Bobcat Variable Sheave seal replacement parts!
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<blockquote data-quote="Bobm500Cat" data-source="post: 96712" data-attributes="member: 13757"><p>This is my DIY Variable sheave seal repair. If you review the following link this method effectively replaces items 17 through 21. You need every thing else. http://www.skidsteerforum.com/DesktopDefault.aspx?tabid=54&frmView=ShowPost&PostID=94950 Parts from Ace Hardware: qty 1 - 914-E @ $0.27 each. (this is a hollow lock pin - the real term/name eludes me at the moment) Dimensions: 3.33mm Diameter x 25mm long. qty 1 - 58193 - E @ $0.57 each. (this is a nylon bushing 7.77mm (8mm) diameter x 25 mm long. Add your favorite gasket sealer (silicon RTV blue is what I used) 1.) I trimmed the bushing length to 16mm - trimmed with a tube cutter to ensure a straight face. 2.) chucked up to a drill press the bushing marking 8mm in length and used a file to reduce diameter to 7mm or until snug into the center hole in cylinder shaft. Reference item number 16 in the linked post. This nylon busing is supper slippery and effectively replaces the spring, the washer and the oring listed - items 19, 18, 17. Because the bushing diameter was reduced, but I created a "step or shoulder" at 8mm in length, item number 20 is not needed, and I removed items 21 the original lock pins used to hold it. 3.) I cleaned the bushing with acetone and placed gasket sealer (blue RTV) around it for final assembly into the item number 16. 4.) Insert the new lock pin (P 914-E) to ensure complete alignment to the Roto swivel. 5.) Insert the Roto Swivel item 26 through 22 as normal. You should ensure the bushing is at the maximum possible length to allow the snap ring - item 25 to go in. This ensures a seal capable of minimum/no leaks as it is aligned and mated. I have not figured out how to post pictures but when I do I will. My unit work(ed) well until I cracked the Roto Swivel (again) item number 26 now I need to re-weld it back together or find something else. I had originally broke this when extracting the engine in march. So in total, my cost was less than a $1 in parts and it worked well. -Chad</p></blockquote><p></p>
[QUOTE="Bobm500Cat, post: 96712, member: 13757"] This is my DIY Variable sheave seal repair. If you review the following link this method effectively replaces items 17 through 21. You need every thing else. http://www.skidsteerforum.com/DesktopDefault.aspx?tabid=54&frmView=ShowPost&PostID=94950 Parts from Ace Hardware: qty 1 - 914-E @ $0.27 each. (this is a hollow lock pin - the real term/name eludes me at the moment) Dimensions: 3.33mm Diameter x 25mm long. qty 1 - 58193 - E @ $0.57 each. (this is a nylon bushing 7.77mm (8mm) diameter x 25 mm long. Add your favorite gasket sealer (silicon RTV blue is what I used) 1.) I trimmed the bushing length to 16mm - trimmed with a tube cutter to ensure a straight face. 2.) chucked up to a drill press the bushing marking 8mm in length and used a file to reduce diameter to 7mm or until snug into the center hole in cylinder shaft. Reference item number 16 in the linked post. This nylon busing is supper slippery and effectively replaces the spring, the washer and the oring listed - items 19, 18, 17. Because the bushing diameter was reduced, but I created a "step or shoulder" at 8mm in length, item number 20 is not needed, and I removed items 21 the original lock pins used to hold it. 3.) I cleaned the bushing with acetone and placed gasket sealer (blue RTV) around it for final assembly into the item number 16. 4.) Insert the new lock pin (P 914-E) to ensure complete alignment to the Roto swivel. 5.) Insert the Roto Swivel item 26 through 22 as normal. You should ensure the bushing is at the maximum possible length to allow the snap ring - item 25 to go in. This ensures a seal capable of minimum/no leaks as it is aligned and mated. I have not figured out how to post pictures but when I do I will. My unit work(ed) well until I cracked the Roto Swivel (again) item number 26 now I need to re-weld it back together or find something else. I had originally broke this when extracting the engine in march. So in total, my cost was less than a $1 in parts and it worked well. -Chad [/QUOTE]
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Bobcat Variable Sheave seal replacement parts!
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