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Bobcat Skidsteer Forums
General Bobcat Skidsteer Forum
Jack hammer on frozen bucket pivot pins
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<blockquote data-quote="wateka" data-source="post: 120154" data-attributes="member: 21519"><p>The Bob-Tach bucket pivot pins on my new-to-me 1993 Bobcat 853 would not come out. I tried the instructions from the service manual (remove Zerk fitting and use a sledge hammer on the slightly unscrewed bolt). Nope, but I did bend the bolt. </p><p></p><p>I tried my 5-ton hydraulic gear puller. Nope. </p><p></p><p>I then thought, I've got a 20-ton short body hydraulic ram. THAT will do it. Nope, and that got me worried because I've read posts about folks cutting out their Bob-Tachs with torches to get the pins out. </p><p></p><p>Thanks to [USER=2399]@jberndt[/USER] and others:</p><p><a href="https://www.skidsteerforum.com/threads/sure-fire-way-to-remove-frozen-rusted-pins.51445/" target="_blank">https://www.skidsteerforum.com/threads/sure-fire-way-to-remove-frozen-rusted-pins.51445/</a> I saw the suggestion of a jack hammer. Off to Home Depot Tool Rental I went. The ratchet strap serves to both keep the hammer level and tight. I cut the head off a 6" long Grade 8 3/4" bolt, threaded it in to the pivot pin (this model has threads in the pivot pins, not the bolt-through kind on later models) and let it go to town, using a ground rod driving bit. It took about six minutes of pounding and it popped free. Bonus: it shook loose every mud dauber nest hidden in the arms.</p><p>[MEDIA=youtube]JVc95lUfx1g[/MEDIA]</p></blockquote><p></p>
[QUOTE="wateka, post: 120154, member: 21519"] The Bob-Tach bucket pivot pins on my new-to-me 1993 Bobcat 853 would not come out. I tried the instructions from the service manual (remove Zerk fitting and use a sledge hammer on the slightly unscrewed bolt). Nope, but I did bend the bolt. I tried my 5-ton hydraulic gear puller. Nope. I then thought, I’ve got a 20-ton short body hydraulic ram. THAT will do it. Nope, and that got me worried because I’ve read posts about folks cutting out their Bob-Tachs with torches to get the pins out. Thanks to [USER=2399]@jberndt[/USER] and others: [URL]https://www.skidsteerforum.com/threads/sure-fire-way-to-remove-frozen-rusted-pins.51445/[/URL] I saw the suggestion of a jack hammer. Off to Home Depot Tool Rental I went. The ratchet strap serves to both keep the hammer level and tight. I cut the head off a 6” long Grade 8 3/4” bolt, threaded it in to the pivot pin (this model has threads in the pivot pins, not the bolt-through kind on later models) and let it go to town, using a ground rod driving bit. It took about six minutes of pounding and it popped free. Bonus: it shook loose every mud dauber nest hidden in the arms. [MEDIA=youtube]JVc95lUfx1g[/MEDIA] [/QUOTE]
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Jack hammer on frozen bucket pivot pins
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