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General Bobcat Skidsteer Forum
Bobcat 630 Reclamation
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<blockquote data-quote="peebeeaitch" data-source="post: 62641" data-attributes="member: 8318"><p><u>19 Jan 2013</u></p><p>Clearly I needed a press, the sprocket had to come off. Speaking to the chaps at work, they strongly advised against getting a press from a company that imports very inexpensive tools. They suggested I buy a quality item that would last for years. But, they could not guess if 6, 12, 20 or 50 tons would beenough to remove the sporcket from the motor.</p><p>I decided to buy an inexpensive, inferior quality press that I now know will not last for years. Simultaneously, I bought a "4 set of 3 puller jaws" set of gear pullers. For the uniformed, that is 4 gear pullers with 3 jaws each. Also, inexpensive.</p><p><u>20 Jan 2013</u></p><p>The set of 4 3 jaw pullers were put to the test removing the sprocket. This failed.</p><p>The 12 ton press, and LARGE bearing clam shell I had also bought, were put to the test:</p><p><img src="http://bobcat.thesouthpole.co.za/BloodSweatAndTears/2013-01-20_Press.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p>This was after 12 hours under pressure - I had hung on the pressarm and imagine the pressing force to be close to 15-20 tons. Sprocket 1: Press, and clamshell, 0.</p><p>The chaps at work used a quality gear puller, quality gas, quality 200lb sledge hammer and managed to remove the sprocket. Fearing that the other sprocket would also resist, I took it in as well and now it is: Sprocket 1: Huge effort: 2.</p></blockquote><p></p>
[QUOTE="peebeeaitch, post: 62641, member: 8318"] [U]19 Jan 2013[/U] Clearly I needed a press, the sprocket had to come off. Speaking to the chaps at work, they strongly advised against getting a press from a company that imports very inexpensive tools. They suggested I buy a quality item that would last for years. But, they could not guess if 6, 12, 20 or 50 tons would beenough to remove the sporcket from the motor. I decided to buy an inexpensive, inferior quality press that I now know will not last for years. Simultaneously, I bought a “4 set of 3 puller jaws“ set of gear pullers. For the uniformed, that is 4 gear pullers with 3 jaws each. Also, inexpensive. [U]20 Jan 2013[/U] The set of 4 3 jaw pullers were put to the test removing the sprocket. This failed. The 12 ton press, and LARGE bearing clam shell I had also bought, were put to the test: [IMG]http://bobcat.thesouthpole.co.za/BloodSweatAndTears/2013-01-20_Press.jpg[/IMG] This was after 12 hours under pressure - I had hung on the pressarm and imagine the pressing force to be close to 15-20 tons. Sprocket 1: Press, and clamshell, 0. The chaps at work used a quality gear puller, quality gas, quality 200lb sledge hammer and managed to remove the sprocket. Fearing that the other sprocket would also resist, I took it in as well and now it is: Sprocket 1: Huge effort: 2. [/QUOTE]
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