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Bobcat Skidsteer Forums
General Bobcat Skidsteer Forum
Bobcat 643 disconnect u-joint and buying manuals
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<blockquote data-quote="Tazza" data-source="post: 10372" data-attributes="member: 82"><p>First off, you don't need to get these parts from your dealer, call around your local hydraulics shops that sell eaton/vickers parts. Its just an option.</p><p>As for the seals, i would only change the rear bearing and seal, if the other seals do not leak don't touch them, its a little complicated with the ones on the pintle arms (where the steering levers connect to). There is no front seal either, its the hydraulic pump. Unless there are leaks, don't touch those parts as they do not need to be opened.</p><p>You are rite, there should be 2 bolts through the back of the pump that hold the pump to the black support that is mounted to the machine. It could indeed have been the cause of the fan damage. Removal of the pump is fairly easy, 4 bolts then 4 main hydraulic hoses which i remove at the motors (i feel its easier that way). 1 charge pressure hose on the top of the pump, 1 high pressure line from the hydraulic pump and 1 suction line to the pump. Plug everything as you remove it.</p><p>The missing bolts could indeed be the cause of the vibration, you will always have a little vibration but without support it will be much worse, especially under load.</p><p>This pump is indeed the same as sterlclan (Jeff) was talking about. He pulled his pump down and now it works 100%. He does have some pictures in the media section. I have worked on one too so between the 3 of us i'm sure we can point you in the rite direction.</p></blockquote><p></p>
[QUOTE="Tazza, post: 10372, member: 82"] First off, you don't need to get these parts from your dealer, call around your local hydraulics shops that sell eaton/vickers parts. Its just an option. As for the seals, i would only change the rear bearing and seal, if the other seals do not leak don't touch them, its a little complicated with the ones on the pintle arms (where the steering levers connect to). There is no front seal either, its the hydraulic pump. Unless there are leaks, don't touch those parts as they do not need to be opened. You are rite, there should be 2 bolts through the back of the pump that hold the pump to the black support that is mounted to the machine. It could indeed have been the cause of the fan damage. Removal of the pump is fairly easy, 4 bolts then 4 main hydraulic hoses which i remove at the motors (i feel its easier that way). 1 charge pressure hose on the top of the pump, 1 high pressure line from the hydraulic pump and 1 suction line to the pump. Plug everything as you remove it. The missing bolts could indeed be the cause of the vibration, you will always have a little vibration but without support it will be much worse, especially under load. This pump is indeed the same as sterlclan (Jeff) was talking about. He pulled his pump down and now it works 100%. He does have some pictures in the media section. I have worked on one too so between the 3 of us i'm sure we can point you in the rite direction. [/QUOTE]
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General Bobcat Skidsteer Forum
Bobcat 643 disconnect u-joint and buying manuals
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