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Bobcat Skidsteer Forums
General Bobcat Skidsteer Forum
Bobcat 642 runs and operates great, but noisy drive motor.
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<blockquote data-quote="Tazza" data-source="post: 49586" data-attributes="member: 82"><p>The oil in the chain case will be the main seal on the gearbox taht the motor bolts to leaking. The motors always have a little internal leakage, that's why the seal is there.</p><p>If you remove the motor, give the shaft that the motor shaft goes into a wiggle. It should be tight. If it moves it will allow oil past the seal as the bearings are worn. I guess it could make the motor noisy, but i'n not 100% on that.</p><p>I think the oil lubricates the bearings as they rely on the fact you will be moving and sloshing the oil around. When the chains move the oil sloshes around, so its always moving.</p><p>I assume you got the bolt out? they sure are done up tight, and the manual says to put loctite on them, that makes them even harder to get out.</p></blockquote><p></p>
[QUOTE="Tazza, post: 49586, member: 82"] The oil in the chain case will be the main seal on the gearbox taht the motor bolts to leaking. The motors always have a little internal leakage, that's why the seal is there. If you remove the motor, give the shaft that the motor shaft goes into a wiggle. It should be tight. If it moves it will allow oil past the seal as the bearings are worn. I guess it could make the motor noisy, but i'n not 100% on that. I think the oil lubricates the bearings as they rely on the fact you will be moving and sloshing the oil around. When the chains move the oil sloshes around, so its always moving. I assume you got the bolt out? they sure are done up tight, and the manual says to put loctite on them, that makes them even harder to get out. [/QUOTE]
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Bobcat Skidsteer Forums
General Bobcat Skidsteer Forum
Bobcat 642 runs and operates great, but noisy drive motor.
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