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Bobcat Skidsteer Forums
General Bobcat Skidsteer Forum
An older 743 Hyrdaulic Pump issue
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<blockquote data-quote="dirtbiker245" data-source="post: 8570" data-attributes="member: 1100"><p>Well, im tearing into my dads old bobcat. He used to use it for construction jobs and it unexpectedly quit on him one day about 8 years ago. The engine was running, but it wouldnt move. Anyways, he got the thing home and off the trailer. He figured the pump went out so he tore into that. Once he got it all apart he realized that there was nothing wrong with the pump. Then he looked into the book more and round out about the U joint behind the engine, pulled the engine, fixed the u-joint and got that all back together. All during this, the hyrdaulic pump was sitting in a bucket fully dissasembled. Well, he got busy with work and the pump sat in the rain for about 4 years and got completely wrecked. I bought a new pump and have fully cleaned out the port block with kerosene, then dipped it in a bucket of hot water to remove the kerosene, then air blew out all the ports with a compressor. I also cleaned up all the other parts that had been removed this way. I bought a complete new/rebuilt hydraulic pump so I dont have to worry about there being a rust spot in the old one or whatnot. Im about to re-assemble it but just wanted to ask if there is anything I should do before putting it back together... I have alot of mechanical experience, however hydraulics are new to me and I know that they have to be very precise and I dont want to screw something up. Thanks</p></blockquote><p></p>
[QUOTE="dirtbiker245, post: 8570, member: 1100"] Well, im tearing into my dads old bobcat. He used to use it for construction jobs and it unexpectedly quit on him one day about 8 years ago. The engine was running, but it wouldnt move. Anyways, he got the thing home and off the trailer. He figured the pump went out so he tore into that. Once he got it all apart he realized that there was nothing wrong with the pump. Then he looked into the book more and round out about the U joint behind the engine, pulled the engine, fixed the u-joint and got that all back together. All during this, the hyrdaulic pump was sitting in a bucket fully dissasembled. Well, he got busy with work and the pump sat in the rain for about 4 years and got completely wrecked. I bought a new pump and have fully cleaned out the port block with kerosene, then dipped it in a bucket of hot water to remove the kerosene, then air blew out all the ports with a compressor. I also cleaned up all the other parts that had been removed this way. I bought a complete new/rebuilt hydraulic pump so I dont have to worry about there being a rust spot in the old one or whatnot. Im about to re-assemble it but just wanted to ask if there is anything I should do before putting it back together... I have alot of mechanical experience, however hydraulics are new to me and I know that they have to be very precise and I dont want to screw something up. Thanks [/QUOTE]
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General Bobcat Skidsteer Forum
An older 743 Hyrdaulic Pump issue
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