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Bobcat Skidsteer Forums
General Bobcat Skidsteer Forum
Going to pick up an old 632
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<blockquote data-quote="Hotrod1830" data-source="post: 119828" data-attributes="member: 4331"><p>If all of the hydro valves are open(i.e. sticks in neutral and pedals in neutral), you are only moving fluid while cranking. There should not be enough resistance to keep an engine from starting. Yes, there will be <em>some</em> resistance, but not to the point you are blaming it on a slow crank concern. You should be able to turn the pump by hand. It wont be easy. Keep in mind you are turning 2 tandem pumps and a hydraulic pump at the same time. The measurement should be in inch/pounds, not lb/ft of torque to rotate. </p><p>By now you have the engine out and if in doubt, should have rotated the engine by hand and verified the engine is free to turn. If you did not find a seized or spun bearing, fluid/ rust in the cylinder or something just plain not right, then it probably isnt the root cause to the slow crank. </p><p></p><p>The pumps can be separated, and rotated separately. You can also remove the hydraulic filter and cut it apart to look for metal debri. keep in mind a small amount of metal is normal in the filter. If you have trouble finding it, it is probably normal. If it is the first thing you see, then probably not.</p></blockquote><p></p>
[QUOTE="Hotrod1830, post: 119828, member: 4331"] If all of the hydro valves are open(i.e. sticks in neutral and pedals in neutral), you are only moving fluid while cranking. There should not be enough resistance to keep an engine from starting. Yes, there will be [I]some[/I] resistance, but not to the point you are blaming it on a slow crank concern. You should be able to turn the pump by hand. It wont be easy. Keep in mind you are turning 2 tandem pumps and a hydraulic pump at the same time. The measurement should be in inch/pounds, not lb/ft of torque to rotate. By now you have the engine out and if in doubt, should have rotated the engine by hand and verified the engine is free to turn. If you did not find a seized or spun bearing, fluid/ rust in the cylinder or something just plain not right, then it probably isnt the root cause to the slow crank. The pumps can be separated, and rotated separately. You can also remove the hydraulic filter and cut it apart to look for metal debri. keep in mind a small amount of metal is normal in the filter. If you have trouble finding it, it is probably normal. If it is the first thing you see, then probably not. [/QUOTE]
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Bobcat Skidsteer Forums
General Bobcat Skidsteer Forum
Going to pick up an old 632
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