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Bobcat Skidsteer Forums
General Bobcat Skidsteer Forum
Please help, dumb newbie mistake
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<blockquote data-quote="bobbie-g" data-source="post: 6776" data-attributes="member: 26"><p>Scott, as Ken and Tazza have said, the hydraulic pump drive belt is on the right end of the engine (as you stand behind the engine). The one on the left just runs the alternator and the fan. The drive belt on the right is about an inch thick, and is tensioned by an idler above the belt. Really hard to see in there, I usually pull the battery to give some access room. As Ken said, there are 2 or 3 clips (hang on to them when you pop them loose!) that hold the plastic shield in place. Once the shield is off, you can sort of access the belt and idler. The idler is tensioned by I think a spring, but for sure by a bolt coming down from the top, with a double nut arrangement. The belt should be pretty tight. There's a tool to use to check its tension, but for your initial troubleshooting purposes, just make sure the belt feels pretty tight. I agree, the most likely cause of your complete hydraulic system "failure" is a loose/broken belt, perhaps a broken tensioner. or maybe a tensioner that was not secured well and backed off. All the functions except the noise on that machine run off the main hydraulic pump, driven by this belt. It quits, and yer dead in the water all the way around. No bucket moves, no wheel drive, no arm lift, nothin'. --- I've never had a problem with an overfull hydraulic reservoir on my 751C causing a warning light, and I ran it over one day. --- Shoot me an email and I'll send my phone number we can talk you through some of this stuff in real time. ---Bob</p></blockquote><p></p>
[QUOTE="bobbie-g, post: 6776, member: 26"] Scott, as Ken and Tazza have said, the hydraulic pump drive belt is on the right end of the engine (as you stand behind the engine). The one on the left just runs the alternator and the fan. The drive belt on the right is about an inch thick, and is tensioned by an idler above the belt. Really hard to see in there, I usually pull the battery to give some access room. As Ken said, there are 2 or 3 clips (hang on to them when you pop them loose!) that hold the plastic shield in place. Once the shield is off, you can sort of access the belt and idler. The idler is tensioned by I think a spring, but for sure by a bolt coming down from the top, with a double nut arrangement. The belt should be pretty tight. There's a tool to use to check its tension, but for your initial troubleshooting purposes, just make sure the belt feels pretty tight. I agree, the most likely cause of your complete hydraulic system "failure" is a loose/broken belt, perhaps a broken tensioner. or maybe a tensioner that was not secured well and backed off. All the functions except the noise on that machine run off the main hydraulic pump, driven by this belt. It quits, and yer dead in the water all the way around. No bucket moves, no wheel drive, no arm lift, nothin'. --- I've never had a problem with an overfull hydraulic reservoir on my 751C causing a warning light, and I ran it over one day. --- Shoot me an email and I'll send my phone number we can talk you through some of this stuff in real time. ---Bob [/QUOTE]
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Bobcat Skidsteer Forums
General Bobcat Skidsteer Forum
Please help, dumb newbie mistake
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