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New Holland Skidsteer Forum
NH LX665 won't maintain high rpms (drops even with throttle full on)
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<blockquote data-quote="bengarland" data-source="post: 30277" data-attributes="member: 3251"><p>I got a fuel/water separator filter today but wasn't able to get the old one off, so I'm still not sure if this will make a difference... will have to wait until I can get a filter wrench. The NH dealer didn't show a part in their computer for the smaller inline filter, so I guess I'll have to take it off and show it to them next week. I checked the air filter(s) and it looks fairly clean but I'm going to replace it next week, too, just to be sure it's not the problem. Today I did a few tests. I cranked up the skid steer and let it idle for 15 minutes to warm up. Then I tried moving the throttle to full and it still had the same problem. I pulled the throttle back down and then slowly inched it up. First I let it sit at 2000 rpm for 5 minutes, no problem. Then 2200 rpm for 5 mins, no problem. Kept going in 200 rpm increments for 5 minutes and got all the way up to 2800 rpm. Once I tried to go past that, up only 100 rpm to 2900 rpm, then after about 20 seconds it ramped itself back down to 2400 rpm. So it seems like the problem is somewhere in the 2800+ rpm range. It's showing 1000 rpm when all the way down to idle, and 3190 rpm when full on (before it ramps itself down). Does anyone know if this is within specs? Not sure if that helps narrow it down, but I figure if it was a fuel problem or air filter problem it would show up at the lower rpms, too. Could it have something to do with the turbo? Thanks, Ben</p></blockquote><p></p>
[QUOTE="bengarland, post: 30277, member: 3251"] I got a fuel/water separator filter today but wasn't able to get the old one off, so I'm still not sure if this will make a difference... will have to wait until I can get a filter wrench. The NH dealer didn't show a part in their computer for the smaller inline filter, so I guess I'll have to take it off and show it to them next week. I checked the air filter(s) and it looks fairly clean but I'm going to replace it next week, too, just to be sure it's not the problem. Today I did a few tests. I cranked up the skid steer and let it idle for 15 minutes to warm up. Then I tried moving the throttle to full and it still had the same problem. I pulled the throttle back down and then slowly inched it up. First I let it sit at 2000 rpm for 5 minutes, no problem. Then 2200 rpm for 5 mins, no problem. Kept going in 200 rpm increments for 5 minutes and got all the way up to 2800 rpm. Once I tried to go past that, up only 100 rpm to 2900 rpm, then after about 20 seconds it ramped itself back down to 2400 rpm. So it seems like the problem is somewhere in the 2800+ rpm range. It's showing 1000 rpm when all the way down to idle, and 3190 rpm when full on (before it ramps itself down). Does anyone know if this is within specs? Not sure if that helps narrow it down, but I figure if it was a fuel problem or air filter problem it would show up at the lower rpms, too. Could it have something to do with the turbo? Thanks, Ben [/QUOTE]
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NH LX665 won't maintain high rpms (drops even with throttle full on)
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