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LX665 drive chains, brakes and hydraulic woes... oh my!
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<blockquote data-quote="lx665owner" data-source="post: 87859" data-attributes="member: 12559"><p>Hello all new to the forum, new owner of an lx665. Bought it with 2500.9 hrs needing work from a local landscape supply place, didnt run because of oil pressure switch failure. Repaired the known issues, found several that weren't told to me and am trying to figure out how to proceed. Problem 1: drive chains, noisy left hand drive. Opened both chain case covers to discover an oil/water mix resembling chocolate milk. Noticed damage to the front left chain (see pics) and noticed with worn out tires the wheel play is approx 1/2" more then the 1/4" allowed per the manual. cleaned it all up and began to examine brakes that didn't work (problem 2). The manual I found said you can adjust by moving axle assembly, but online i read that they are non adjustable. Looking at the axle assembly the hole doesn't look wallowed out to move for adjustment. I felt behind the axle assembly and there doesnt look to be a way to adjust there either. Once they go, they need to be replaced? If so, would you replace all 4 chains while I am in there? I am a motorcycle guy, it is common to replace all sprockets and chain together. Is that the case with skid steers? The sprockets look good from what I can see, although i cant inspect the splines until removing them, but assuming that is good is it ok to just replace the chains? Problem 2: no parking brake: The parking break button does nothing when pushed in, if up pull it up it goes half way through range of motion but never locks/clicks like a car parking break. The brake disks (think car rotors, as opposed to the friction disk think car brake pad) could be moved 1/4" in out on the shaft. Parking brake is over adjusted (to 5.5" spring height instead of 6", so i have to adjust that still. I am hoping that adjusting the spring height will allow me to move the brake in a full range of motion. I took apart the brake assembly on the noisy side to see what I could find. What are minimum thicknesses for wear parts like friction disk, brake disk spacer and outer cover/cap? See pictures, they have scoring on them, some spots better, some spots worse. It is ~$559 to replace all of these on both sides according to online prices that is why I am asking rather than just replacing. Problem 3: Hydraulics. i haven't been able to test the hydraulics yet, one of the left boom cylinder hoses had a hole. Also 2 of the front tilt cylinder hoses are on their last leg, they had been replaced once before and routed improperly. After scouring the web for images, I came across a few decent ones to let me study the hydraulics. I believe they have the cylinders swapped, placing the hose ports on the top of the cylinder closest to the bucket. The pictures have additional comments, this is the second time typing this up and posting as the forum ate my homework the first time!!!! [Session timeout] Grrrrrr Please take a look at the photos if you are familiar with the machine and let me know if I am on the right track. Also if you have additional insight into the wear items I am considering replacing, please let me know. The information is scarce in the manual i found online. The manuals I have found online are $300... ouch Photos here: http://imgur.com/a/jGkfN manual here: http://sampledl.s3.amazonaws.com/New_Holland_L565_Lx565_Lx665_Repair_Manual.pdf</p></blockquote><p></p>
[QUOTE="lx665owner, post: 87859, member: 12559"] Hello all new to the forum, new owner of an lx665. Bought it with 2500.9 hrs needing work from a local landscape supply place, didnt run because of oil pressure switch failure. Repaired the known issues, found several that weren't told to me and am trying to figure out how to proceed. Problem 1: drive chains, noisy left hand drive. Opened both chain case covers to discover an oil/water mix resembling chocolate milk. Noticed damage to the front left chain (see pics) and noticed with worn out tires the wheel play is approx 1/2" more then the 1/4" allowed per the manual. cleaned it all up and began to examine brakes that didn't work (problem 2). The manual I found said you can adjust by moving axle assembly, but online i read that they are non adjustable. Looking at the axle assembly the hole doesn't look wallowed out to move for adjustment. I felt behind the axle assembly and there doesnt look to be a way to adjust there either. Once they go, they need to be replaced? If so, would you replace all 4 chains while I am in there? I am a motorcycle guy, it is common to replace all sprockets and chain together. Is that the case with skid steers? The sprockets look good from what I can see, although i cant inspect the splines until removing them, but assuming that is good is it ok to just replace the chains? Problem 2: no parking brake: The parking break button does nothing when pushed in, if up pull it up it goes half way through range of motion but never locks/clicks like a car parking break. The brake disks (think car rotors, as opposed to the friction disk think car brake pad) could be moved 1/4" in out on the shaft. Parking brake is over adjusted (to 5.5" spring height instead of 6", so i have to adjust that still. I am hoping that adjusting the spring height will allow me to move the brake in a full range of motion. I took apart the brake assembly on the noisy side to see what I could find. What are minimum thicknesses for wear parts like friction disk, brake disk spacer and outer cover/cap? See pictures, they have scoring on them, some spots better, some spots worse. It is ~$559 to replace all of these on both sides according to online prices that is why I am asking rather than just replacing. Problem 3: Hydraulics. i haven't been able to test the hydraulics yet, one of the left boom cylinder hoses had a hole. Also 2 of the front tilt cylinder hoses are on their last leg, they had been replaced once before and routed improperly. After scouring the web for images, I came across a few decent ones to let me study the hydraulics. I believe they have the cylinders swapped, placing the hose ports on the top of the cylinder closest to the bucket. The pictures have additional comments, this is the second time typing this up and posting as the forum ate my homework the first time!!!! [Session timeout] Grrrrrr Please take a look at the photos if you are familiar with the machine and let me know if I am on the right track. Also if you have additional insight into the wear items I am considering replacing, please let me know. The information is scarce in the manual i found online. The manuals I have found online are $300... ouch Photos here: http://imgur.com/a/jGkfN manual here: http://sampledl.s3.amazonaws.com/New_Holland_L565_Lx565_Lx665_Repair_Manual.pdf [/QUOTE]
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LX665 drive chains, brakes and hydraulic woes... oh my!
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