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#1
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1862 with Failed Hydraulic System
Hi, everyone –
I have an early (1990) model 1862. Recently, the hydraulic system failed completely. The hydro trans does not respond to the speed control lever. The lever moves freely between forward and reverse, but the Cub does not move. The power steering is not functional; the wheels turn, but mighty hard. The implement lift cannot be raised. The failure was sudden, not gradual. There was no unusual noise or vibration. There is no sign of fluid leakage under the tractor, and the fluid dipstick level reads ‘full.’ I believe the common denominator is the hydraulic system. Some other background information: The tractor was recently in the shop of a Cub Cadet dealer because it wouldn’t start. Their diagnosis was engine wear resulting in extremely low compression. Their solution: an engine transplant. The Magnum-18 was replaced with a Briggs 23 HP Vanguard model 386447. While the tractor was there, they also repaired a hydro fluid leak coming from the area behind the dash-panel implement lift lever. They replaced one of the metal hydraulic fluid lines that run from the lift valve to the hydraulic cylinder. After the Cub was returned to me, I mounted my model 451 snow blower and noticed that the belt tension was tighter than I remember from previous seasons. Upon engaging the snow blower augers, there was a loud ‘screeching’ noise. I immediately shut the tractor down, then ordered and installed a new belt that is 2” longer than the original one. It appeared that the new engine was mounted so that its front PTO pulley was now about an inch further from the snow blower’s pulley than before. The longer belt seemed to solve the problem; the noise is gone and the belt tension seems about normal. Just before the hydraulic failure, I took the Cub out of the garage and had been blowing 4-5 inches of snow for about 10 minutes. Everything worked fine. That’s when the failure occurred. One other thing – from the time the tractor was returned by the dealer until the hydraulic failure, I drove it exactly 1.5 hours over a period of five weeks. I experienced no major problems. The tractor is now sitting out in the driveway. Since I can’t move it and we can get more snow until about mid-May, that’s where it’ll stay for a while. So, here are my questions: 1. Have any of you experienced this kind of failure with your Cubs? 2. If so, what was the culprit and is the repair a big deal for a non-mechanic? 3. If not, can you offer any information, advice, or guesses? Thanks in advance for any help, and for staying awake through this! Jon |
#2
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Is the driveshaft turning?
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Up to 530 and counting... I give up updating my profile! |
#3
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Busted pin in the driveshaft.
Common failure |
#4
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Well the shaft is splined so no pins, but there is a pin in the charge pump.
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Up to 530 and counting... I give up updating my profile! |
#5
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Hey Jon, well dang it on the 1862. It is going to take some exploring on your part to begin to sort out what is happening. I have no guesses at this point but I would get the tractor where you can begin to look at it. Can you get it out of the driveway and somewhere where you can start pondering, garage, shed, closer to some tools? You can push it or pull it, just do it slowly. Am sure the folks here can get you pointed in a good place to start.
Ken |
#6
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First determine if the pump input shaft is turning. If yes, then see if the swash trunnion shaft is turning with the control plate. Is the linkage from the control lever connected to swash control plate?
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#7
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Can you post some pics of the dealer installed engine? Like the others have said, I'm thinking that maybe they didn't get something right with the install and now you have a failed drive hub or pump adapter. This would cause your pump not to run giving you the symptoms you describe.
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This ain't no hobby....it's an addiction |
#8
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I can't figure out how to link to my own threads, however. If you look at
the last post in 1862 major repairs finally the last 2 pictures will show you how the drive shaft is connected on both ends. If the new engine sits differently then the original one did. Something in the drive shaft would of had to been changed as well. good luck Ken |
#9
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'70 107 with k301 engine swap '71 106 with 38" deck '70 147R with factory replacement k321, 42" deck '61 Original with 38" timed deck '63 70 "pinkie" 1863 with 54" deck '46 Farmall H, '50 Farmall Cub 105 x2 (parts) |
#10
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Quote:
Thank for doing it for me. Ken |
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