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  #1  
Old 11-26-2018, 01:10 PM
neilh419 neilh419 is offline
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Default 1641 Again

Hey All!

I've been mowing with the 1641 all summer/fall since getting it running well earlier in the summer. It had been running like a champ! Last mowing I was going up a hill and heard a whirring sound, and then she just... stopped moving. I'm not sure what it is, but it's been in my backyard for a couple weeks. Starts, and runs great, but now nothing when moving the handle. Could be a Hydro pump. All that being said, I'm not going to have time to mess with it this year. Three kids under six, one on the way, and getting the house wrapped up to move in the near future, leave me out of time. I'm thinking of listing it on Craigslist, or Facebook for sale. The guy that helped me fix it the last time, mentioned he'd be interested in the motor for 300.

I just thought before I did that, I'd ask what you guys think is a good price? Thanks in advance!
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Old 11-26-2018, 01:37 PM
R Bedell R Bedell is offline
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From what you describe, it sounds like something in the Drive Train let go. Time to pull the Tunnel Cover and do an inspection.
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Old 11-26-2018, 01:48 PM
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cooperino cooperino is offline
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I would not be so quick to sell it.. Have you checked the fluid? like Roland said. Take off the cover and look for something obvious.
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Old 11-26-2018, 04:01 PM
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sorner sorner is offline
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Is the hydro release lever pulled up, or even the little button on the bottom of the pump that the lever contacts maybe stuck in? I've jumped on a 1641 before in a hurry and forgot that the lever was pulled up and it moved until I got to a small incline, whined, and then it stopped. I realized what I had done, and put it down and away it went.
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Old 11-27-2018, 06:26 AM
bugeye bugeye is offline
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Have the CV joints in the driveshaft been greased? If not, the center of the CV joint and splines will wear and no longer spin the pump. With the tunnel cover off, verify the driveshaft is spinning. Careful around the spinning fan.
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Old 11-27-2018, 10:48 AM
neilh419 neilh419 is offline
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I've checked the release lever. But I haven't double checked on the driveshaft spinning. Where it's sitting, it's been a bit difficult. I'll have to get a trailer and get it to garage, and I could have a quick look. When it was worked on earlier this year, he had problems with it moving, after working on the engine. But it's been fine all summer. I'd love to keep it going, it's the mower I grew up using, but time is a valuable commodity these days.
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Old 11-27-2018, 11:05 AM
R Bedell R Bedell is offline
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Quote:
but time is a valuable commodity these days.
So is Money. Your time might well be worth it.

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Old 04-23-2019, 09:01 AM
neilh419 neilh419 is offline
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I got it on a trailer, and into a garage (I don't have one) late last November. Pulled the tunnel cover off. it does appear that the hydro release button? was stuck in. I've gotten it released, but still a no go. The drive shaft spins, but the fan does not when running.
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Old 04-23-2019, 09:10 AM
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sorner sorner is offline
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The fan is on the driveshaft. Is the shaft turning inside the hub that goes to the transmission? The fan is bolted to that hub. It sounds like maybe the shaft splines are gone.
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Old 04-23-2019, 09:17 AM
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Sam Mac Sam Mac is offline
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Quote:
Originally Posted by sorner View Post
The fan is on the driveshaft. Is the shaft turning inside the hub that goes to the transmission? The fan is bolted to that hub. It sounds like maybe the shaft splines are gone.
What he said. Shaft probably was never greased and it chewed to splines off the shaft.
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Cub Cadet is a premium line of outdoor power equipment, established in 1961 as part of International Harvester. During the 1960s, IH initiated an entirely new line of lawn and garden equipment aimed at the owners rural homes with large yards and private gardens. There were a wide variety of Cub Cadet branded and after-market attachments available; including mowers, blades, snow blowers, front loaders, plows, carts, etc. Cub Cadet advertising at that time harped on their thorough testing by "boys - acknowledged by many as the world's worst destructive force!". Cub Cadets became known for their dependability and rugged construction.

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