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  #1  
Old 01-14-2019, 08:46 PM
Twincreek Twincreek is offline
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Default Hydro Release Valves

Hi everyone. I am restoring an 882 Diesel that had been sitting a few years. I have it running but ran into an issue. With it running the hydro release valves were not leaking. Then one time I started it and both were leaking like a sieve. I took one out looked at it and put it back in. Started it up and neither was leaking. Is it possible they can stick? Can you spray them out with brake cleaner, carb cleaner, WD40 etc. or do they have to be replaced or rebuilt? Or do I have another problem?
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Old 01-14-2019, 08:55 PM
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Quote:
Originally Posted by Twincreek View Post
With it running the hydro release valves were not leaking. Then one time I started it and both were leaking like a sieve.
This is confusing. It does not leak when running, and does leak when the engine is cranking to start?

Is this what you mean?


If they are leaking any at all out the top then they need replacing. They can be rebuilt but I prefer to just replace them.
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Old 01-14-2019, 08:58 PM
Twincreek Twincreek is offline
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They started leaking bad while I was cranking the tractor to start it (it was cold). Once the tractor started they continued to leak. I shut off the tractor, took one out, put it back and started it again. Now no leak. It did this once before.
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Old 01-14-2019, 11:33 PM
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It's cold, and the small "O" rings are worn/cracked/brittle from the years of usage. they might reseal but in the end, they will need attention.
So you can have them rebuilt by the fellow on ebay, or buy new for big $$$$$$$
or wait and replace them when they start leaking again, usually at a inopportune time
your call.
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Old 01-15-2019, 06:46 AM
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Send them to Mark at http://www.machtechdirect.com/ problem solved.
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Old 01-15-2019, 08:28 AM
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Send them to Mark at http://www.machtechdirect.com/ problem solved.
Thanks Sam I didn't remember his web address, and it was past my bed time.
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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.

MTD Products, Inc. of Cleveland, Ohio purchased the Cub Cadet brand from International Harvester in 1981. Cub Cadet was held as a wholly owned subsidiary for many years following this acquisition, which allowed them to operate independently. Recently, MTD has taken a more aggressive role and integrated Cub Cadet into its other lines of power equipment.

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