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Re: 806 IHC
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Posted by K.B.-826 on September 26, 2006 at 16:28:17 from (68.115.105.140):
In Reply to: 806 IHC posted by Elvin on September 26, 2006 at 11:06:57:
Chadd's got it right. Most likely a problem in your MCV (Multiple Control Valve) or MCV pump. The MCV controls steering, brakes, the TA, and transmission lubrication. Since the direct drive clutch pack in the TA uses hydraulic pressure to lock up, it will unlock and cause your tractor to stop moving when the pressure drops. I can tell from this that the low side of your TA is out, since the mechanical sprauge clutch for the low side requires no hydraulic pressure. If you've got a couple thousand bucks to throw at this tractor, I'd recommend installing a new TA, a new MCV pump, and rebuilding the MCV valve.
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