Posted by jimb2 on August 27, 2009 at 19:41:33 from (99.240.236.11):
In Reply to: Need info for Int. 784 posted by Datractorman1 on August 26, 2009 at 23:04:54:
Hi 784, should have a hydraulic T/A operated by a lever(looks sames as throttle lever) on the left side of steering column. Forward is direct drive (Hi) and back towards seat is Lo drive. The only adjustment on the T/A is the hydraulic pressure on the HI side clutch pack. My brother has a 684, same as 784 (but 784 has larger engine), it would do as you described when you let the clutch out it would not start moving or move slowly and then go normally. To make a long story short, we changed the clutch but did not fix the problem, then when you turned off the engine with tractor on a slope and transmission in gear the tractor would roll down the slope without turning the engine over. He had T/A replaced with T/A eliminator kit and problem was fixed. Examining the removed parts from T/A it would appear that the hydraulic pump that powers the clutch pack for the T/A was clogged up with junk from the chewed up parking brake band. Engine is a German Diesel and will last a long time(15,000 or more hrs) with regular maintenance. It should not be sluggish, check for clogged air and fuel filters or junk in bottom of fuel tank restricting fuel flow.
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