Posted by Owen Aaland on July 23, 2009 at 10:43:14 from (65.174.247.87):
In Reply to: 656 Hydro Problems posted by theponyroper on July 22, 2009 at 12:01:50:
Reverse only works in the same range as the lower part of the forward speeds. If you only have problems with the lever push to the forward half of the slot then working in reverse really doesn't tell you much. The lower half of the forward slot and reverse move only the hydraulic pump to control speed. The upper part of the forward slot changes the hydraulic motor displacement to very the speed.
The first thing you should do is get a couple of 1/4 inch steel JIC caps and cap off the two lines that come out of the transmission. That will separate the external part of the system from the internal parts. If everything works OK with the lines capped off the problem is in the external controls. Be careful though because with the caps in place the Foot-N-Inch pedal will no longer work.
One other thing that that Allan didn't mention that may be causing the problem is wear in the forward slot so the the lever is not kept far enough to the side.
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