tranny trouble

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mjwhalen

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Mike whalen
why does it take so long for my cub to back up or go forward when I first start it ? Hydro fluid is full
 

balbrecht

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Brian Albrecht
Mike,
What model are you working with? The hydro fluid may be full, but when was the last time the filter and hydro fluid where changed? Does it have the correct fluid in it? I've brought stuff home before with god knows what in it instead of Hytran. I've also had some hydros with a little lag in them when they first moved from a cold start (just a second or so where the reaction seemed a little slow), but nothing that would stand out as a problem.
 

mjwhalen

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Mike whalen
Model is a 129 The first thing I did was change the filter and add Hytran from the cub dealer they had some in a 55 gal. barrel yet. Made no difference . Not sure when I changed all the fluid last maybe 4 or 5 years ago the fluid that came out of the filter looked like new and didnt smell .
 

Mark Evans

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Perryton, Tx 79070
Go through the adjustments on shifting lever and look for slack in all fittings !!! My 782 goes 13 mph forward, and 5 in reverse both seem a little on the to fast at full speed !!!
 

balbrecht

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Well, sounds like you already did the obvious stuff. The description of the problem makes it sound like there is a pressure/flow problem. There are not many things that can create that kind of problem. The easy one is the filter and fluid. After that you could look at the bypass valves on the top of the transmission, and then the last item would be wear in the pump itself.
 

Mark Evans

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Perryton, Tx 79070
When you change filter open back case and wipe down insides and clean pickup screen and check pomp tube for and leakage and seal to pump, the pressure test pump and bypass psi !!! At idle and full throttle !!!!
 

tkhoffman

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Tony Hoffman
When you change filter open back case and wipe down insides and clean pickup screen and check pomp tube for and leakage and seal to pump, the pressure test pump and bypass psi !!! At idle and full throttle !!!!
Question about Pump Tube. My 782..is that a simple tube with flared fitting on ends? Mine shows a drop of fluid on it all the time. I wanted to understand it before putting a wrench on it.
 

mgonitzke

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Matt Gonitzke
Question about Pump Tube. My 782..is that a simple tube with flared fitting on ends? Mine shows a drop of fluid on it all the time. I wanted to understand it before putting a wrench on it.

If I remember right, flared fitting on the pump end, and the transmission end is a compression fitting.

Note that the cork gasket between the hydro unit and the transaxle is a common leak point, and may actually be the source of your continual drop of Hytran.
 

tkhoffman

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Tony Hoffman
If I remember right, flared fitting on the pump end, and the transmission end is a compression fitting.

Note that the cork gasket between the hydro unit and the transaxle is a common leak point, and may actually be the source of your continual drop of Hytran.
thanks for info. I gotta clean the area, park on level ground and watch closely.
 

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