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Old 11-04-2009, 05:42 AM   #1 (permalink)
RVP
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Join Date: Nov 2009
Location: Calgary, Alberta
Posts: 2
Default Satoh S650G hydraulic lift is very slow

My Satoh S650G hydraulic's on the 3 point hitch is moving very slow (it is taking 20 seconds to respond after the hydraulic lift lever is fully engaged) What is the problem and how can I speed it up?

I added hyd. oil after pulling the filter screen to see if it was plugged (it was reasonably clean) and low oil was evident (I was told this is where you drain the oil if changing it - Is this the case or is there another plug? I was also told the hydraulic and the tranny have separate compartments on the S650G is this correct?

What type of oil should I use? Is an all season hyd. oil better for winter use - I'm in Canada - How much oil does the hyd. compartment hold and where is the over full plug so I can tell when sufficient oil is in the compartment?

After filling what I thought was the right amount, a "foamy white" oil was sent through the breather plug under the tractor seat. Is this from over filling and why is it foamy, to much pressure?

Eventually the foamy oily mesh subsided but the hyd. lift remains very slow to react (still 20 seconds to react and slow lifting). The speed control adjustment knob under the front of the tractor seat only helped adjust the drop speed and I set it to about the 1:00 o'clock position.

I have added oil in the past but where has this oil gone? There looks like a slow leak near the front tractor hyd. pump but not any great amount on the ground under this area, could it be leaking into another compartment? There also seams to be a leak around the base of the steering column, but I think this is unrelated.

Any advice and help is greatly appreciated.
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Old 11-04-2009, 10:29 PM   #2 (permalink)
mit
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Join Date: May 2007
Posts: 338
Default Re: Satoh S650G hydraulic lift is very slow

Satoh Parts
Satoh Parts
http://www.satohparts.com/images/Par...aulic-Filter.g
Valley Power
try these links you may get your questions answered.
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Old 11-07-2009, 10:57 AM   #3 (permalink)
RVP
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Location: Calgary, Alberta
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Default Re: Satoh S650G hydraulic lift is very slow

Thanks
I did talk to Valley Power and they have given me some tips as to the potential problems. It look like the pump assembly at the front of the tractor is leaking (I may need a new pump) and the coupling driving the pump may be slipping on the shaft.
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