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Re: Please Help, adding live hydraulic pump to a Super W6

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12-27-2012 17:52:33

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Be careful of the direction of spin. A seal system on a hydraulic pump is always set so it has intake (suction) on it, not pressure. If the pump is turning backwards, it will leak. Also if the hydraulic system is not vented, less expensive pump seals will blow from moderate system pressure on the suction side. Best of luck. I would probably go with the 400 dollar option below. Freight needs to be looked at carefully, but it is a deal. Jim

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12-27-2012 19:12:27

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 Re: Please Help, adding live hydraulic pump to a Super W6 in reply to Janicholson, 12-27-2012 17:52:33  
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Aren't quite a few pumps bidirectional? Or is that only hyd motors?

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12-27-2012 19:47:36

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 Re: Please Help, adding live hydraulic pump to a Super W6 in reply to sflem849, 12-27-2012 19:12:27  
Some can be but the seals are usually not designed to take the high pressure side of the system. thus the end spacer plate and seal are usually on the outside of the end bushings. The space between the bushing and the seal is open (or ported) to the low pressure side to prevent seal blowout. Hydraulic motors are often designed much differently and often have substantial Oring seal systems. Jim

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