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Plumbing a solenoid valve for PC50 excavator thumb
3

Plumbing a solenoid valve for PC50 excavator thumb

Plumbing a solenoid valve for PC50 excavator thumb

(OP)
    I have a Komatsu PC50, 12,000# excavator.  There is a foot control valve that operates the offset for the boom and I would like to plumb a solenoid valve to run a ram for the thumb or the offset alternately off the same in/out lines currently on the offset ram.  I think I need a two way, two port valve but I am having trouble finding the right one amongst all the valves out there.  Can anybody help?

RE: Plumbing a solenoid valve for PC50 excavator thumb

Look at the Cross SD4 (Manual) or SD5 (Solenoid Operated) diverter valve to see if this is what you are asking for.

http://www.crossmfg.com/valve.html

Bud Trinkel, Fluid Power Consultant
HYDRA-PNEU CONSULTING

RE: Plumbing a solenoid valve for PC50 excavator thumb

You need a two-position six-port valve.  Two position to select side shift or thumb.  Two ports for system in-out from the foot valve output, two ports for the side shift, two ports for the thumb.  The side shift and thumb both have double-acting cylinders.

Or consider a thumb/tilt kit from HKX: http://www.hkx.com/cms/images/stories/products/componentpdfs/thumbtiltflyer.pdf

Ted

RE: Plumbing a solenoid valve for PC50 excavator thumb

(OP)
  Thank you very much to Bud and Ted both for steering me towards the right part

RE: Plumbing a solenoid valve for PC50 excavator thumb

I just did this on a pc50. I found a solenoid diverter valve from surplus center that worked. If you have any questions let me know.

Phil

RE: Plumbing a solenoid valve for PC50 excavator thumb

(OP)
Thank you sir, I found a new valve.  Cost over 300 bucks and I still haven't plumbed it in, if I could just plan a little down time...

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