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speed drop lock valve

Bakerm Join Date: Aug 2013 Posts: 2 Vashon, Washington

2013-08-14          187849

I just bought a used 160 hours JD 4100. It doesn't look like PTO has ever been used, and speed drop/lock valve won"t turn, and lift arms don"t respond to appropriate operation lever. Any suggestions? (Tractor only as a bucket and to my knowledge never used a rear mower or under body mower.) Thanks, Martin

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speed drop lock valve

Murf Join Date: Dec 1999 Posts: 7249 Toronto Area, Ontario, Canada   Pics

2013-08-14          187852

If it has not been used in a long time it's likely just stuck from not being turned. The last person who closed the valve mail also over tightened it. If both of those, applyit will be terribly difficult to open the valve.

I would suggest a trick I used before with success. Wrap a rag around the control knob and make several passes around the knob, then take the end of the rag and grip it tightly with a pair of vise grip pliers and use the vice grips as leverage against the stem to turn the knob.

This will grip far tighter than you could by hand.


Best of luck. ....

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