3ph problem

/ 3ph problem #42  
oliver28472 said:
Dumb question, but what does the knob do?

At least on the machines with the "slow drop" lever, it shuts off the flow of hydraulic fluid, locking the 3ph in it's present position for servicing.
 
/ 3ph problem #43  
It does the same thing on the ones without the lever. But John Deere tells you to not depend on it, block the bush hog or whatever you are working on up, as it still could fall.
 

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