Deere 1508 Rotary Cutter - Blades Hit

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What would cause the right wing blades to contact the center blades on our 1508 mower? It happens when the right wing is angled down. The tips of the blades will contact each other occasionally under the right conditions. I cannot believe they need to be "timed", as each
wing gear box has its own slip clutch. The hinges do have some slop, but not enough to cause the problem. The left wing blades have never
done this and that hinge is just as sloppy.
The other day when mowing and this happened, I did "time" the right wing to not hit the center blades by loosening the slip clutch, and
the problem did not return that day. I can't believe the problem won't return once the clutch slips again.....Am I missing something that
may be in the long lost manual?
Thanks!!
 

You're correct in "no timing of blades" required. I wonder if combined wear in wing hinge pins & cylinder linkage is allowing wing to lower too far? Does RH wing raise up 90°?
 
Tx Jim,

The lift linkage seems to be in good shape. This mower has latches that catch when the wings are up, and they do latch properly. When the blades do hit, the wing isn't necessarily at all that steep of an angle down. Mowing with the wing in a "normal" graded ditch will cause the problem. Sometimes....(depending if the blades line up).

You bring up a good point though, I will look the hinges and lift linkage over closer. Maybe something is "tweaked" or worn there I have not yet seen.

Thanks for the reply!
 

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