We have been hearing a ticking sound for a while and our son was going to cut 12 acres of Fescue the other day and we thought let's put a new set of blades on it so it cuts clean for regrowth. Well as soon as he fired it up the noise was terrible. So after all the listening and checking we finally found the clicking noise, we starting hearing this last year. The 6th turtles blades are touching the 5th turtle. The old blades were worn off enough it really wasn't that bad but the new blades were really smacking it. So our neighbor that used to have a 1411 looked at and said it's your shock pro hub, you've hit something. Well we took it apart and the five splines on the shock hub are still intact. So we checked the play and noticed the 6th turtle turns about 10 degrees before the 5th turtle starts to move. Between the 6th and 7th turtle they have the normal amount of play like the rest of them. Today we took off the top cap with the bearing and bevel gear off and the bearing feels fine, the teeth look perfectly fine and the pinion gear inside the cutter bar shafts looks fine on both the 5th and 6th module. Our question is where is all this play coming from on the 6th module? Is there an adjustment because we don't see anything that would cause this and we're in new territory with this. All maintenance and oil changes has been done according to the manual, there was no water in either modules just oil.
If we set the shock pro hub one tooth out time it appears that the blades will not hit but that doesn't really solve the play/backlash issue. Really won't know until we reseal the bearing caps and torque everything properly.
I'm going to have upload the videos on YouTube because of the file size.
Blades on one turtle hitting another. NH H7220
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