Ford 960 update

grandpa Love

Well-known Member
Posted a while back about my 960 making a
terrible clunking noise while using the
sickle mower.Sounded like it was coming
from the front of the transmission. Took
shifter plate off and didn't see anything
loose or obvious wrong. Even with sickle
mower running. Noise was only heard with
pto engaged and under load. Pulled pto
shaft, looked fine. Last week I used the
960 to move our woods finish mower.
Figured I would cut grass while it was
hooked up. No noise? Tried the Bush
hog. No noise. Backed up to baler and
let it cycle 20-25 times. No noise. So
now I'm wondering if we didn't time the
sickle correctly when we had it apart
replacing sections and guards. Could that
cause a funny noise that would transfer
to the front of tranny? Just goes until
it hits the front wall? Everything was
fine until we did the sections and
guards. Thoughts? Plan to time mower
today. Was going to put it on the new
951 to see if it makes a funny noise.
But think we should check timing first.
 
Shouldn't have to re-time it because you changed a few sections.
And being out of time shouldn't cause any noise.

Sounds like maybe a rivet or bolt too long. Something hitting.
 
As noted, the issue may be in the mower. Using a bar in a U joint, turn it by hand until you have made several cycles and "feel" if anything makes impact noise. are the Ujoints in the PTO in phase with each other? Jim
 

bolt too long and hitting frame?

Did you use the high arch "hold downs" where the head rivets on?

is the blade hitting a guard or hold down somewhere?


SHould be able to spin the big pulley and run the blade/bar through a complete cycle with out it binding... to see if there is an obstruction....
 

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