Xmark 72in deck HELP

T

twoskinny

Forum Newbie
We have 4 xmark's
1- 2001, 2- 2010, 1-2019.
All have 72 in mowing decks. My issue is on the 2019 we keep breaking a pully bolt on the stationary pully (pully idler, flat) on the right side of the mower deck as you are sitting in the seat. None of the older mowers are having this issue. We replaced the bolt twice, with in two days. Down for parts then the pully and new bolt end of seaon. And now it broke again, second mow of the season. Any HELP would be much appreciated
 
Um something obviously is causing a bolt to shear. I would investigate why first prior to say installing a bigger fuse in the electrical world. Maybe you got a run of bad bolts? Never heard of that one yet.
 
slomo said:
Um something obviously is causing a bolt to shear. I would investigate why first prior to say installing a bigger fuse in the electrical world. Maybe you got a run of bad bolts? Never heard of that one yet.
Click to expand...
Agreed one bolt, hummm. Multiple bolts, NOPE. There is an undo amount of stress on the bolt. That means there is more stress on the system. Something is out of spec, and it shouldn't be a in production bolt.

Remove your belts and start spinning things by hand and look for bent out of alignment brackets.
 
twoskinny said:
We have 4 xmark's
1- 2001, 2- 2010, 1-2019.
All have 72 in mowing decks. My issue is on the 2019 we keep breaking a pully bolt on the stationary pully (pully idler, flat) on the right side of the mower deck as you are sitting in the seat. None of the older mowers are having this issue. We replaced the bolt twice, with in two days. Down for parts then the pully and new bolt end of seaon. And now it broke again, second mow of the season. Any HELP would be much appreciated
Click to expand...
if it were mine I would put like a grade #5 bolt in it,hardened
 
lil SIG said:
Agreed one bolt, hummm. Multiple bolts, NOPE. There is an undo amount of stress on the bolt. That means there is more stress on the system. Something is out of spec, and it shouldn't be a in production bolt.

Remove your belts and start spinning things by hand and look for bent out of alignment brackets.
Click to expand...
Unbalanced blades. People using high speed grinders trying to sharpen blades up.
 
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