blowing PTO fuse while mowing

[freddymac63]

My Kioti DS4110 keeps blowing the PTO fuse after an hour or so of mowing. If I replace the fuse it immediately blows it again. If the I let the machine cool off for a couple hours she'll mow 30-45 minutes before blowing the same fuse. Hydraulic oil is clean and full. I replaced the PTO switch several hundred hours ago and should probably do it again.

Any thoughts on what's going on?

 

[bigtiller]

I would look real close for a chaffed wire or a loose ground.

 

[oldnslo]

Can you access the coil connection on the PTO engagement valve? If yes use an ohm meter to check coil resistance cold and then when gets hot and blows the fuse. Possible coil is heating up and shorting out internally.

 

[Williy]

Deffently sounds like a short. Usually when a coil gets hot it
would normaly open when there bad?? caps are great for that
Any wires where there's heat or loose so they could ground out?


willy