dougcat
Member
- Joined
- Jul 29, 2017
- Messages
- 29
- Location
- White Hall, MD
- Tractor
- 2004 NH tc25, NH 3045, Exmark Z 60" and 72 (35hp), Bobcat t590, JD GT245, Kubota 3060 4X4 (60"-72" deck)
I bought a F3680 4400 hrs for other items but decided to look into why no start and lots of smoke. Compression test cyl 1-360 cyl 2-80 cyl 3-310 cyl 4-0. I removed the valve cover and discovered cyl 4 was missing some hardware. Not sure what caused the rocker arm shaft to snap and bracket to fracture along with that the rocker arm and push rod were damaged and removed by previous owner.
Not sure what the cause or sequence of failure was any thoughts? I have access to a complete rocker arm assembly so replacing it is a possibility and maybe resolve cyl 4 compression reading but what about cyl 2 @ 80? Obviously, cyl 4 is an issue I wasn't able to see any obvious signs of valve stem related items when comparing. Not sure how deep I want to go I didn't need an engine any thoughts? Thanks
Thanks
Not sure what the cause or sequence of failure was any thoughts? I have access to a complete rocker arm assembly so replacing it is a possibility and maybe resolve cyl 4 compression reading but what about cyl 2 @ 80? Obviously, cyl 4 is an issue I wasn't able to see any obvious signs of valve stem related items when comparing. Not sure how deep I want to go I didn't need an engine any thoughts? Thanks
Thanks
