Leaking hydraulic line in the 149
 

I thought I had a oil leak at the rear main seal but it was really a hydraulic leak in the line running to the implement lift cylinder. It looks like it has finally rotted after 30 years. What is involved in replacing these lines? It looks pretty straight forward but..........I could be missing something here. Any advice?

It's as easy as it looks. Just bleed the hydraulic cylinder before you unbolt it just in case it has any pressure. With the tractor off just push and pull the lift handle a couple times to bleed the pressure. When you start it just cycle the lift handle and recheck the fluid level.