Let do like this
After a long brake (winter) I finaly had new servos installed in almost complete empty shell. The positive is that new servos are stronger, easier to "hold" centre position on valve. They are a little bigger, did check that compared to hydraulic motor diameter, it should fit.
It did NOT, the lower connector to motor, it's screw hits the servo, making it impossible to get assembly in right place. The valve hits rear end of chassis, no margin there. After another hour trying to get in place I packed up.
It looks like model has his own life, trying to make it as hard as possible for builder.
As I see it today there's 3 options
1. replace servos to same as before
2. rebuild hydraulic connectors and valve position (not much room available before hitting cab floor, maybee a complete redesign of hydaulic system.
3. rebuild machine to electric drive
My interest in this model is dropping, after 11 years and say +2000h in it, not to mention the cost, it's to much to scrap (luckely I didn't have a big hammer today).
Will let it sitt there for a couple of days, then decide what to do.
/Dan