Help please

[cjg333]

I have a Kubota L2850 tlb and the clutch is starting to slip, I have the manual and it says that there is an adjustment bolt on the right side of the bell housing. It also says it is adjusted with a 6MM wrench but I can't seem to find that one. There is what appears to be an adjusting bolt there but not 6mm much larger.

If there is anyone outhere that knows of anything help would be appreciated, And oh yeh its a dual stage clutch. THANKS IN ADVANCE.
There sure is some good reading on this site.