Toro 22317 Service Manual page 173

CHAIN DRIVE/HYDRAULICS
16. Using a 1-1/8" offset wrench, loosen the hydraulic
line nut from the front wheel motor fitting. Swing the
hydraulic line away from the counterbalance valve
so the lower rear counterbalance valve nut can be
accessed (Fig. 0549).
17. Using a 1-1/8" offset wrench, remove the hydraulic
line nut from the lower rear counterbalance valve
fitting (Fig. 0550).
4/2-4
Fig. 0549 DSC-0479a
Fig. 0550 DSC-0480a
18. Using a 7/16" wrench and socket, remove the nut
from the bolt securing the counterbalance valve to
the frame (Fig. 0551).
Toro Wheeled CUL Service Manual
Fig. 0551 DSC-0482a