Toro 22317 Service Manual page 191

CHAIN DRIVE/HYDRAULICS
19. Tighten the 3 bolts securing the 4-spool valve to the
spacer blocks and the 3 bolts securing the 3 spacer
blocks to the control panel (Fig. 0616).
20. Install the filter return line to the fitting on the right
hand side of the 4­spool valve (fitting was previously
left loose. After the hydraulic line is installed, tighten
the fitting (Fig. 0617).
4/2-22
Fig. 0616 DSC-2730a
Fig. 0617 DSC-2841a
21. Position the test port hydraulic line to the selector
valve fitting and the fitting on the left side of the
4-spool valve. Install the two hydraulic line nuts to
secure (Fig. 0618 and Fig. 0619).
Note: The fitting on the selector valve may need to
be loosened to position the hydraulic hard
line. If loosened, tighten it and the fitting on
the left hand end of the 4-spool valve that was
previously left loose.
Toro Wheeled CUL Service Manual
Fig. 0618 DSC-2844a
Fig. 0619 DSC-2845a