4-Spool Valve Replacement; 4-Spool Valve Removal - Toro 22317 Service Manual

4-Spool Valve Replacement

4-Spool Valve Removal

Note: Upon removal, all seals, o-rings and gaskets
should be replace. During installation, lightly
lubricate all seals, o-rings and gaskets with
clean petroleum jelly prior to assembly.
1. Remove the 4 screws retaining the cover plate
around the 4-Spool Valve (Fig. 0574).
2. Remove the cover plate (Fig. 0575).
Toro Wheeled CUL Service Manual
CHAIN DRIVE/HYDRAULICS
Fig. 0574 DSC-2852a
Fig. 0575 DSC-2850a
3. Remove the bolt and lock washer securing the left
control arm to the 4-spool valve. Remove the left
control arm (Fig. 0576).
4. Loosen both the hydraulic line nuts on the hydraulic
line with the test port fitting (Fig. 0577).
Fig. 0576 DSC-2849a
Fig. 0577 PICT-9994a
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