Toro 22317 Service Manual page 30

9. Remove the 3 check valves from the valve body
(Fig. 0022).
10. Remove check valve located on the bottom of the
valve body (Fig. 0023).
Toro Wheeled CUL Service Manual
IMG-0451a
Fig. 0022
IMG-0452a
Fig. 0023
ALL UNITS/GENERAL
11. Remove the plug from the valve body (Fig. 0024).
12. Remove the 8 o-rings from the valve ports (Fig.
0025). Check the o-rings for cuts and/or chafing.
If there are signs of damage, the spools may be
damaged and need replacing. Discard the o-rings
after inspection.
13. Flush and clean the valve housing with a cleaning
solvent and air dry. Inspect the valve and valve
components. Replace if nicks, scratches, wear, or
contamination are present.
IMG-0455a
Fig. 0024
IMG-0456a
Fig. 0025
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