Toro 22317 Service Manual page 68

18. Remove the wear seal from inside the head (Fig.
0159).
19. Thoroughly rinse the inside of the head with a clean-
ing solvent. Rinse and clean all internal components
of foreign material with a lint-free rag.
20. Visually inspect for material defects and contamina-
tion. All seals and o-rings must be replaced with new
parts.
Note: Lubricate the head, piston and all seals with
10W-30 oil prior to installation.
Toro Wheeled CUL Service Manual
IMG-0341a
Fig. 0159
ALL UNITS/GENERAL
Head Assembly (Fig. 0160):
A B
A. O-ring
B. Flat back-up ring
C. Head
Piston Assembly (Fig. 0161):
A B C
A. Rod/Piston nut
B. Rod o-ring
C. Seal
C
D E
IMG-0342a
Fig. 0160
D. Wear Seal
E. Wiper Seal
D E F
IMG-0343a
Fig. 0161
D. Back-up seal
E. Piston
F. Wear ring
3/1-45