Toro 22317 Service Manual page 69

ALL UNITS/GENERAL
21. Twist the wear ring into a "C" shape and allow it to
snap into the inside groove of the head (Fig. 0162).
Note: The groove in the seal faces toward the barrel
side of the head.
22. Install the wiper seal so that the lip of the seal is
installed in the groove inside the head (Fig. 0163).
3/1-46
IMG-0347a
Fig. 0162
IMG-0348a
Fig. 0163
23. Install the flat back-up seal into the deepest groove
in the head. The flat back-up seal is installed against
the ram side of the groove (Fig. 0164).
24. Install the o-ring into the deepest groove in the head
next to the back-up seal. The o-ring is installed on
the barrel side of the groove (Fig. 0165).
Note: If possible, the head/seal assembly should
sit for at least one hour to allow the seals to
elastically restore.
Toro Wheeled CUL Service Manual
IMG-0349a
Fig. 0164
IMG-0350a
Fig. 0165