Toro 22317 Service Manual page 32

14. Install new o-rings into the grooves in the valve
bores (Fig. 0027).
15. Disassemble the relief valve and inspect it for wear
or damage. Avoid changing the location of the
pressure adjusting screw. Reassembly as shown
(Fig. 0028).
A. Relief valve
Toro Wheeled CUL Service Manual
IMG-0468a
Fig. 0027
A
IMG-0466a
Fig. 0028
ALL UNITS/GENERAL
16. Replace the o-ring on the pressure relief valve and
install it into the 4-spool valve housing (Fig. 0029).
17. Make an initial adjustment of the pressure relief
valve if the original setting was changed during
disassembly, or if the relief valve was replaced. The
initial adjustment of the pressure relief valve screw
should be 3/8" (9.5mm) from the shoulder of the
relief valve body (Fig. 0030).
A. 3/8" (9.5mm)
IMG-0469a
Fig. 0029
A
IMG-0470a
Fig. 0030
3/1-9