Toro 22317 Service Manual page 567

4-PAW DIESEL/ENGINE
12. Position the hose clamp and tighten to secure (Fig.
1971).
13. Slowly add a 50/50 mixture of water and permanent
ethylene coolant to the filler neck of the radiator (Fig.
1972).
6/4-100
Fig. 1971 DSC-1563a
Fig. 1972 DSC-1565a
14. Add coolant up to the cold fill line on the reservoir
bottle.
15. With the radiator cap off, start the engine and let
it run in a well ventilated area until the thermostat
opens. When the thermostat opens the coolant
mixture will begin to flow through the radiator.
16. Add more coolant into the radiator so the top of the
radiator cores are covered with coolant (Fig. 1973).
17. Shut engine off and let engine cool. Remove the key.
18. Add more coolant mixture until the level is to the filler
neck (Fig. 1973).
19. Install the radiator cap (Fig. 1974).
Toro Wheeled CUL Service Manual
Fig. 1973 DSC-1565a
Fig. 1974 DSC-1566a