Radiator Screen - Toro Z580-D Z Master 74266 Operator's Manual

1. Position the machine on a level surface, stop the
engine, and set the parking brake.
2. Unlatch the seat and tilt the seat up.
3. With the engine cool, check the overflow bottle level.
The fluid needs to be up to the bump on the outside
of the overflow bottle (Figure 59).
4. If the coolant level is low, add a 50/50 mix of
extended life antifreeze/Dex-Cool® and water to
the overflow bottle (Figure 59).
5. Add the 50/50 coolant mix to the overflow
bottle and fill it to the indicator line on the bottle
(Figure 59).
1. Antifreeze overflow bottle
Cleaning the Hydraulic Oil Cooler and

Radiator Screen

Service Interval: Before each use or daily
Before each use, check and clean the radiator screen
and oil cooler. Remove any build-up of grass, dirt or
other debris from the oil cooler and radiator screen with
compressed air (Figure 60).
Figure 59
2. Indicator line on side of
overflow bottle
1. Hydraulic oil cooler
2. Left rear tire
Changing the Engine Coolant
Service Interval: Yearly
Contact an Authorized Service Dealer for changing the
coolant.
45
Figure 60
3. Radiator screen