Cooling System Maintenance; Servicing The Cooling System - Toro Z580-D Z Master Operator's Manual

Cooling System
Maintenance

Servicing the Cooling System

DANGER
Discharge of hot pressurized coolant or touching
hot radiator and surrounding parts can cause severe
burns.
• Do not remove the radiator cap when the engine
is hot. Always allow the engine to cool at least
15 minutes or until the radiator cap is cool
enough to touch without burning your hand
before removing the radiator cap.
• Do not touch radiator and surrounding parts
that are hot.
WARNING
Rotating shaft and fan can cause personal injury.
• Do not operate the machine without the covers
in place.
• Keep fingers, hands and clothing clear of
rotating fan and drive shaft.
• Shut off the engine and remove the ignition key
before performing maintenance.
CAUTION
Swallowing engine coolant can cause poisoning.
• Do not swallow engine coolant.
• Keep out of reach from children and pets.
Checking the Engine Coolant Level
Service Interval: Before each use or daily
After the first 8 hours
Every 100 hours
Fluid Type: 50/50 mix of extended life
antifreeze/Dex-Cool® and water
Cooling System Capacity: 156 ounces (4.6 l)
Note: Do not open the radiator cap. Doing this may
induce air into the cooling system.
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 64).
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 64).
5. Add the 50/50 coolant mix to the overflow
bottle and fill it to the indicator line on the bottle
(Figure 64).
1. Antifreeze overflow bottle
Cleaning the Engine 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 65).
47
Figure 64
2. Indicator line on side of
overflow bottle