Cooling System Maintenance; Servicing The Cooling System - Toro 74253 Operator's Manual

Cooling System
Maintenance

Servicing the Cooling System

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.
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.
Swallowing engine coolant can cause poisoning.
• Do not swallow engine coolant.
• Keep out of reach from children and pets.
Checking the Radiator Coolant
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 51).
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 51).
5. Add the 50/50 coolant mix to the overflow
bottle and fill it to the indicator line on the bottle
(Figure 51).
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 52).
40
Figure 51
2. Indicator line on side of
overflow bottle