Cleaning The Cooling System - Toro Groundsmaster 4300-D Operator's Manual

CAUTION
If the engine has been running, the
pressurized, hot coolant can escape and
cause burns.
• Do not open the radiator cap when the
engine is running.
• Use a rag when opening the radiator cap,
and open the cap slowly to allow steam to
escape.
1. Check the level of coolant in the expansion tank
(Figure 67).
Note:
The coolant level should be between the
marks on the side of the tank.
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Figure 67
1. Expansion tank
2. If the coolant level is low, remove the
expansion-tank cap and replenish the system.
Do not overfill.
3. Install the expansion-tank cap.
Cleaning the Cooling
System
Service Interval: Before each use or daily—Remove
debris from the screen and
radiator/oil cooler (more frequently
in dirty operating conditions).
Every 100 hours—Inspect the cooling system
hoses.
Every 2 years—Flush and replace the cooling
system fluid.
Remove debris from the screen and radiator/oil cooler
daily (clean more frequently in dirty conditions).
1. Turn the key in the ignition switch to the O
position and remove the key.
2. Thoroughly clean all debris out of the engine
area.
3. Unlatch the clamp and pivot open the rear
screen
1. Rear screen latch
4. Thoroughly clean both sides of the radiator and
oil cooler
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1. Radiator/oil cooler
5. Close the screen and secure the latch.
FF
52
(Figure 68).
Figure 68
2. Rear screen
(Figure 69) with compressed air.
Figure 69
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