Cooling System Maintenance; Removing Debris From The Cooling System - Toro LT3340 Operator's Manual

Cooling System
Maintenance
Removing Debris from the
Cooling System
Service Interval: Before each use or daily
Every 100 hours
Every 2 years
Note: To prevent the engine from overheating, the radiator
and oil cooler must be kept clean. Normally, check daily and,
if necessary, clean any debris off these parts. However, it will
be necessary to check and clean more frequently in extremely
dusty and dirty conditions.
1. Park the machine on a level surface, stop the engine,
set the parking brake and remove the key from the
ignition switch.
2. Clean the radiator screen.
3. Thoroughly clean all debris out of the engine area.
4. Release the latch and open the engine cover
1
2
3
G018023
Figure 57
1. Engine cover
2. Oil cooler release clip
5. Clean the screen thoroughly with compressed air.
6. Pivot the latch inward to release the oil cooler
(Figure 58).
(Figure
3. Oil cooler
1. Oil cooler
7. Working from the fan side of the radiator, blow out
debris with low pressure (50 psi) compressed air (do
not use water). Repeat the step from the front of the
radiator and again from the fan side. Thoroughly clean
57).
both sides of the oil cooler. After the radiator and oil
coolers are thoroughly cleaned, clean out any debris
that may have collected on other parts of the machine
(Figure 59) with compressed air.
1. Radiator
8. Pivot the oil cooler back into position and secure the
latch.
9. Close the engine cover and secure the latch.
43
Figure 58
2. Oil cooler latch
Figure 59