Cooling System Maintenance; Servicing The Engine-Oil Cooler; Cleaning The Engine Screen; Cleaning The Engine-Cooling Fins And Shrouds - Toro 74946 Operator's Manual

Cooling System
Maintenance
Servicing the Engine-Oil
Cooler
Service Interval: Every 150 hours
1. Remove the top mounting screw and loosen the 2 side
screws (Figure 71).
2. Remove the shroud
3. Clean the engine-oil cooler with compressed air
71).
4. Install the shroud and the screws
1
3
Figure 71
1. Shroud screws
2. Shroud
(Figure 71).
(Figure 71).
2 1
G015199
3. Engine-oil cooler

Cleaning the Engine Screen

Service Interval: Before each use or daily
Before each use, remove any buildup of grass, dirt, or other
debris from the engine screen. This helps ensure adequate
cooling, correct engine speed, and reduces the possibility of
overheating and mechanical damage to the engine.
Cleaning the Engine-Cooling
Fins and Shrouds
Service Interval: Every 150 hours/Yearly (whichever comes
(Figure
1. Disengage the blade-control switch PTO and set the
parking brake.
2. Stop the engine, remove the key, and wait for all moving
parts to stop before leaving the operating position.
3. Remove the right shroud by removing the top mounting
screw and loosening the 2 side screws
1
G016905
1. Shroud screws
4. Remove the top mounting screw and loosen the 2 side
screws on the left shroud.
5. Pull up and remove the left shroud, feeding it out
around the fuel pump and bracket.
6. Remove the 2 screws on the left and right sides in the
cooling-fan housing
52
first)
(Figure
Figure 72
2. Right shroud
(Figure 73).
72).
2 1