Cooling System Maintenance; Cleaning The Engine Screen And Engine Oil Cooler; Cleaning The Engine Cooling Fins And Shrouds - Toro 74922 Operator's Manual

Cooling System
Maintenance
Cleaning the Engine Screen
and Engine Oil Cooler
Service Interval: Before each use or daily
Remove any build-up of grass, dirt or other debris from the
oil cooler (Figure 72).
Figure 72
Before each use remove any build-up of grass, dirt or
other debris from the engine screen. This will help insure
adequate cooling and correct engine speed and will reduce
the possibility of overheating and mechanical damage to the
engine (Figure 73).
Cleaning the Engine Cooling
Fins and Shrouds
Service Interval: Every 100 hours/Yearly (whichever comes
first)
1. Disengage the 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 air intake screen, recoil starter and fan
housing (Figure 73).
4. Clean the debris and grass from the engine parts.
5. Install air intake screen, recoil starter and fan housing
(Figure 73).
G008804
1. Engine guard
2. Engine air intake screen
3. Bolt
48
Figure 73
4. Fan housing
5. Screw