Cooling System Maintenance; Cleaning The Engine Screen And Engine-Oil Cooler; Cleaning The Engine-Cooling Fins And Shrouds - Toro 74901 Operator's Manual

Cooling System
Maintenance
Cleaning the Engine Screen
and Engine-oil Cooler
Service Interval: Before each use or daily
Remove any buildup of grass, dirt, or other debris from the
oil cooler (Figure 71).
Figure 71
Before each use, remove any buildup of grass, dirt, or
other debris from the engine screen. This will help ensure
adequate cooling, correct the engine speed, and will reduce
the possibility of overheating and mechanical damage to the
engine (Figure 72).
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, the recoil starter, and
the fan housing (Figure 72).
4. Clean the debris and grass from the engine parts.
5. Install the air-intake screen, the recoil starter, and the
fan housing (Figure 72).
G008804
1. Engine guard
2. Engine air-intake screen
3. Bolt
48
Figure 72
4. Fan housing
5. Screw