Cleaning The Engine Screen; Cleaning The Engine-Cooling Fins And Shrouds - Toro 74947 Operator's Manual

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 first)
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
(Figure 74).
Figure 74
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
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2. Right shroud
(Figure 75).
1. Oil filter
2. Left side bolts for the
cooling-fan housing
7. Remove the cooling-fan housing.
8. Using compressed air, blow out any debris and
grass from the engine parts, particularly around
the cylinder head cooling fins and ignition coils.
9. Install all the shrouds onto the engine.
53
Figure 75
3. Battery
4. Right side bolts for the
cooling-fan housing
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