Cleaning The Cooling System; Fuel System Maintenance; Replacing The Fuel Filter - Toro 74405FR Operator's Manual

Important: Never clean the paper
element with pressurized air or liquids,
such as solvent, gas, or kerosene.
Replace the paper element if it
is damaged or cannot be cleaned
thoroughly.
Figure 26
1. Paper element

Cleaning the Cooling System

Clean the air intake screen from grass and debris
before each use.
Clean the cooling fins and engine shrouds every
300 hours or yearly, whichever comes first.
1. Disengage the PTO and move the control
levers to the neutral locked position and apply
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, cylinder covers,
and fan housing.
4. Clean debris and grass from the parts.
5. Install the air intake screen, cylinder covers,
and fan housing.
2. Rubber seal
Figure 27
1. Air intake screen
2. Fan housing
Fuel System
Maintenance

Replacing the Fuel Filter

Replace the fuel filter after every 200 operating
hours or yearly, whichever occurs first.
Never install a dirty filter if it is removed from the
fuel line.
1. Disengage the PTO and move the control
levers to the neutral locked position and apply
the parking brake.
2. Stop the engine, remove the key, and wait for
all moving parts to stop before leaving the
operating position.
3. Close the fuel shut-off valve located under the
front of the fuel tank.
4. Squeeze the ends of the hose clamps together
and slide them away from the filter (Figure 28).
5. Remove the filter from the fuel lines.
6. Install a new filter and move the hose clamps
close to the filter (Figure 28).
7. Open the fuel shut-off valve.
24
3. Cylinder cover
4. Cylinder cover