Cleaning The Cooling System; Fuel System Maintenance; Replacing The Fuel Filter - Toro 74824 Operator's Manual

1
Figure 42
Installing the Spark Plug
Tighten the spark plug(s) to 16 ft-lb (22 N-m).
16 ft-lb
22 N-m
Figure 43

Cleaning the Cooling System

Clean the air intake screen from grass and debris before
each use.
1. Disengage the blade control switch 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, air cleaner cover, and
fan housing.
4. Clean debris and grass from the parts.
5. Install the air intake screen, air cleaner cover, and
fan housing.
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G008794
G010687
Fuel System
Maintenance

Replacing the Fuel Filter

Service Interval: Every 500 hours/Yearly (whichever
comes first) (more often under dusty,
dirty conditions).
1. Disengage the blade control switch (PTO), move the
motion control levers to the neutral lock position,
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. Allow the machine to cool down.
4. Stop the engine, remove the key, and wait for all
moving parts to stop before leaving the operating
position.
5. Squeeze the ends of the hose clamps together and
slide them away from the filter (Figure 44).
G011395
1. Fuel filter
2. Hose clamp
6. Remove the filter from the fuel lines.
7. Install a new filter and move the hose clamps close
to the filter (Figure 44).
8. Open the fuel shutoff valve.
Note: It is important to reinstall the fuel line hoses and
secure with plastic ties the same as they were originally
installed at the factory to keep the fuel line away from
components that could cause fuel line damage.
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3
Figure 44
3. Fuel line