Checking The Spark Arrester (If Equipped); Fuel System Maintenance; Replacing The Fuel Filter - Toro 74952 Operator's Manual

Installing the Spark Plugs
Tighten the spark plugs to 24.4 to 29.8 N-m (18 to 22 ft-lb).
Figure 53
Checking the Spark Arrester
(if equipped)
Service Interval: Every 50 hours
WARNING
Hot exhaust system components may ignite
gasoline vapors even after the engine is stopped.
Hot particles exhausted during engine operation
may ignite flammable materials. Fire may result in
personal injury or property damage.
Do not fuel or run the engine unless the spark
arrester is installed.
1. Stop the engine, wait for all moving parts to stop, and
remove the key. Engage the parking brake.
2. Wait for the muffler to cool.
3. If any breaks in the screen or welds are observed,
replace the arrester.
4. If plugging of the screen is observed, remove the
arrester and shake any loose particles out of the
arrester, and clean the screen with a wire brush (soak it
in solvent if necessary). Install the spark arrester on the
exhaust outlet.
Fuel System
Maintenance

Replacing the Fuel Filter

Service Interval: Every 500 hours/Yearly (whichever comes
first) (more often in dirty or dusty
conditions).
The fuel filter is located near the engine on the front or rear
side of the engine.
1. Disengage the PTO, move the motion-control levers to
the neutral-locked 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. Close the fuel-shutoff valve under the seat
G008963
1. Fuel filter
2. Hose clamp
5. Squeeze the ends of the hose clamps together and slide
them away from the filter
6. Remove the filter from the fuel lines.
7. Install a new filter and move the hose clamps close to
the filter (Figure
8. Open the fuel-shutoff valve.
Important: Install 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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1 2
3
Figure 54
3. Fuel line
(Figure 54).
54).
(Figure 54).