Checking The Spark Arrester (If Equipped); Fuel System Maintenance; Replacing The Fuel Filter - Toro 74950 Operator's Manual

Installing the Spark Plugs
Torque the spark plugs to 24.4 to 29.8 N∙m (18 to 22 ft-lb).
Figure 54
Checking the Spark Arrester
(if equipped)
Service Interval: Every 50 hours
WARNING
Hot exhaust system components may ignite
gasoline vapors even after you shut off the engine.
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 a spark arrester
is installed.
1. Stop engine, wait for all moving parts to stop, remove
the key, and engage the parking brake.
2. Wait for the muffler to cool.
3. If there are any breaks in the screen or welds, replace
the arrester.
4. If the screen is plugged, remove the arrester and shake
the loose particles out of the arrester, and clean the
screen with a wire brush (soak it in solvent if necessary).
5. 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 N -
EUTRAL LOCK
2. Shut off 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.
39
position, and set the parking brake.
1 2
3
Figure 55
3. Fuel line
(Figure 55).
55).