Checking The Spark Arrester (If Equipped); Fuel System Maintenance; Replacing The Fuel Filter - Toro Z Master Professional 6000 74922 Operator's Manual

Installing the Spark Plug
Tighten the spark plug(s) to 24.4 to 29.8 N-m (18 to 22 ft-lb).
Figure 56
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 engine unless 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 muffler to cool.
3. If there are 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 loose particles out of the arrester,
and clean screen it with a wire brush (soak in solvent
if necessary).
5. Install arrester on 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. Stop the engine, remove the key, and wait for all moving
parts to stop before leaving the operating position.
5. Close the fuel-shutoff valve under the seat
G008963
1. Fuel filter
2. Hose clamp
6. Squeeze the ends of the hose clamps together and slide
them away from the filter
7. Remove the filter from the fuel lines.
8. Install a new filter and move the hose clamps close to
the filter (Figure
9. Open the fuel-shutoff valve.
Note: It is important to 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
can cause fuel line damage.
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1 2
3
Figure 57
3. Fuel-shutoff valve
(Figure 57).
57).
(Figure 57).