Toro TimeCutter ZX480 - Installing the Spark Plug; Fuel System Maintenance; Draining the Fuel Tank; Replacing the Fuel Filter

Figure 29
1. Center electrode insulator
3. Air gap (not to scale)
2. Side electrode
Installing the Spark Plug
1. Install the spark plug . Mak e sure that the air
g ap is set cor rectly .
2. Tighten the spark plug to 30 ft-lb (41 N ⋅ m).
3. Push the wire onto the spark plug ( Figure 28 ).
Fuel System
Maintenance
Draining the Fuel Tank
In cer tain conditions, gasoline is extr emel y
flamma ble and highl y explosi v e. A fir e or
explosion fr om gasoline can bur n y ou and
other s and can dama ge pr oper ty .
• Drain gasoline fr om the fuel tank when
the engine is cold. Do this outdoor s in
an open ar ea. W ipe up an y gasoline that
spills.
• Nev er smok e when draining gasoline,
and stay a w ay fr om an open flame or
wher e a spar k may ignite the gasoline
fumes.
1. P ark the mac hine on a lev el surface and
diseng ag e the blade control switc h (PTO).
2. Mo v e the motion control lev ers to the brak e
position, stop the engine , remo v e the k ey , and
w ait for all mo ving par ts to stop before lea ving
the operating position.
3. Close the fuel shut-off v alv e located under the
front of the fuel tank.
4. Loosen the hose clamp at the fuel filter and
slide it up the fuel line a w a y from the fuel filter
( Figure 30 ).
Figure 30
1. Hose clamp 3. Filter
2. Fuel line
5. Pull the fuel line off of the fuel filter ( Figure 30 ).
6. Open the fuel shut-off v alv e . Allo w g asoline to
drain into a g as can or drain pan.
Note: No w is the best time to install a new
fuel filter because the fuel tank is empty .
7. Install the fuel line onto the fuel filter . Slide
the hose clamp close to the fuel filter to secure
the fuel line ( Figure 30 ).
Replacing the Fuel Filter
R e place the fuel filter after ev er y 100 operating
hours or yearly , whic hev er occurs first.
Nev er install a dir ty filter if it is remo v ed from the
fuel line .
1. P ark the mac hine on a lev el surface and
diseng ag e the blade control (PTO).
2. Mo v e the motion control lev ers to the brak e
position, stop the engine , remo v e the k ey , and
w ait for all mo ving par ts to stop before lea ving
the operating position.
3. Close the fuel shut-off v alv e located under the
front of the fuel tank.
4. Squeeze the ends of the hose clamps tog ether
and slide them a w a y from the filter ( Figure 30 ).
5. R emo v e the filter from the fuel lines .
6. Install a new filter and mo v e the hose clamps
close to the filter ( Figure 30 ).
7. Open the fuel shut-off v alv e .
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