Toro Titan X4850 Manuel De L'utilisateur page 41

Figure 50
Checking the Spark Plug
Important:
Do not clean the spark plug(s).
Always replace the spark plug(s) when it has a
black coating, worn electrodes, an oily film, or
cracks.
If you see light brown or gray on the insulator, the
engine is operating properly. A black coating on the
insulator usually means the air cleaner is dirty.
Set the gap to 0.75 mm (0.03 inch).
Figure 51
Installing the Spark Plug
Figure 52
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Cleaning the Cooling
System
Service Interval: Every 100 hours
1. Park the machine on a level surface, disengage
the blade-control switch (PTO), and engage the
parking brake.
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2. Shut off the engine, remove the key, and wait
for all moving parts to stop before leaving the
operating position.
3. Remove the air filter from the engine.
4. Loosen the bolts and remove the fan housing
(Figure
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1. Bolt
5. To prevent debris entering the air intake, install
the air filter to the filter base.
6. Clean debris and grass from the parts.
7. Remove the air filter and install the fan housing.
Torque the bolts to 8.8 N·m (78 in-lb).
8. Install the air filter.
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39
53).
Figure 53
2. Fan housing
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