Toro 72946 Operator's Manual page 47

Note:
Ensure that the oil-filter gasket touches
the engine, and then turn the oil filter an extra
3/4 turn.
3. Fill the crankcase with the proper type of new
oil; refer to Engine-Oil Specifications (page
Servicing the Spark Plug
Service Interval: Every 200 hours—For Kohler
engines—check the spark plug(s).
Every 500 hours—For Kohler engines—replace
the spark plug(s).
Type: Champion XC12YC
Air Gap: 0.76 mm (0.03 inch)
Figure 61
Removing the Spark Plug
1. Park the machine on a level surface, disengage
the blade-control switch (PTO), and engage the
parking brake.
2. Shut off the engine, remove the key, and wait
for all moving parts to stop before leaving the
operating position.
g008804
3. Clean the area around the base of the plug(s) to
keep dirt and debris out of the engine.
4. Locate and remove the spark plug(s) as shown
in Figure
Checking the Spark Plug
g027477
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
45).
insulator usually means the air cleaner is dirty.
Set the gap to 0.76 mm (0.03 inch).
47
62.
Figure 62
Figure 63
g009922
g027478
g206628