Servicing The Spark Plug - Toro GrandStand 74583 Operator's Manual

Changing the Engine-Oil Filter
Service Interval: Every 200 hours
Note: Change the engine-oil filter more frequently when
operating conditions are extremely dusty or sandy.
1. Drain the oil from the engine; refer to
Engine Oil (page 34).
2. Place a rag under the oil filter to soak up any spilled oil.
Important: Spilled oil may drain under the engine
and onto the clutch. Oil spilled on the clutch may
damage the clutch, cause the blades to stop slowly
when the clutch is in the Off position, and cause
the clutch to slip when the clutch is switched to
the On position. Wipe up any spilled oil.
3. Change the engine-oil filter
1
3
5
Figure 45
Note: Ensure that the oil-filter gasket touches the
engine, and then an extra 3/4 turn is completed.
4. Fill the crankcase with the proper type of new oil; refer
to Changing the Engine Oil (page

Servicing the Spark Plug

Service Interval: Every 200 hours
Make sure the air gap between the center and side electrodes
is correct before installing the spark plug.
Changing the
(Figure 45).
2
4
6
3/4
G008748
34).
Use a spark plug wrench for removing and installing the spark
plug(s) and a gapping tool/feeler gauge to check and adjust
the air gap. Install a new spark plug(s) if necessary.
Type for all Engines: Kohler 25 132 14-c Champion
XC12YC or equivalent
Air Gap: 0.75 mm (0.03 inch)
Removing the Spark Plug
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. Remove the spark plug as shown in
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).
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35
Figure 46.
Figure 46
2
G008794
Figure 47