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Figure 20
1. Dipstick
2. Drain plug
5.
When the oil has drained completely, lower the
front wheels to the ground, replace the drain
plug, and torque the plug to 18 N⋅m (13 ft-lb).
Note:
Dispose of the used oil at a certified
recycling center.
6.
Remove the dipstick, and slowly pour oil into the
fill hole until the oil pours out of the fill hole.
7.
Ensure that the oil is at the correct level on the
dipstick; refer to
Checking the Engine-Oil Level
(page
23).
8.
Replace and secure the dipstick.
9.
Wipe up any spilled oil.
10.
Connect the wire to the spark plug.
Servicing the Spark Plug
Service Interval: Every 100 hours—Inspect and
adjust the spark plug; replace it if
necessary.
Every 200 hours—Replace the spark plug.
Spark plug specification: Champion RC12YC spark
plug or equivalent.
1.
Shut off the engine and wait for all moving parts
to stop.
2.
Disconnect the wire from the spark plug.
3.
Clean around the spark plug.
4.
Remove the spark plug from the cylinder head.
Important:
Replace a cracked, fouled, or
dirty spark plug. Do not clean the electrodes,
because grit entering the cylinder can
damage the engine.
5.
Set the gap on the plug to 0.76 mm (0.03 inch);
refer to
Figure
1. Side electrode
2. Center electrode insulator
g252748
3. Air gap—0.76 mm (0.03 inch)
6.
Carefully install the spark plug by hand (to avoid
cross threading) until it is hand tight.
7.
Tighten the spark plug an additional 1/2 turn if
it is new; otherwise, tighten it an additional 1/8
to 1/4 turn.
Important:
very hot and can damage the engine;
overtightening a spark plug may damage the
threads in the cylinder head.
8.
Connect the wire to the spark plug.
Checking the Spark
Arrester
(If Equipped)
Service Interval: Every 50 hours
Note:
A spark arrester is available as an option. If
you require a spark arrester, contact your Authorized
Service Dealer.
Toro spark arresters are approved by the USDA
Forestry Service.
WARNING
If the engine has been running, the muffler
will be hot.
1.
Shut off the engine and wait for all moving parts
to stop.
2.
Wait for the muffler to cool.
3.
Remove the spark arrester from the exhaust
outlet by removing the screws from the muffler
cover and exhaust deflector.
4.
If there are any breaks or holes in the screen,
replace the spark arrester.
24
21.
Figure 21
A loose spark plug can become
g006998
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