Servicing The Spark Plug - Toro TimeCutter SS 4216 74616 Operator's Manual

Important: Do not overfill the crankcase with oil
and run the engine; engine damage may result.
Changing the Oil
Service Interval: After the first 5 hours
Every 100 hours
1. Park the machine so that the right side is slightly
lower than the left side to ensure that the oil drains
completely.
2. Disengage the blade control (PTO).
3. Stop the engine, wait for all moving parts to stop, and
remove the key before leaving the operating position.
4. Clean the area around the drain valve and on the
machine frame. Locate the oil drain hose and slide it
over the drain valve (Figure 31).
5. Place the opposite end of the oil drain hose over the
machine frame.
6. Place a pan underneath the machine directly below the
drain hose as shown in (Figure 31).
1
2
3
1. Oil fill hole
2. Drain valve
7. Turn the drain valve 1/4 counter clockwise to open and
allow the oil to drain. Remove the oil fill cap/dipstick
(Figure 31).
8. When oil has drained completely, close the oil drain
valve. Remove the oil drain hose and wipe up any
excess oil on the frame.
Note: Dispose of the used oil at a certified recycling
center.
9. Change the oil filter; refer to Changing the Oil Filter.
10. Slowly pour approximately 80% of the specified
amount of oil into the fill hole (Figure 31). Check the
oil level; refer to Checking the Oil Level.
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G017864
Figure 31
3. Oil drain hose
4. Pan
11. Install the oil fill cap/dipstick.
Changing the Oil Filter
Service Interval: Every 100 hours
Note: Change the oil filter more frequently when the
operating conditions are extremely dusty or sandy.
1. Drain the oil from the engine; refer to Changing the
Oil.
2. Remove the old oil filter and wipe the filter adapter
(Figure 32) gasket surface.
1. Oil filter
2. Gasket
3. Apply a thin coat of new oil to the rubber gasket on
the new oil filter (Figure 32).
4. Install the new oil filter to the filter adapter.
5. Turn the oil filter clockwise until the rubber gasket
contacts the filter adapter, then tighten the oil filter an
additional 1/2 to 3/4 turn (Figure 32).
6. Slowly pour about 80% of the specified amount of oil
into the fill hole (Figure 30). Check the oil level; refer
to the Checking the Oil Level procedure.

Servicing the Spark Plug

Service Interval: Every 50 hours—Check the spark plug.
Every 100 hours—Replace the spark plug.
Ensure that the air gap between the center and side electrodes
is correct before installing the spark plug. Use a spark plug
wrench for removing and installing the spark plug and a
gapping tool or feeler gauge to check and adjust the air gap.
Install a new spark plug if necessary.
Type: Champion RC12YC, Autolite 3924, NGK BCPR6ES
or equivalent
Air Gap: 0.76 mm (0.030 inch)
Removing the Spark Plug
1. Disengage the blade control (PTO).
2. Stop the engine, wait for all moving parts to stop, and
remove the key before leaving the operating position.
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Figure 32
3. Filter adapter