Servicing The Spark Plugs - Toro 74410 Operator's Manual

Note: Dispose of the used oil at a recycling center.
1. Oil drain valve
9. Slowly pour approximately 80% of the specified oil
into the filler tube (Figure 33).
10. Check the oil level; refer to Checking the Engine Oil
Level.
11. Slowly add the additional oil to bring it to the Full
mark.
Changing the Oil Filter
Service Interval: Every 200 hours
Replace the oil filter every 200 operating hours or every
other oil change.
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
Engine Oil.
2. Remove the old filter (Figure 35).
Figure 34
2. Oil drain hose
1. Oil filter
3. Apply a thin coat of new oil to the rubber gasket on
the replacement filter (Figure 35).
4. Install the replacement oil filter to the filter adapter,
turn the oil filter clockwise until the rubber gasket
contacts the filter adapter, then tighten the filter an
additional 3/4 turn (Figure 35).
5. Fill the crankcase with the proper type of new oil;
refer to Servicing the Engine Oil.
6. Run the engine for about 3 minutes, stop the engine,
and check for oil leaks around the oil filter.
7. Check the engine oil level and add oil if needed.

Servicing the Spark Plugs

Service Interval/Specification
Check the spark plugs after every 100 operating hours.
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 plugs and a gapping tool/feeler gauge to check and
adjust the air gap. Install new spark plugs if necessary.
Type: Champion® RCJ8Y or equivalent Air Gap:
0.030 inch (0.75 mm)
Removing the Spark Plugs
1. Disengage the PTO 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. Disconnect the wires from the spark plugs
(Figure 36).
30
Figure 35
2. Adapter