Servicing The Spark Plug - Toro 74389 Operator's Manual

Figure 34
1. Oil drain valve
2. Machine frame
3. Oil drain hose
7. Turn the drain valve 1/4 counter clockwise to open
and allow the oil to drain (Figure 34). Remove the oil
fill cap/dipstick (Figure 32).
8. Be sure to allow ample time for complete drainage.
9. Remove the old filter and wipe off the mounting pad
(Figure 34).
10. When oil has drained completely, close the oil drain
valve. Remove the oil drain hose and wipe up any
excess oil on the frame (Figure 34).
Note: Dispose of the used oil at a recycling center.
11. Place the new replacement filter in a shallow pan with
the open end up. Pour new oil of the proper type, in
through the threaded center hole. Stop pouring when
the oil reaches the bottom of the threads. Allow a
minute or two for the oil to be absorbed by the filter
material.
12. Apply a thin film of clean oil to the rubber gasket on
the new filter.
13. Install the replacement oil filter to the mounting pad.
Turn the oil filter clockwise until the rubber gasket
contacts the pad, then tighten the filter an additional
2/3 to 1 turn (Figure 35).
4. Pan
5. Oil filter
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G005177
1. Oil filter
2. Gasket
14. Slowly pour approximately 80% of the specified oil
into the filler tube (Figure 32).
15. Install the oil fill cap/dipstick and push firmly into
place (Figure 32).
16. Check the oil level (Figure 32); refer to Checking the
Oil Level.
17. Slowly add additional oil to bring it to the full mark.
18. Install the oil fill cap/dipstick and push firmly into
place (Figure 32).

Servicing the Spark Plug

Service Interval: Every 200 hours—Check spark plug
condition and gap.
Every 500 hours—Replace the spark plug.
The spark plug is RFI compliant. Equivalent alternate
brand plugs can also be used. Spark plug replacement is
recommended at 500 hours.
Type: Champion XC12YC (or equivalent)
Air Gap: 0.030 inch (0.76 mm)
Removing the Spark Plug
1. Disengage the blade control switch, move the motion
controls outward to the park position, stop the engine,
and remove the key.
2. Pull the wire off of the spark plug (Figure 36). Clean
around the spark plug to prevent dirt from falling into
the engine and potentially causing damage.
Note: Due to the deep recess around the spark plug,
blowing out the cavity with compressed air is usually
the most effective method for cleaning. The spark plug
is most accessible when the blower housing is removed
for cleaning.
3. Remove the spark plug and metal washer.
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Figure 35
3. Adapter