Servicing The Spark Plug; Replacing The Drive Belt - Toro Power Clear 518 ZR 38472 Operator's Manual

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Figure 27
1. The oil level is at its
maximum.
2. The oil level is too
high—remove oil from
the crankcase.
Note: You may tip the machine forward (handle up)
a little to make adding oil easier. Remember to return
the machine to the operating position before checking
the oil level.
Important: Do not tip the machine all the way
forward onto its nose, or fuel may leak out of the
machine.
Max fill: 12 oz. (0.35 l), type: automotive detergent oil
with an API service classification of SJ, SL, or higher.
Use Figure 28 to select the best oil viscosity for the
outdoor temperature range expected:
Figure 28
Note: Fill the engine crankcase with oil until the
dipstick indicates that the engine oil level is correct as
shown in Figure 27. If you overfill the engine with oil,
3. The oil level is too
low—add oil to the
crankcase.
remove the excess oil from the drain plug into an oil
drain pan.
9. Screw the oil fill cap into the oil fill hole, and hand
tighten it securely.
10. Wipe up any spilled oil.
11. Dispose of the used oil properly at a local recycling
center.

Servicing the Spark Plug

Service Interval: Yearly—Service the spark plug and replace
it if necessary.
Use a Toro spark plug (Part No. 119-1961).
1. Stop the engine and wait for all moving parts to stop.
2. Disconnect the wire from the spark plug (Figure 11).
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 0.030 inch (0.76 mm) (Figure
29).
1. Center electrode insulator
2. Side electrode
6. Install the spark plug and torque it to 20–22 ft-lb
(27–30 N-m).
7. Connect the wire to the spark plug.

Replacing the Drive Belt

If drive belt becomes worn, oil-soaked, excessively cracked,
frayed, or otherwise damaged, replace the belt.
1. Remove the 4 bolts that hold the drive belt cover
(Figure 30) in place.
16
Figure 29
3. Air gap (not to scale)

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