Toro Power Clear 721 Operator's Manual page 15

1. Screw (4)
2. Shroud
5. Remove the fuel-tank cap.
6. Remove the shroud
7. Install the fuel-tank cap.
8. Disconnect the wire from the spark plug.
9. Clean around the spark plug.
10. 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.
11. Set the gap on the plug to 0.030 inch (0.76 mm)
as shown in Figure
1. Center-electrode insulator
2. Side electrode
Figure 24
3. Spark plug
4. Spark-plug wire
(Figure 24).
25.
Figure 25
3. Air gap (not to scale)
12. Install the spark plug and torque it to 20 to 22
ft-lb (27 to 30 N-m).
13. Connect the wire to the spark plug.
Note:
Ensure that the breather tube is routed
above the spark-plug wire as shown in
26.
g011435
1. Breather tube
14. Remove the fuel-tank cap.
15. Install the shroud with the screws that you
removed in step 4.
Note:
Ensure that the upper and lower shrouds
fit together in the side grooves.
16. Install the fuel-tank cap.
17. Install the chute seal, the discharge chute, and
the discharge-chute handle onto the machine
using the hardware that you removed in step 3.
Note:
The small screw goes through the
small hole in the chute seal at the front of the
discharge-chute opening.
g000533
15
Figure 26
2. Carburetor drain bolt
Figure
g011440