Toro 38744, Руководство оператора

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Servicing the Spark Plug
Service Interval: Yearly—Check the spark plug and replace
it if necessary.
Use a NGK BPR6ES or Champion RN9YC spark plug
or equivalent.
1. Shut off the engine and wait for all moving parts to
stop.
2. Rotate the discharge chute so that it faces forward.
3. Remove the discharge chute, the discharge chute
handle, and the chute seal by removing the 3 large
screws and 1 small screw (
Figure 33 ).
Figure 33
1. Fuel-tank cap
4. Small screw
2. Large screws (3) 5. Chute seal
3. Discharge chute
4. Remove the 4 screws that secure the shroud ( Figure 34 ).
Figure 34
1. Screw (4) 3. Spark plug
2. Shroud 4. Spark-plug wire
5. Remove the fuel-tank cap.
6. Remove the shroud ( Figure 34 ).
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 35 .
Figure 35
1. Center-electrode insulator 3. Air gap (not to scale)
2. Side electrode
12. Install the spark plug and torque it to 20 to 22 ft-lb
(27 to 30 N-m).
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