Servicing the Spark Plug, Inspecting the Rotor Blades

Servicing the Spark Plug

Service Interval: Yearly—Service the spark plug and replace it if necessary.

Use a NGK BPMR4A spark plug or equivalent.

1. Stop 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 one small screw (Figure 24).

Figure 22

1.	Remove the upper end of	3.	Pivot point
	spring from this hole
2.	Insert the upper end of	4.	Upper end of spring
	spring into this hole

Note: The belt may slip (squeal) in wet conditions; to dry out the drive system, start the rotor and run it without a load for 30 seconds.

Inspecting the Rotor Blades

Service Interval: Yearly—Inspect the rotor blades and have an Authorized Service Dealer replace the rotor blades and scraper if necessary.

Before each session, inspect the rotor blades for wear. When a rotor blade edge has worn down to the wear indicator hole, have an Authorized Service Dealer replace the rotor blades and the scraper (Figure 23).

Figure 23

1.Wear indicator hole

		Figure 24
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 24).

5.Remove the fuel tank cap.

6.Remove the shroud (Figure 25).