SECTION 5: MAINTAINING YOUR TRIMMER

NOTE: Some maintenance procedures may require special tools or skills. If you are unsure about these procedures take your unit to an authorized service dealer.

MAINTENANCE SCHEDULE

These required maintenance procedures should be performed at the frequency stated in the table. They should also be included as part of any seasonal tune-up.

WARNING: To prevent serious injury, never perform maintenance or repairs with unit running. Always perform maintenance and repairs on a cool unit. Disconnect spark plug wire to ensure the unit will not start.

NOTE: Maintenance, Replacement, or Repair of the emission control devices and system may be performed by any non-road engine repair establishment, individual or authorized service dealer.

In order to assure peak performance of your engine, inspection of the engine exhaust port may be necessary after 50 hours of operation. If you notice lost RPM, poor performance or general lack of acceleration, this service may be required. If you feel your engine is need of this inspection, refer service to an authorized servicing dealer, or establishment for repair. DO NOT attempt to perform this process yourself as engine damage may result from contaminants involved in the cleaning process for the port.

FREQUENCY

MAINTENANCE REQUIRED

 

REFER TO

Before Starting Engine

Fill fuel tank with correct oil and petrol mixture

Page 8

Every 10 Hours

Clean and re-oil air filter

 

Page 13

Every 25 Hours

Check and clean spark arrestor

 

Page 15

 

Check spark plug condition and gap

 

Page 14

Every 50 Hours

Inspect exhaust port and spark arrestor screen for clogging

Page 15

 

or obstruction to assure maximum performance levels

 

LINE INSTALLATION

 

 

Outer Spool

This section covers both Split-Line™ and standard

 

 

single line installation.

 

 

 

Always use original equipment 2.03 mm (0.080 inch)

Spring

 

replacement line. Line other than specified may make

 

 

the engine overheat or fail.

 

 

 

WARNING: Never use metal-reinforced line,

 

Inner Reel

wire or rope. These can break off and become

 

dangerous projectiles.

 

FIGURE 12

 

 

 

 

There are two methods to replace the trimming line:

•Wind the inner reel with new line

•Install a prewound inner reel

Winding the Existing Inner Reel

1.Hold the outer spool with one hand and unscrew the bump knob counterclockwise, Figure 11. Inspect the bolt inside the bump knob to make sure it moves freely. Replace the bump knob if damaged.

Outer Spool

Bump Knob

Inner Reel

FIGURE 11

2.Remove the inner reel from the outer spool, Figure 12.

3.Remove spring from the inner reel, Figure 12.

4.Use a clean cloth to wipe the the inner reel, spring, shaft, and inner surface of the outer spool, Figure 13.

FIGURE 13

5.Check the indexing teeth on the inner reel and outer spool for wear, Figure 14. If necessary, remove burrs or replace the reel and spool.

Indexing Teeth

FIGURE 14

11