MAINTENANCE AND REPAIR INSTRUCTIONS
Adjusting Nut
Rocker Arm
Feeler Gauge
Valve Stem
Fig. 39
•To decrease clearance, turn the adjusting nut clockwise.
b.Recheck both clearances, and adjust as necessary.
11.Reinstall the rocker arm cover using a new gasket. Torque the screw to
12.Reinstall the engine cover. Check alignment of the cover before tightening the screws. Tighten screws.
13.Reinstall the muffler cover. Slip the rear tab on the muffler cover into the engine cover rear slot. Then slide the remaining slots into the tabs until they snap into place (Fig. 34).
14.Check the spark plug and reinstall. See Replacing the Spark Plug (below).
15.Replace the spark plug wire.
REPLACING THE SPARK PLUG
Use a replacement part number
1.Stop the engine and allow it to cool. Grasp the plug wire firmly and pull the cap from the spark plug.
2.Clean dirt from around the spark plug. Remove the spark plug from the cylinder head by turning a 5/8 in. socket counterclockwise.
SPARK ARRESTOR MAINTENANCE
1.Remove the muffler cover. See Rocker Arm Clearance.
2.With a flat blade screwdriver or Torx
Muffler | Spark Arrestor Screen |
Tab 
Screw
Spark Arrestor Cover
Slot
Fig. 41
3.Pull the tab on the spark arrestor cover out of the muffler. Remove the spark arrestor cover.
4.Remove the spark arrestor screen from the spark arrestor cover.
5.Clean screen with a wire brush or replace it.
6.Reinstall the spark arrestor screen, spark arrestor cover and screw.
CLEANING
WARNING: To avoid serious personal injury, always turn your unit off and allow it to cool before you clean or service it.
Use a small brush to clean off the outside of the unit. Do not use strong detergents. Household cleaners that contain aromatic oils such as pine and lemon, and solvents such as kerosene, can damage plastic housing or handle. Wipe off any moisture with a soft cloth.
STORAGE
•Never store the unit with fuel in the tank where fumes may reach an open flame or spark.
•Allow the engine to cool before storing.
•Lock up the unit to prevent unauthorized use or damage.
•Store the unit in a dry,
•Store the unit out of the reach of children.
LONG TERM STORAGE
1. Drain all gasoline from the gas tank into a container. Do |
not use gas that has been stored for more than 60 days. |
Dispose of the old gasoline in accordance to Federal, |
3.Replace cracked, fouled or dirty spark plug. Set the air gap at 0.025 in. (0.655 mm.) using a feeler gauge (Fig. 40).
4.Install a
0.025 in.
(0.655 mm.)
| State, and Local regulations. |
2. | Start the engine and allow it to run until it stalls. This ensures |
| that all gasoline has been drained from the carburetor. |
3. | Allow the engine to cool. Remove the spark plug and put 1 |
| oz. (30 ml) of high quality motor oil into the cylinder. Pull |
| the starter rope slowly to distribute the oil. Reinstall the |
| spark plug. |
NOTE: Remove the spark plug and drain all of the oil from the cylinder before attempting to start the trimmer after storage.
If using a torque wrench torque |
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to: |
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| Fig. 40 |
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Do not over tighten. |
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WARNING: Do not sand blast, scrape or clean electrodes. Grit in the engine could damage the cylinder.
4.Change the oil, referring to Changing the Oil (p. 9). Dispose of the old oil in accordance to Federal, State and Local regulations.
5.Thoroughly clean the unit and inspect for any loose or damaged parts. Repair or replace damaged parts and tighten
loose screws, nuts or bolts. The unit is ready for storage.
TRANSPORTING
•Allow the engine to cool before transporting.
•Secure the unit while transporting.
•Drain the gas tank before transporting.
•Tighten gas cap before transporting.
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