MAINTENANCE AND REPAIR INSTRUCTIONS
•To increase clearance, turn the adjusting nut counterclockwise.
•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. 32).
14.Check the spark plug and reinstall. See Replacing the Spark Plug.
15.Replace the spark plug wire.
REPLACING THE SPARK PLUG
WARNING: To prevent serious personal injury, make sure the cutting attachment has stopped rotating before you turn it off and set it down.
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 the spark arrestor screen with a wire brush or replace it.
WARNING: To avoid serious personal injury, always turn your unit off and allow it to cool before you clean or service it.
6.Reinstall the spark arrestor screen, spark arrestor cover and screw.
CLEANING
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.
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 |
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around the spark |
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plug. Remove the |
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spark plug from the | 0.025 in. |
cylinder head by | |
turning a 5/8 in. | (0.635 mm.) |
socket | Fig. 38 |
counterclockwise. |
3.Replace cracked, fouled or dirty spark plug. Set the air gap at 0.025 in. (0.635 mm.) using a feeler gauge (Fig. 38).
4.Install a
If using a torque wrench torque to:
SPARK ARRESTOR MAINTENANCE
1. | Remove the muffler | Muffler Spark Arrestor Screen | |
| cover. See Rocker |
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| Arm Clearance. |
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2. | With a flat blade |
| Screw |
| screwdriver or Torx T- |
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| 20 bit, remove the | Slot | Tab Spark Arrestor Cover |
| screw attaching the |
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spark arrestor cover to |
| Fig. 39 |
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the muffler (Fig. 39). |
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•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, 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 5 drops 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.
4.Change the oil, referring to Changing the Oil. 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.
| TROUBLESHOOTING | |
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ENGINE WILL NOT START |
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CAUSE |
| ACTION |
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Empty fuel tank |
| Fill fuel tank with fuel |
Primer bulb wasn't pressed enough |
| Press primer bulb fully and slowly 10 times |
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On/Off control in the STOP position |
| Turn On/Off control to ON |
Old fuel |
| Drain gas tank and add fresh fuel |
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Fouled spark plug |
| Replace or clean the spark plug |
Plugged spark arrestor |
| Clean or replace spark arrestor |
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ENGINE WILL NOT IDLE |
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CAUSE |
| ACTION |
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Air filter is plugged |
| Replace or clean the air filter |
Old fuel |
| Drain gas tank and add fresh fuel |
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Improper carburetor adjustment |
| Adjust according to the Carburetor Adjustments section |
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