WARNING: When installing the metal insert, you must install from the inside of the trim- mer head. If installed on the outside of the trim- mer head, this insert can fly off and become a dangerous missile.
Metal Insert 
8.Once line is passed through the exit hole, place the spool in the trimmer head. Press the spool down and turn it until it locks down and does not pop up when you re- lease it.
9.Make sure the line is not caught between the rim of the spool and the wall of the trim- mer head.
10.Replace the tap button, and place the lock ring onto the trimmer head.
11.Align the lock ring over the catches on the trimmer head. Push the ring down and turn until catches lock into place.
Catch
Catch
Lock
Tab
|
| Catch |
Catch |
| |
|
|
12.Make sure the lock ring is securely fas- tened by pulling on it and twisting it in both directions.
WARNING: All catches must be fas- tened and lock tab latched in the lock ring. If installed incorrectly, lock ring can fly off and be- come a dangerous missile.
13.Pull the line extending from the trimmer head. This will allow the spool to release from the locked position.
SPOOL REPLACEMENT
Replace the spool when the square corners on the lugs are rounded off, reduced in size, or bro- ken. Follow instructions under REPLACING THE LINE for removing and installing the spool.
Normal lug | Worn |
Lug |
CARBURETOR ADJUSTMENT
Your carburetor is equipped with limiter caps. Damage will occur if you turn the needles be- yond the limiter caps. Carburetor adjustment is a complicated task. We recommend that you take your unit to an authorized service dealer.
WARNING: Perform the following steps after each use:
SAllow engine to cool before storing or trans-
porting.
SStore unit and fuel in a well ventilated area where fuel vapors cannot reach sparks or open flames from water heaters, electric
motors or switches, furnaces, etc.
SStore unit with all guards in place. Position unit so that any sharp object cannot acci-
dentally cause injury.
SStore unit and fuel well out of the reach of children.
SEASONAL STORAGE
Prepare unit for storage at end of season or if it will not be used for 30 days or more.
If your unit is to be stored for a period of time:
SClean the entire unit before lengthy storage. S Store in a clean dry area.
S Lightly oil external metal surfaces.
FUEL SYSTEM
Under FUELING ENGINE in the OPERA- TION section of this manual, see message la- beled IMPORTANT regarding the use of ga- sohol in your engine.
Fuel stabilizer is an acceptable alternative in minimizing the formation of fuel gum deposits during storage. Add stabilizer to the gasoline in the fuel tank or fuel storage container. Fol- low the mix instructions found on stabilizer container. Run engine at least 5 minutes after adding stabilizer.
ENGINE
SRemove spark plug and pour 1 teaspoon of 40:1,
er rope 8 to 10 times to distribute oil.
SReplace spark plug with new one of recom- mended type and heat range.
SClean air filter.
S Check entire unit for loose screws, nuts, and bolts. Replace any damaged, broken, or worn parts.
S At the beginning of the next season, use only fresh fuel having the proper gasoline to oil ratio.
OTHER
S Do not store gasoline from one season to another.
S Replace your gasoline can if it starts to rust.
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