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15" 5.5A ELECTRIC STRING TRIMMER 21272 Owner’s Manual TOLL-FREE HELPLINE: 1-888-90WORKS (888.909.6757) Read all safety rules and instructions carefully before operating this tool.
IMPORTANT SAFETY INSTRUCTIONS W A R N I N G Read and understand all instructions. Failure to follow all instructions listed below may result in electric shock, fire and/or serious personal injury. • For safe operation, read and understand all instructions before using this product. Follow all safety instructions.
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IMPORTANT SAFETY INSTRUCTIONS W A R N I N G To reduce the risk of electric shock - Use outdoor extension cords marked W-A, W, SW-A, SOW-A, STW-A, STOW-A, SJW-A, SJTW-A, or SJTOW-A. These cords are rated for outdoor use and reduce the risk of electric shock. •...
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IMPORTANT SAFETY INSTRUCTIONS • Make sure your extension cord is in good condition. When using an extension cord, be sure to use one heavy enough to carry the current your product will draw. A wire gauge size (A.W.G.) of at least 16 is recommended for an extension cord 50 feet or less in length. A cord exceeding 100 feet is not recommended.
SyMBOLS Some of the following symbols may be used on this product. Please study them and learn their meaning. Proper inter-pretation of these symbols will allow you to operate the product better and safer. SYMBOL NAME DESIGNATION/EXPLANATION Volts Voltage Amperes Current Hertz Frequency (cycles per second)
To avoid serious personal injury, do not attempt to use this product until you read thoroughly and understand completely the operator’s manual. If you do not understand the warnings and instructions in the operator’s manual, do not use this product. Call GREENWORKS customer service for assistance.
ELECTRICAL DOUBLE INSULATED Double insulation is a concept in safety in electric power tools, which eliminates the need for the usual threewire grounded power cord. All exposed metal parts are isolated from the internal metal motor components with protecting insulation. Double insulated tools do not need to be grounded..
ELECTRICAL **Ampere rating (on tool faceplate) MINIMUM GAUGE FOR EXTENSION CORDS (AWG) (WHEN USING 120V ONLY) Amp Rating Total Length of Cord in Feet (meters) More Than Not More Than 25' (7.6 m) 50' (15 m) 100' (30.4 m) 150' (45.7 m) Not Recommended When working with the tool outdoors, use an extension cord that is designed for outside use.
FEATURES ADJUSTABLE FRONT HANDLE TRIMMER / EDGER SHIFT BUTTON FLOWER GUARD CORD REAR RETAINER HANDLE TELESCOPING BOOM COUPLER GRASS DEFLECTOR Fig. 1 KNOW YOUR STRING TIMMER (See Fig. 1) The safe use of this product requires an understanding of the information on the tool and in this operator’s manual as well as a knowledge of the project you are attempting.
ASSEMBLY UNPACKING • This product requires assembly. • Carefully remove the product and any accessories from the box. Make sure that all items listed in the packing list are included. • Inspect the product carefully to make sure no breakage or damage occurred during shipping. •...
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ASSEMBLY Fig. 2 Fig. 3 FRONT HANDLE GUARD PHILLIPS HEAD SCREW Fig. 4 GUIDE HOLE GUIDE GROOVE...
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ASSEMBLY (See Fig. 4 ) ATTACHING SHAFT Unlock the cam lever and insert the lower shaft through the guide groove till hearing "click". • • Unlock the cam lever and stretch the shaft to the suitable position, then lock the knob TARTING/STOPPING THE TRIMMER (See Fig.
ASSEMBLy • Trimmer should be held at a comfortable position with the rear handle about hip height. • Cut tall grass from the top down. This will prevent grass from wrapping around the shaft housing and string head IF GRASS BECOMES WRAPPED AROUND THE STRING HEAD: •...
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OPERATION CUTTING TIPS (See Fig. 7) • Keep the trimmer tilted toward the area being cut; this is the best cutting area. • The string trimmer cuts when passing the unit from left to right. This will avoid throwing debris at the operator.
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OPERATION ADJUST(2) PRESS(1) TELESCOPING BOOM COUPLER Fig. 8 Fig. 9 EDGING (See Fig. 10) Unplug the trimmer. Press the shift button and rotate the trimmer head 90° then fix the trimmer head. 90° PRESS(1) Fig.10...
MAINTENANCE W A R N I N G When servicing, use only identical replacement parts. Use of any other parts may create a hazard or cause product damage. W A R N I N G Always wear safety goggles or safety glasses with side shields that comply with ANSI Z87.1 during power tool operation or when blowing dust.
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MAINTENANCE • Install the new spool so that the strings and slots align with the eyelets in the string head. Thread the strings into the eyelets. • Pull the strings extending from the string head so the string releases from the slots in the spool. •...
MAINTENANCE STORING THE TRIMMER • Open telescoping boom coupler and set at shortest setting. • Clean all foreign material from the trimmer. • Store it in a place that is inaccessible to children. • Keep away from corrosive agents such as garden chemicals and de-icing salts. TROUBLESHOOTING PROBLEM POSSIBLE CAUSE...
(4) years against defects in materials, parts or workmanship. GREENWORKS™, at its own discretion will repair or replace any and all parts found to be defective, through normal use, free of charge to the customer. This warranty is valid only for...
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