3" 4A ELECTRIC STRING TRIMMER 21212 Owner’s Manual TOLL-FREE HELPLINE: 1-888-90WORKS (888.909.6757) Read all safety rules and instructions carefully before operating this tool.
CONTENTS Contents............................................................................................................................... 2 Specifications....................................................................................................................... 2 Important Safety Instructions.............................................................................................3 - 5 Symbols..............................................................................................
IMPORTANT SAFETY INSTRUCTIONS WA 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. Failure to follow all safety instructions listed below, can result in serious personal injury. • Do not allow children or untrained individuals to use this unit.
IMPORTANT SAFETY INSTRUCTIONS WA 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. • Ground Fault Circuit Interrupter (GFCI) protection should be provided on the circuit (s) or outlet (s) to be used for the gardening appliance. Receptacles are available having built-in GFCI protection and may be used for this measure of safety.
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. If in doubt, use the next heavier gauge. The smaller the gauge number, the heavier the cord.
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.
SymbolS The following signal words and meanings are intended to explain the levels of risk associated with this product. SYMBOL signal meaning DANGER Indicates an imminently hazardous situation, which, if not avoided, will result in death or serious injury. WARNING Indicates a potentially hazardous situation, which, if not avoided, could result in death or serious injury.
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.. WA R N I N G The double insulated system is intended to protect the user from shock resulting from a break in the tool’s internal insulation.
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) 0 6 10 12 6 10 12 16 18 18 16 14 16 16 16 12 100' (30.4 m) 150' (45.7 m) 16 14 14 12 14 12 Not Recommended When working with the tool outdoors, use an extension cord that is designed for outside use. This is indicated by the letters “WA” on the cord’s jacket.
FEATURES ROTATING REAR HANDLE FRONT HANDLE EDGER GUIDE SWITCH TRIGGER CORD RETAINER TELESCOPING BOOM 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. Before use of this product, familiarize yourself with all operating features and safety rules.
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. • Do not discard the packing material until you have carefully inspected and satisfactorily operated the product. • If any parts are damaged or missing, please call 1-888- 909-6757 for assistance.
assembly SCREW GRASS DEFLECTOR SCREW HOLE SLIDE OVER HEAD AND TURN COUNTER CLOCKWISE Fig. 2 Fig. 3 WA R N I N G If any parts are damaged or missing, do not operate this product until the parts are replaced. Failure to heed this warning could result in serious personal injury. WA R N I N G Do not attempt to modify this product or create accessories not recommended for use with this product.
assembly SWITCH TRIGGER CORD WARP ATTACH OUTLET END OF EXTENSION CORD HERE Fig. 4 OUTLET END Fig. 5 OPERATING THE TRIMMER (See Fig. 6) PROPER OPERATING POSITION Fig. 6 Follow these tips when using the string trimmer: • Hold the trimmer with your right hand on the rear handle and your left hand on the front handle. • Keep a firm grip with both hands while in operation.
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: • Stop the trimmer. • Unplug the string trimmer. • Remove the grass. operation WA R N I N G Always hold the string trimmer away from the body keeping clearance between the body and the string trimmer.
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. Avoid cutting in the dangerous area shown in figure 8. • Use the tip of the string to do the cutting; do not force string head into uncut grass. • Wire and picket fences cause extra string wear, even breakage. Stone and brick walls, curbs, and wood may wear strings rapidly.
2 operation 0° 18 2 1 TELESCOPING BOOM COUPLER REAR HANDLE ° 180 1 0 8 1 2 ° PULL UP EDGING COUPLER TO ROTATE Fig. 8 1 Fig. 9 EDGING (See Fig. 9 - 11.) The rotating handle can be used in combination with the edger guide for edging sidewalks and walkways. To use the edger guide, flip down from it’s stored position. EDGER GUIDE Fig. 10 Fig.
maintenance WA 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. WA R N I N G Always wear safety goggles or safety glasses with side shields during power tool operation or when blowing dust. If operation is dusty, also wear a dust mask. WA R N I N G Before inspecting, cleaning or servicing the unit, stop the motor, wait for all moving parts to stop, and disconnect from power supply.
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. • Reinstall the spool retainer by depressing tabs into slots and pushing down until spool retainer clicks into place. WIND CLOCKWISE SPOOL RETAINER SPOOL TABS SPOOL SPOOL SLOTS HOLE Fig. 12 Fig. 13 STRING REPLACEMENT (See Fig. 12 - 13.
maintenance STORING THE TRIMMER • Depress 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 SOLUTION Strings will not advance when using the Auto Feed Head: 1. Strings are welded to themselves. 2. Not enough string on spool. 3. Strings are worn too short. 4.
LIMITED FOUR-YEAR warranty GREENWORKS™ hereby warranties this product, to the original purchaser with proof of purchase, for a period of four (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.
parts 21
parts list Item No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 Part No.
CONTENTS NOTES 23
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