IMPORTANT SAfETY INSTRUCTIONS W A R N I N g Read and understand all instructions before using this product. failure to follow all instructions listed below may result in electric shock, fire, and/or serious personal injury. • Use only identical manufacturer’s replacement parts and accessories. Use of any other parts may create a hazard or cause product damage.
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IMPORTANT SAfETY INSTRUCTIONS • Do not dispose of the batteries in a fire. The cells may explode. Check with local codes for possible special disposal instructions. • Do not open or mutilate the batteries. Released electrolyte is corrosive and may cause damage to the eyes or skin.
SYMBOLS Some of the following symbols may be used on this product. Please study them and learn their meaning. Proper interpretation 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)
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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.
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KNOW YOUR STRINg TRIMMER KNOW YOUR sTRINg TRImmER (See Figure 1.) The safe use of this product requires an understanding of the information on the product 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 tool carefully to make sure no breakage or damage occurred during shipping. •...
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ASSEMBLY W A R N I N g If any parts are damaged or missing, do not operate this product until the parts are replaced. Use of this product with damaged or missing parts could result in serious personal injury. W A R N I N g Do not attempt to modify this product or create accessories not recommended for use with this string trimmer.
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ASSEMBLY ATTACHINg THE gUARd (See Figure 3.) NOTE: Install the guard before the attachment is connected to the lower shaft. Invert the string trimmer to access the trimmer head. Remove supplied screws (1) from the trimmer head (4) with a philips head screwdriver (not included).
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ASSEMBLY INsTALLINg THE UPPER sHAFT TO THE LOWER sHAFT (See Figure 4.) W A R N I N g Never install, remove, or adjust any attachment while string trimmer is running. Failure to stop the motor can cause serious personal injury. The attachment connects to the power head by means of a coupler device.
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ASSEMBLY ATTACHINg THE AUXILIARY HANdLE (See Figure 5.) Loosen the four screws (1) in the handle with a philips screwdriver (not included) and remove the screws from the handle. Fig. 5.1 Attach the auxiliary handle (2) and lower clamp (3) on the shaft. Adjust handle up or down, if necessary, to desired operating position.
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ASSEMBLY AdJUsTINg THE CUTTINg sWATH (See Figure 6.) This trimmer is equipped with a line cut-off blade on the guard. The line cut off blade continuously trims the line to ensure a consistent and efficient cut diameter. Advance line whenever you hear the engine running faster than normal, or when trimming efficiency diminishes.
OPERATION W A R N I N g Read and understand entire Operator's Manual for each optional attachment used on this power head and follow all warnings and instructions. failure to follow all instructions may result in electric shock, fire and/or serious personal injury. W A R N I N g Do not allow familiarity with this product to make you careless.
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OPERATION INsTALLINg THE BATTERY PACK (See Figure 7.) • Insert battery pack into tool until an audible click is heard. REmOVINg THE BATTERY PACK (See Figure 7.) • Depress the battery release button (1) in the back of the battery pack and pull battery pack out of tool.
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OPERATION OPERATINg THE TRImmER (See Figure 9.) W A R N I N g Always hold the string trimmer away from the body keeping clearance between the body and the string trimmer. Any contact with the string trimmer cutting head while operating can result in serious personal injury.
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OPERATION W A R N I N g Any contact with the attachment cutting head can result in burns and/or other serious personal injury. W A R N I N g Read the safety information for safe operation when using a blade attachment and refer to the safety rules and instructions in your attachment manual.
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OPERATION REPLACINg THE LINE (See Figure 11.) Press the tabs simultaneously on the side of the trimmer head and remove cover and spool. Cover Spool Fig. 11.1 Remove any remaining line. Clean dirt and debris from all parts. Replace spool if it is worn or damaged. Replace with a pre-wound spool, or replace line using 25 feet (8 meters) of 0.080 inch (2.0 mm) diameter line.
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OPERATION Bend the line at the midpoint and insert the bend into the slot in the center rim of the spool. Ensure line snaps into position in the slot. Slot Fig. 11.2 With your finger between the lines, wrap the lines evenly and firmly around the spool in a clockwise direction.
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OPERATION Place the spool in the cover as shown below. Fig. 11.5 10. Insert the ends of the lines through the line exit holes in the sides of the cover. Fig. 11.6 11. Reinstall the spool and cover onto the trimmer head. Push until cover snaps into place. Fig.
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OPERATION CUTTINg TIPs (See Figure 12.) • Keep the trimmer tilted toward the area being cut; this is the best cutting area. • The trimmer cuts when passing the unit from right to left. This will avoid throwing debris at the operator.
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BATTERY & CHARgER MAINTENANCE CHECKINg BATTERY CAPACITY Press the battery capacity indicator (BCI) button. The lights will illuminate according to the batteries capacity level. See chart below: BATTERY CAPACITY LIgHT METER INDICATOR (BCI) BUTTON Lights Capacity 3 green Lights The battery is more than 75% capacity 2 green Lights The battery is between 35% and 75% capacity The battery is less than 35% capacity...
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BATTERY & CHARgER MAINTENANCE CHECKINg THE CHARgE If the battery pack does not charge properly: • Check the current at the power outlet with another tool. Make sure that the outlet is not turned off. • Check that the charger contacts have not been shorted by debris or foreign material. •...
MAINTENANCE gENERAL mAINTENANCE Avoid using solvents when cleaning plastic parts. Most plastics are susceptible to damage from various types of commercial solvents and may be damaged by their use. Use clean cloths to remove dirt, dust, lubricant, grease, etc. Always store the machine clean and in a dry enclosure with the battery charged. maintenance task Each time Every two...
ENVIRONMENTALLY SAfE BATTERY DISPOSAL The following toxic and corrosive materials are in the batteries used in this string trimmer battery pack: Lithium-Ion, a toxic material. W A R N I N g All toxic materials must be disposed of in a specified manner to prevent contamination of the environment.
TROUBLESHOOTINg Problem Cause solution 1. The battery pack is not 1. Attach the battery pack to the trimmer. attached to the trimmer. 2. No electrical contact 2. Remove battery check contact and reinstall between the trimmer and the battery pack. battery.
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TROUBLESHOOTINg Problem Cause solution 1. Lines are welded to 1. Lubricate with silicone spray. themselves. 2. Not enough line on 2. Install more line. Refer to Line spool. Replacement earlier in this manual. Lines will not advance. 3. Lines are worn too short. 3.
LIMITED WARRANTY gREENWORKS™ hereby warranties this product, to the original purchaser with proof of purchase, 4 year warranty 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.