60V Cordless String Trimmer ST60L01 Owner’s Manual TOLL-FREE HELPLINE: 1-855-345-3934 www.GreenWorksTools.com Read all safety rules and instructions carefully before operating this tool.
CONTENTS Contents............................................................................................................................... 2 Product Specifications ......................................................................................................... 2 Important Safety Instructions................................................................................................ 3 Symbols...................................................................................................
IMPORTANT SAFETY INSTRUCTIONS WA 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. • Always wear safety glasses with side shields marked to comply with ANSI Z87.1. Everyday glasses have only impact resistant lenses.
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. It may be toxic if swallowed. • Exercise care in handling batteries in order not to short the battery with conducting materials such as rings, bracelets, and keys. The battery or conductor may overheat and cause burns.
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.
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.
KNOW YOUR STRING TRIMMER 1 2 8 7 3 4 6 5 9 Fig.
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. 1. BATTERY PACK LATCH Press to release the battery pack from the tool. 2. REAR HANDLE Ergonomic handle with overmold improves comfort and grip. 3.
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. • Do not discard the packing material until you have carefully inspected and satisfactorily operated the tool. • If any parts are damaged or missing, please call 1-855-345-3934.
ASSEMBLY WA 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. WA R N I N G Do not attempt to modify this product or create accessories not recommended for use with this string trimmer. Any such alteration or modification is misuse and could result in a hazardous condition leading to possible serious personal injury.
ASSEMBLY ATTACHING THE GUARD (See Figure 2.) NOTE: Install the guard before the attachment is connected to the lower shaft. 1. 2. 3. Invert the string trimmer to access the trimmer head. Place the guard (1) on to the trimmer head. Align the screw holes on the guard with the screw holes on the trimmer head. 1 Fig. 2.1 4. Install the screws and tighten with a phillips screwdriver (not included). Fig. 2.
ASSEMBLY INSTALLING THE UPPER SHAFT TO THE LOWER SHAFT (See Figure 3.) WA 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. 1. Set the unit on a flat, level surface. 2. Loosen the knob (1) on the coupler (5). 3. Push in the release button (2) located on the lower shaft (3).
ASSEMBLY ATTACHING THE AUXILIARY HANDLE (See Figure 4.) 1. Loosen the two screws (1) in the handle with a philips screwdriver (not included) and remove the screws from the handle. 1 Fig. 4.1 2. 3. Attach the auxiliary handle (2) and lower clamp (3) on the shaft. Adjust handle up or down, if necessary, to desired operating position. 2 3 4. Fig. 4.2 Insert and tighten the two screws so that the handle cannot be rotated on the shaft.
ASSEMBLY ADJUSTING THE CUTTING SWATH (See Figure 5.) 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. This will maintain best performance and keep line long enough to advance properly. This trimmer is currently set at the 14 in. cutting swath. To adjust to a cutting swath of 16 in.
OPERATION WA R N I N G Do not allow familiarity with this product to make you careless. Remember that a careless fraction of a second is sufficient to inflict serious injury. WA R N I N G Do not use any attachments or accessories not recommended by the manufacturer of this product. The use of attachments or accessories not recommended can result in serious personal injury. WA R N I N G This string trimmer is not meant to be used with brush cutter attachments.
OPERATION INSTALLING THE BATTERY PACK (See Figure 6.) • Align the battery with the battery opening. • Insert battery pack into tool until an audible "click" is heard. REMOVING THE BATTERY PACK (See Figure 6.) • Depress the battery release button (1) in the back of the battery pack and pull battery pack out of tool. 1 Fig. 6 STARTING AND STOPPING THE TRIMMER (See Figure 7.) • Press the lock-off lever (2). Squeeze the switch trigger (3) to start. • Release the switch trigger to stop. 2 3 Fig.
OPERATION OPERATING THE TRIMMER (See Figure 8.) WA 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. 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 auxiliary handle. • Keep a firm grip with both hands while in operation.
OPERATION ADVANCING LINE (See Figure 9.) While the string trimmer is operating, the cutting line gets worn down and becomes shorter. This trimmer is equipped with bump feed line advancement, which advances additional line once the head is bumped on the ground while rotating. The cutting blade will cut the line to keep an accurate cutting swath. Bump knob Fig. 9 SPOOL REPLACEMENT (See Figure 10.) 1. Press the tabs simultaneously on the side of the trimmer head and remove cover and spool.
OPERATION Slot Fig. 10.2 7. With your finger between the lines, wrap the lines evenly and firmly around the spool in a clockwise direction. Fig. 10.3 8. Position the lines in the guide slots. Fig. 10.
OPERATION 9. Place the spool in the cover as shown below. Fig. 10.5 10. Insert the ends of the lines through the line exit holes in the sides of the cover. Fig. 10.6 11. Reinstall the spool and cover onto the trimmer head. Push until cover snaps into place. Fig. 10.
OPERATION REPLACING THE BUMP KNOB (See Figure 11.) 1. 2. Remove the battery pack. Press the tabs simultaneously on the side of the trimmer head and remove cover and spool. Cover Spool Tab Fig. 11.1 3. While holding the bump knob (1), firmly pull it out with a wrench. 1 Fig. 11.2 4. Replace with a new bump knob (1). Push the bump knob into the spool housing (2). 1 2 Fig. 11.
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. Avoid cutting in the dangerous area shown in figure 12. • Use the tip of string to do the cutting; do not force string head into uncut grass. • Wire and picket fences cause extra string wear and breakage. Stone and brick walls, curbs, and wood may wear string rapidly.
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.
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. WA R N I N G All toxic materials must be disposed of in a specified manner to prevent contamination of the environment. Before disposing of damaged or worn out Lithium-Ion battery packs, contact your local waste disposal agency, or the local Environmental Protection Agency for information and specific instructions.
TROUBLESHOOTING Problem String trimmer fails to start when trigger is depressed. Cause Solution 1. The battery pack is not connected to the trimmer. 1. Attach the battery pack to the trimmer. 2. No electrical contact between the trimmer and battery. 2. Remove battery check contact and reinstall the battery pack. 3. The battery pack is depleted. 3. Charge the battery pack. 4. The lock-off lever and trigger are not depressed simultaneously. 4.
TROUBLESHOOTING Problem Lines will not advance. Line keeps breaking. Cause Solution 1. Lines are welded to themselves. 1. Lubricate with silicone spray. 2. Not enough line on spool. 2. Install more line. Refer to Line Replacement earlier in this manual. 3. Lines are worn too short. 3. Pull both lines while pressing button. 4. Lines are tangled on spool. 4. Remove lines from spool and rewind. Refer to Line Replacement earlier in this manual. 1. Trimmer used incorrectly. 1.
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.
EXPLODED VIEW 1 8 9 10 11 17 12 13 14 16 15 28 7 6 5 4 3 2
PARTS LIST Item No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 Part No.
Greenworks Tools PO Box 1238 Mooresville, NC 28115 TOLL-FREE HELPLINE: 1-855-345-3934 Rev: 00 (01-11-17)