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U
O
OPERATOR'S MANUAL
18V CORDLESS STRING TRIMMER
MODEL NO. UT31810
THANK YOU FOR BUYING A HOMELITE CORDLESS STRING TRIMMER
Your new cordless string trimmer has been engineered and manufactured to Homelite's high standard for
dependability, ease of operation, and operator safety. Properly cared for, it will give you years of rugged, trouble-free
performance.
CAUTION: Carefully read through this entire operator's manual before using your new cordless string
trimmer.
Pay close attention to t
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TABLE OF CONTENTS Rules for Safe Operation................................................................................................................................ 2 - 5 Safety Symbols .................................................................................................................................................... 6 Features ....................................................................................................................................................
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RULES FOR SAFE OPERATION • Wear a face or dust mask if the operation is dusty. READ ALL INSTRUCTIONS • Dress properly. Do not wear loose clothing or BEFORE OPERATING jewelry; they can be caught in moving parts. Use of • Read the instructions carefully. Be familiar with the rubber gloves and substantial footwear is recom- controls and proper use of the unit. mended when working outdoors. • Do not operate this unit when tired, ill, or under the • To prevent hair from being drawn into nearby air in
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RULES FOR SAFE OPERATION • Before starting the unit, make sure the string head BATTERY SAFETY will not come in contact with anything. • Battery operated units do not have to be plugged • If you strike or become entangled with foreign into an electrical outlet; therefore, they are always objects, stop the unit immediately, remove the in operating condition. Be aware of possible battery pack and check for damage. Do not hazards even when unit is not operating. operate before repairing damage. Do n
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RULES FOR SAFE OPERATION • Do not dispose of batteries in a fire. The cell may b. That extension cord is properly wired and in explode. Batteries should be recycled, consult good electrical condition; and your local waste authority for information regarding c. That wire size is large enough for AC ampere available recycling and/or disposal options. rating of charger as specified below: • When battery pack is not in use, keep it away from Cord Length (Feet) 25' 50' 100' other metal objects like:
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SAFETY SYMBOLS The purpose of safety symbols is to attract your attention to possible dangers. The safety symbols, and their explanations, deserve your careful attention and understanding. The safety warnings do not by themselves eliminate any danger. The instructions or warnings they give are not substitutes for proper accident prevention measures. SYMBOL MEANING SAFETY ALERT SYMBOL Indicates danger, warning, or caution. Attention is required in order to avoid serious personal injury. May be us
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U O FEATURES MODEL UT31810 - 18V CORDLESS STRING TRIMMER TRIGGER LOCK BATTERY BUTTON PACK REAR HANDLE ANCHOR SCREW TRIGGER FRONT HANDLE SHAFT ADJUSTIMENT COLLAR MOTOR HOUSING GRASS SHIELD CUTTING LINE Fig. 1 CUT OFF BLADE Page 7 18.0v N L K C L
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U U U O O O ASSEMBLY • Lower shaft should now be free to slide down from INSTALLING GRASS SHIELD inside the upper shaft. Make sure the shaft is Remove both screws on the motor housing. Orient pulled out to the desired position. See Figure 4. grass shield on the motor housing and twist to lock in place as shown. Re-install screws to secure grass shield in place. See Figure 2. GRASS SHIELD RE-INSTALL BOTH SCREWS SLIDE OUT TO DESIRED POSITION REMOVE BOTH SCREWS MOTOR Fig. 2 HOUSING Fig. 4 ADJUSTING
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OPERATION • Normally, the yellow and green lights on the charger will come on. This indicates charger is in WARNING: control charge mode and should switch to fast If any parts are missing, do not operate unit until charge mode within 5 minutes. When charger is in the missing parts are replaced. Failure to do so fast charge mode the yellow and green lights will could result in possible serious personal injury. go off and the red light will come on. If after a period of 15 minutes the yellow and
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18.0V OPERATION IMPORTANT INFORMATION FOR TO REMOVE BATTERY PACK RECHARGING HOT BATTERY PACK • Locate latches on side of battery pack and depress When using your string trimmer continuously, the both sides to release the battery pack from the batteries in your battery pack will become hot. You string trimmer. See Figure 7. should let a hot battery pack cool down for approxi- • Remove battery pack from the string trimmer. mately 30 minutes before attempting to recharge. NOTE: This situation only
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K C N L U K C O 18.0v OPERATION HOLDING THE STRING TRIMMER USING THE STRING TRIMMER ADVANCING LINE Your string trimmer is equipped with a string head, WARNING: which allows the operator to release more cutting line Dress properly to reduce the risk of injury when without stopping the motor. As the line becomes worn operating this unit. Do not wear loose clothing or or frayed, additional line can be released by lightly jewelry. Wear eye protection. Wear heavy, long tapping the string head on th
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OPERATION CUTTING LINE • Wire and picket fences cause extra line wear, even breakage. Stone and brick walls, curbs, and This string trimmer is equipped with a string cut off wood may wear line rapidly. Walk around trees blade on the grass shield. See Figure 11. For best and shrubs. Tree bark, wood moldings, siding, and cutting, advance line until it is trimmed to length by the fence posts can easily be damaged by the line. string cut-off blade. Advance line whenever you hear the motor running fa
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R E W I N MAINTENANCE AND REPAIR • While pressing in the tabs, push down the spool cap and spool to lock in place. CAUTION: Do not at any time let brake fluids, gasoline, • Completely assembled string head should appear petroleum based products, penetrating oils, etc., as shown. See Figure 14. come in contact with plastic parts. They contain chemicals that may damage, weaken, or destroy SPOOL CAP plastics. TABS BUMP KNOB CUTTING LINE REPLACEMENT The cutting line may be replaced by either rew
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MAINTENANCE AND REPAIR INSTALLING A PREWOUND SPOOL BATTERIES See Figure 13. Your battery pack is equipped with Nickel-Cadmium • Remove the battery pack from the string trimmer. rechargeable batteries. Length of service from each charging will depend on the type of work you are doing. • Press in the tabs on each side of the spool cap. The batteries in this unit have been designed to • Remove the spool cap and spool. provide maximum trouble-free life. However, like all NOTE: If the spring falls o
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1 . 8 E 0 L 0 . C 8 MAINTENANCE AND REPAIR CLEANING THE STRING TRIMMER WARNING: Do not attempt to modify this unit or create or WARNING: mount any accessory not specifically recom- Battery units do not have to be plugged into an mended in this manual for use with this string electrical outlet; therefore, they are always in trimmer. Any such alteration or modification is operating condition. To prevent serious personal misuse and could result in a hazardous condition injury, always remove the
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TROUBLESHOOTING BATTERY PACK WILL NOT CHARGE POSSIBLE CAUSE POSSIBLE SOLUTION No power to charger or battery pack. Check charger. Battery pack has failed. Replace battery pack. MOTOR OPERATES SLOWLY OR WILL NOT OPERATE POSSIBLE CAUSE POSSIBLE SOLUTION Battery pack is not charged. Charge battery pack. STRING HEAD WILL NOT ADVANCE LINE POSSIBLE CAUSE POSSIBLE SOLUTION String head bound with grass. Stop the unit and clean string head. String head out of line. Refill with new line. Spool bound up. R
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HOMELITE PRODUCTS LIMITED WARRANTY Homelite Consumer Products, Inc. warrants to the original retail In addition, this warranty does not cover: ® purchaser that this HOMELITE Product is free from defect in A. Tune-ups – Spark Plugs, Carburetor Adjustments, Filters material and workmanship and agrees to repair or replace, at B. Wear Items – Bump Knobs, Outer Spools, Cutting Line, Inner Homelite Consumer Products, Inc.'s discretion, any defective Reels, Starter Pulley, Starter Ropes, Drive Belts. P
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OPERATOR'S MANUAL 18V CORDLESS STRING TRIMMER MODEL NO. UT31810 SERVICE Now that you have purchased your unit, should a need ever exist for repair parts or service, simply contact your nearest Homelite Authorized Service Center. Be sure to provide all pertinent facts when you call or visit. Please call 1-800-chainsaw (1-800-242-4672) for your nearest Homelite Authorized Service Center. You can also check our web site at www.homelite.com for a complete list of Authorized Service Centers. MODEL N
