Trim ‘n Edge model UT20779 OPERATOR'S MANUAL 3 2 1 STO OP P 25cc String Trimmers Trimlite model UT20763 3 2 1 STO ST P Easy Reach model UT20778 3 2 1 STOP STO P Your new 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. WARNING: To reduce the risk of injury, the user must read and understand the operator’s manual.
TABLE OF CONTENTS ■ Introduction ................................................................................................................................................................. 2 ■ Important Safety Instructions ................................................................................................................................. 2 - 3 ■ Symbols ....................................................................................................................................
IMPORTANT SAFETY INSTRUCTIONS ■ Product users on United States Forest Service land, and in some states, must comply with fire prevention regulations. This product is equipped with a spark arrestor; however, other user requirements may apply. Check with your federal, state, or local authorities. ■ Wear eye protection which is marked to comply with ANSI Z87.1 as well as hearing protection when operating this equipment. ■ Wear heavy long pants, shoes, and gloves.
SYMBOLS Important: Some of the following symbols may be used on your tool. Please study them and learn their meaning. Proper interpretation of these symbols will allow you to operate the tool better and safer. SYMBOL NAME EXPLANATION Safety Alert Symbol Indicates danger, warning or caution. It means attention!!! Your safety is involved.
SPECIFICATIONS Weight - (without fuel) ............................................................................................................................ 9.1 lbs. (4.13 kg.) Cutting swath ............................................................................................................................................ 17 in. (432 mm) Engine displacement .........................................................................................................................................
FEATURES PRIMER BULB Trim ‘n Edge model UT20779 3 2 1 STOP OP STARTER GRIP CHOKE LEVER STOP BUTTON FRONT HANDLE REAR HANDLE DRIVE SHAFT HOUSING THROTTLE TRIGGER GRASS DEFLECTOR EDGER ATTACHMENT (TRIM ‘N EDGE ONLY) STRING HEAD Fig. 1b PRIMER BULB Easy Reach models UT20778 3 2 1 STOP STOP STARTER GRIP CHOKE LEVER STOP BUTTON FRONT HANDLE REAR HANDLE DRIVE SHAFT HOUSING THROTTLE TRIGGER GRASS DEFLECTOR STRING HEAD Fig.
ASSEMBLY If your unit has been preassembled, check each step to make sure the unit has been properly assembled. FRONT HANDLE FRONT HANDLE See Figure 2. 1. Remove the front handle, bolt, and wing nut from the Owner’s Kit. 2. Install the front handle onto the top side of the drive shaft housing and move it to a comfortable position. 3. Place the bolt through the front handle as shown, then install the wing nut. 4. Tighten wing nut securely.
ASSEMBLY GRASS DEFLECTOR WITH EDGER GUIDE TRIM ‘N EDGE ONLY (Continued) See Figures 5 and 6. 1. Remove the wing nut, flat washer, lock washer, and bolt from the Owner’s Kit. 2. Place the grass deflector over the shaft and bracket. 3. Slide the assembled edger guide over the tabs on the grass deflector and bracket. 4. Place the bolt through the slots in the tabs on the grass deflector and trimmer. NOTE: Ensure the slots are aligned before installing the bolt. 5.
OPERATION FUELING AND REFUELING THE TRIMMER OPERATING THE TRIMMER FUEL MIXTURE This product is powered by a 2-cycle engine and requires pre-mixing gasoline and 2-cycle oil. Pre-mix unleaded gasoline and 2-cycle engine oil in a clean 1 gallon container approved for gasoline. Recommended fuel: This engine is certified to operate on unleaded gasoline intended for automotive use. Mix Homelite Premium Exact Mix oil with gasoline according to the instructions on the package.
OPERATION ADVANCING THE STRING ADVANCING STRING USING THE EZ LINE™ TAP ADVANCE SYSTEM String advance is controlled by tapping string head on grass while running engine at full throttle. 1. Run engine at full throttle. 2. Tap string head on ground to advance string. String advances each time the head is tapped. 3. Several taps may be required until string strikes the cut off blade. 4. Resume trimming. NOTE: If the string is worn too short you may not be able to advance the string by tapping it on the ground.
OPERATION EDGER GUIDE OPERATION - TRIM ‘N EDGE ONLY See Figures 10 and 11. ■ Loosen the wing nut and slide the edger guide to adjust it to the desired trimming length then retighten the wing nut securely. Refer to “Edger Guide Assembly” earlier in this manual for additional information. ■ The edger guide allows the trimmer to be used as an edger for cutting along sidewalks, driveways, flower beds, etc. The edger guide is convenient to use and supports the trimmer as it is being used as an edger.
OPERATION STARTING AND STOPPING PRIMER BULB See Figure 12 and 13. TO START A COLD ENGINE: 1. Lay the trimmer on a flat, bare surface. 2. Push the primer bulb 8 to 10 times. 3. Set the choke lever to the choke position . 4. Squeeze the throttle trigger to the full throttle position. 5. Pull the starter until the engine tries to run. No more than 6 pulls. 6. Set the choke lever to the half choke position . 7. Hold the trigger and the pull starter rope until the engine runs. 8.
MAINTENANCE WARNING: Use only original manufacturer's replacement parts, accessories and attachments. Failure to do so may cause poor performance, possible injury and may void your warranty. You can often make adjustments and repairs described here. For other repairs, have the trimmer serviced by an authorized service dealer. SPOOL RETAINER SPOOL REPLACEMENT EZ LINE™ TAP ADVANCE SYSTEM NEW PREWOUND SPOOL See Figures 14 and 15. Fig.
MAINTENANCE STRING REPLACEMENT See Figures 16, 17, 18 and 19. 1. Stop the engine, disconnect the spark plug wire. Hold the string head and unscrew the spool retainer. Turn counterclockwise. 2. Remove the spool from the string head. NOTE: Keep the spring attached to the spool. Remove any old string remaining on the spool. 3. Cut two pieces of string, each being approximately 9 ft. (2.7 m) long. Use only .080 in. (2.0 mm) diameter monofilament string. 4.
MAINTENANCE REPLACING AND CLEANING AIR FILTER LATCH See Figures 20 and 21. For proper performance and long life, keep air filter clean. 1. Remove the air filter cover by pushing down on the latch with your thumb while gently pulling on the cover. 2. Remove the filter, clean it in warm soapy water. Rinse and let dry completely. For best performance, replace annually. 3. Install the filter, align tabs, push in, and make sure the latch snaps and latches into place.
TROUBLESHOOTING PROBLEM POS SIBLE CA USE POSSIBLE CAUSE SOLUTION Engine will not start: 1. No spark. 1. To check for spark: Disconnect the spark plug wire. Reattach the spark plug wire and lay spark plug on metal cylinder. Pull the starter rope and watch for spark at spark plug tip. If there is no spark, repeat test with a new spark plug. 2. Push primer bulb until bulb is full of fuel. If bulb does not fill, primary fuel delivery system is blocked. Contact a service dealer.
TROUBLESHOOTING PROBLEM POS SIBLE CA USE POSSIBLE CAUSE SOLUTION Grass wraps around shaft housing and stringhead: 1. Cutting tall grass at ground level. 2. Operating trimmer at part throttle. 1. Cut tall grass from the top down. Spool retainer hard to turn: Screw threads dirty or damaged. Clean threads and lubricate with grease - if no improvement, replace spool retainer. Oil drips from muffler: 1. Operating trimmer at part throttle 2. Check oil/fuel mixture. 3. Air filter dirty. 1.
WARRANTY LIMITED WARRANTY STATEMENT Homelite Consumer Product, Inc. warrants to the original retail purchaser that this HOMELITE product is free from defect in material and workmanship and agrees to repair or replace, at Homelite Consumer Products, Inc.’s discretion, any defective product free of charge within these time periods from the date of purchase.
WARRANTY LIMITED WARRANTY FEDERAL EMISSION CONTROL SYSTEMS - NON-ROAD AND SMALL OFF-ROAD ENGINES The U.S. Environmental Protection Agency (EPA) and Homelite Consumer Products, Inc. are pleased to explain the Emission Control System Warranty on your nonroad or small off-road engine. 1997 and later model year nonroad engines must be designed, built and equipped, at the time of sale, to meet the U.S. EPA regulations for small nonroad engines.
WARRANTY EMISSIONS MAINTENANCE SCHEDULE AND WARRANTED PARTS LIST Emissions Parts Inspect Before Clean Every Each Use 5 Hours Replace Every 25 Hours or Yearly Clean Every 25 Hours or Yearly AIR FILTER ASSY INCLUDES: FILTER .............................................................................. X........................................... X SPARK SCREEN ....................................................................................................................................................
SERVICE PARTS A. P/N UP04634 B. C. UP04629 UP08713 UP03858 D. UP05875 UP04741 E. F. UP04270 UP08714 UP00020 G. H. I. J. K. UP04708 UP03025 UP03091 UP04557 UP03010 UP00710 UP04891 L.
OPERATOR'S MANUAL 25cc String Trimmers Trimlite Model No. UT20763 Trim ‘n Edge Model No. UT20779 Easy Reach Model No. UT20778 WARNING: The engine exhaust from this product contains chemicals known to the State of California to cause cancer, birth defects or other reproductive harm CALIFORNIA PROPOSITION 65 SERVICE For parts or service, contact your nearest Homelite authorized service dealer. Be sure to provide all relevant information when you call or visit.