Operator’s Manual 22” String Trimmer Mower Model 258 IMPORTANT: READ SAFETY RULES AND INSTRUCTIONS CAREFULLY Warning: This unit is equipped with an internal combustion engine and should not be used on or near any unimproved forestcovered, brush-covered or grass-covered land unless the engine’s exhaust system is equipped with a spark arrester meeting applicable local or state laws (if any). If a spark arrester is used, it should be maintained in effective working order by the operator.
TABLE OF CONTENTS Content Important Safe Operation Practices Slope Gauge Assembling Your String Trimmer Know Your String Trimmer Mower Operating Your String Trimmer Mower Page 3 6 7 8 9 Content Making Adjustments Maintaining Your String Trimmer Trouble Shooting Illustrated Parts List Warranty Page 9 10 13 14 16 FINDING MODEL NUMBER This Operator’s Manual is an important part of your new lawn mower. It will help you assemble, prepare and maintain the unit for best performance.
SECTION 1: IMPORTANT SAFE OPERATION PRACTICES WARNING: This symbol points out important safety instructions which, if not followed, could endanger the personal safety and/or property of yourself and others. Read and follow all instructions in this manual before attempting to operate this machine. Failure to comply with these instructions may result in personal injury. When you see this symbol - heed its warning.
9. Trim or mow only in daylight or good artificial light. Walk never run. 10. Stop the trimmer head when crossing gravel drives, walks or roads. 11. If the equipment should start to vibrate abnormally, stop the engine and check immediately for the cause. Vibration is generally a warning of trouble. 12. Shut the engine off and wait until the trimmer head comes to a complete stop before replacing trimmer line, making any adjustment or repairs.
up. Clean up oil or fuel spillage and remove any fuel soaked debris. 10. Allow mower to cool at least 5 minutes before storing. 7. General Service: 1. Never run an engine indoors or in a poorly ventilated area. Engine exhaust contains carbon monoxide, an odorless and deadly gas. 2. Before cleaning, repairing, or inspecting, make certain the trimmer head and all moving parts have stopped. Disconnect the spark plug wire and ground against the engine to prevent unintended starting. 3.
SECTION 2: SLOPE GAUGE Use this page as a guide to determine slopes where you may not operate safely. Do not operate your lawn mower or string trimmer mower on such slopes. FOL D O N DOT TED SIGHT AND HOLD THIS LEVEL WITH A VERTICAL TREE NG A 15 ° SL OPE OR A FENCE POST A CORNER OF A BUILDING A POWER POLE LINE , RE P R ESE NTI 15° WARNING Do not trim or mow on inclines with a slope in excess of 15 degrees (a rise of approximately 2-1/2 feet every 10 feet).
SECTION 3: ASSEMBLING YOUR STRING TRIMMER MOWER IMPORTANT: This unit is shipped without gasoline or oil in the engine. Be certain to service engine with gasoline and oil as instructed in the separate engine manual before operating your mower. Loew Lower Lower Handle Connector Low Upper Handle Connector NOTE: Reference to right or left hand side of the string trimmer mower is observed from the operating position.
SECTION 4: KNOW YOUR STRING TRIMMER MOWER Control Lever Control Lock Bracket Starter Handle Handle Connectors Trimmer Deflector Assembly Spindle Assembly Trimmer Line String Cutting Blade Bracket Figure 4 Trimmer Deflector Assembly Read this operator’s manual and safety rules before operating your string trimmer mower. Compare the illustrations in Figure 4 with your string trimmer mower to familiarize yourself with the location of various controls and adjustments.
SECTION 5: OPERATING YOUR STRING TRIMMER MOWER NOTE: See your engine manual packed with your unit for more detailed instructions. WARNING: Debris thrown from the string trimmer mower can result in foreign objects being thrown into the eyes, which can cause severe eye damage. Always wear safety glasses included with unit or eye shields when operating the string trimmer mower. WARNING: Never run the engine indoors or in a poorly ventilated area.
• Secure the handle connectors in position by tightening each wing nut (carriage bolts must be seated properly into the handle and grooves must line up between connectors). Also make certain the bottom tip of the upper handle connector in front of the bottom tip of lower handle connector. See Figure 5. • • • WARNING: The wings nuts are designed not to be removed from the spindle shaft by hand or using a tool.
WARNING: Always stop engine and disconnect spark plug wire before cleaning, lubricating or doing any kind of maintenance on your string trimmer mower. • Lubrication cleaner, refer to the separate engine manual packed with your unit. The spark plug should be cleaned and the gap reset once a season. Check engine manual for correct plug type and gap specifications. Threading Trimmer Line Control Lever: Lubricate the pivot points on the control lever at least once a season with light oil. See Figure 7.
Drive Belt Removal And Replacement • • • • • • • Disconnect the spark plug wire and ground it against the engine. Drain the fuel tank or place a piece of plastic beneath the cap to prevent gasoline leakage. If unit is tipped for easier access to belt, tip the string trimmer mower back on its side to keep engine spark plug side up. Remove the trimmer line from both sides of the spindle assembly. Remove carriage screws, washers, and hex nuts that secure the trimmer deflector to the base. See Figure 9.
SECTION 8: TROUBLESHOOTING Problem Cause Remedy Engine fails to start 1. Spark plug wire disconnected. 2. Fuel tank empty or stale fuel. 3. Throttle control lever not in correct starting position. (If Equipped) 4. Blocked fuel line. 5. Faulty spark plug. 6. Engine flooded 1. Connect wire to spark plug. 2. Fill tank with clean, fresh gasoline. 3. Move throttle lever to FAST or START position. 4. Clean fuel line. 5. Clean, adjust gap, or replace. 6. Wait a few minutes to restart, but do not prime.
