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Operator’s
Manual
Since it began making garden tools in
1850, Bolens has been known for long-
lasting, dependable products. Bolens
eventually carried that hard-working
heritage into the outdoor power
equipment industry, when it designed
and built the first-ever power-driven
garden tractor.
Today, homeowners around the country rely
on Bolens for durable, reliable power
equipment at an affordable price.
2-Cycle Gas Trimmer/Brushcutter
Model BL250
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INTRODUCTION THANK YOU TABLE OF CONTENTS Thank you for buying this quality product. This modern Service Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 outdoor power tool will provide many hours of useful service. Rules for Safe Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 You will find it to be a great labor-saving device. This operator’s manual provides you with easy-to-understand Know Your Unit . . . . . . . . . . . . . . . . . .
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RULES FOR SAFE OPERATION Read the Operator’s Manual(s) and follow all warnings and safety instructions. Failure to do so can result in serious injury to the operator and/or bystanders. FOR QUESTIONS, CALL 1-800-520-5520 • 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 warn
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RULES FOR SAFE OPERATION • Avoid creating a source of ignition for spilled fuel. Do not WHILE OPERATING WITH CUTTING BLADE start the engine until fuel vapors dissipate. • Read and understand all safety warnings before operating • Move the unit at least 30 feet (9.1 m) from the fueling this unit. source and site before starting the engine. Do not smoke. • Always use the shoulder harness when using the brush Keep sparks and open flames away from the area while blade accessory. adding fuel or opera
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RULES FOR SAFE OPERATION SAFETY AND INTERNATIONAL SYMBOLS This operator's manual describes safety and international symbols and pictographs that may appear on this product. Read the operator's manual for complete safety, assembly, operating and maintenance and repair information. SYMBOL MEANING SYMBOL MEANING • SAFETY ALERT SYMBOL • THROWN OBJECTS AND ROTATING CUTTER CAN CAUSE SEVERE Indicates danger, warning or caution. INJURY May be used in conjunction with other symbols or pictographs. WARNI
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RULES FOR SAFE OPERATION KNOW YOUR UNIT Applications As a brushcutter: As a trimmer: • Cutting weeds and light bush of up to 1/2 inch in diameter • Cutting grass and light weeds • Edging • Decorative trimming around trees, fences, etc. Fuel Cap On/Off Stop Control Throttle Lock-Out Starter Rope Grip Support Fitting Shaft Grip Throttle Control Throttle J-Handle Control Blade Shield / Shield Mount Blue Lever Shaft Housing Cutting Blade Cutting Attachment Shield Primer Bulb Gear Housing Muffler S
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ASSEMBLY INSTRUCTIONS On some units, the J-handle may be pre-installed. In this case INSTALL THE HARNESS you must loosen screws and adjust the handle to fit the Always use the shoul- operator. Go to step 5 if the J-handle is pre-installed. WARNING: der harness when INSTALL AND ADJUST THE J-HANDLE using the cutting blade to avoid serious person- al injury. 1. Place the J-handle between the top and middle clamp pieces (Fig. 1). 1. Push the strap through the center of the buckle. (4) Screws Fig. 1
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ASSEMBLY INSTRUCTIONS 2. Hold the locking rod in place by grasping it next to the Cutting Fig. 7 (3) Screws Attachment boom of the unit (Fig. 9). Shield 3. While holding the locking rod, remove the cutting attachment by turning it clockwise off of the output shaft (Fig. 10). Store the cutting attachment for future use. Gear Housing NOTE: The blade retainer under the cutting attachment will be used when installing the cutting blade. Fig. 9 Shield Mount Install the cutting attachment shield when u
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ASSEMBLY INSTRUCTIONS REMOVE THE CUTTING BLADE AND INSTALL THE 5. Make sure that the cutting blade is centered on the pilot CUTTING ATTACHMENT step and sitting flat against the output shaft bushing (Fig. 12). Remove the Cutting Blade To avoid serious person- If the cutting blade is WARNING: WARNING: al injury, always wear off-center, the unit will gloves while handling or installing the blade. vibrate and the blade may fly off, causing possi- ble serious personal injury. 1. Align the shaft bushi
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OIL & FUEL INFORMATION OIL AND FUEL MIXING INSTRUCTIONS Thoroughly mix the proper ratio of 2-cycle engine oil with unleaded gasoline in a separate fuel can. Use a 40:1 fuel/oil Old and/or improperly mixed fuel are the main reasons for ratio. Do not mix them directly in the engine fuel tank. See improper unit performance. Be sure to use fresh, clean the table below for specific gas and oil mixing ratios. unleaded fuel. Follow the instructions carefully for the proper fuel/oil mixture. NOTE: One g
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STARTING/STOPPING INSTRUCTIONS Fig. 16 On/Off Stop Control Operate this unit only in a well- Stop/Off (O) WARNING: ventilated outdoor area. Carbon monoxide exhaust fumes can be lethal in a confined area. Start/On (I) Throttle Lock-Out Avoid accidental starting. WARNING: Make sure you are in the starting position when pulling the starter rope (Fig. 18). To avoid serious injury, both the operator and unit must be in a stable position while starting. Throttle Control STARTING INSTRUCTIONS 1. Mix ga
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OPERATING INSTRUCTIONS Each time the head is bumped, about 1 inch (25.4 mm) of HOLDING THE TRIMMER trimming line is released. A blade in the cutting attachment Always wear eye, hear- shield will cut the line to the proper length if excess line is WARNING: ing, foot and body pro- released. tection to reduce the risk of injury when operat- For best results, tap the Bump Head™ on bare ground or hard ing this unit. soil. If line release is attempted in tall grass, the engine may stall. Always keep t
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OPERATING INSTRUCTIONS DECORATIVE TRIMMING The blade continues to WARNING: Decorative trimming is accomplished by removing all spin after the engine is vegetation around trees, posts, fences and more. turned off. The coasting blade can seriously cut you if accidentally touched. Rotate the whole unit so that the cutting attachment is at a 30° angle to the ground (Fig. 21). • Swing the unit in the opposite direction as the blade spins, which increases the cutting action. Fig. 21 • After the return
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MAINTENANCE & REPAIR INSTRUCTIONS NOTE: Maintenance, replacement, or repair of the emis- MAINTENANCE SCHEDULE sion control devices and system may be per- Perform these required maintenance procedures at the formed by any non-road engine repair establish- frequency stated in the table. These procedures should also ment, individual or authorized service dealer. be a part of any seasonal tune-up. In order to assure peak performance of your engine, NOTE: Some maintenance procedures may require inspe
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MAINTENANCE & REPAIR INSTRUCTIONS 9. Insert the end of the line into the open hole in the inner Fig. 27 Slotted Holes reel and pull the line tight to make the loop as small as possible (Fig. 30). 10. Before winding, split the line back about 6 inches. 11. Wind the line in tight even layers in the direction indicated on the inner reel. NOTE: Failure to wind the line in the direction indicated will cause the cutting attachment to operate incorrectly. For Use with Single For Use with SplitLine™ or
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MAINTENANCE & REPAIR INSTRUCTIONS INSTALLING A PREWOUND REEL Cleaning the Air Filter Clean and re-oil the air filter every 10 hours of operation. It is 1. Hold the outer spool with one hand and unscrew the bump an important item to maintain. Failure to maintain the air knob clockwise (Fig. 24). Inspect the bolt inside the bump filter will VOID the warranty. knob to make sure it moves freely. Replace the bump knob if damaged. 1. Remove air filter/muffler cover. Refer to Removing the Air 2. Remove
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MAINTENANCE & REPAIR INSTRUCTIONS SPARK ARRESTOR MAINTENANCE Fig. 36 1. Remove air filter/muffler cover. Refer to Removing the Air Filter/Muffler Cover. Exhaust Spark Bolts Gasket Arrestor 2. Locate muffler front and the two (2) bolts securing it to the engine (Fig. 36). Remove the two (2) bolts using a flatblade screwdriver or 5/16-inch socket or nut driver. Pull muffler off of the engine. 3. Turn muffler over to the back side and locate the exhaust gasket. Remove the muffler gasket from the m
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MAINTENANCE & REPAIR INSTRUCTIONS CARBURETOR ADJUSTMENT NOTE: The cutting attachment should not rotate when the engine idles. The idle speed of the engine is adjustable through the air filter/muffler cover (Fig. 38). 3. If the cutting attachment rotates when the engine idles, turn the idle speed screw counterclockwise 1/8 of a turn NOTE: Careless adjustments can seriously damage your at a time (as needed), to reduce idle speed. unit. An authorized service dealer should make Checking the fuel mix
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MAINTENANCE & REPAIR INSTRUCTIONS CLEANING 2. Start the engine and allow it to run until it stalls. This ensures that all fuel has been drained from the To avoid serious personal carburetor. WARNING: injury, always turn your 3. Allow the engine to cool. Remove the spark plug and put trimmer off and allow it to cool before you clean or 1 oz. (30 ml) of any high quality motor oil or 2-cycle oil service it. into the cylinder. Pull the starter rope slowly to distribute Use a small brush to clean off
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TROUBLESHOOTING ENGINE WILL NOT START CAUSE AC TION On/Off Stop Control is in OFF position Turn On/Off Stop Control to ON Empty fuel tank Fill fuel tank with properly mixed fuel Primer bulb wasn't pressed enough Press primer bulb fully and slowly 10 times Engine is flooded Use starting procedure with blue lever in Position 2 Old or improperly mixed fuel Drain gas tank and add fresh fuel mixture Fouled spark plug Replace or clean the spark plug Plugged spark arrestor Clean or replace spark arres
