Оценок - 5, средний балл: 3.6
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Фрагмент инструкции
Blow out all loose carbon with compressed air. Install muffler and gasket. Clean Contact your nearest authorized dealer. 7. Engine overheats. Insufficient oil in fuel mixture. Air flow obstructed. Mix fuel as described in starting instructions. Clean flywheel, cylinder fins and screen. 8. Engine noisy or knocking. Loose flywheel. Spark plugs incorrect heat range. Worn bearings, piston ring or cylinder walls. Tighten flywheel nut. Replace with plugs specified for engine. Contact your nearest authorized dealer. 9. Engine stalls under load. Carburetor adjustment too “lean”. Engine overheats. See “Carburetor Adjustment”. Remove dust and dirt from between cylinder fins. B. Engine Specifications Dry Weight 2.5 kg –– 5 lbs., 10 ounces Fuel Premixed two stroke fuel Type of Engine Air Cooled, Two stroke, Single-Fuel Oil Ratio 50:1 ratio with ECHO or Little Cylinder, Gasoline Engine Wonder oil Rotation Counterclockwise, viewed from TOP Gasoline Unleaded, 89 octane or higher Bore 32.2 mm (1.268 in.) Displacement 21.2 cc (1.294 cu. in.) Stroke 26.0 mm (1.04 in. ) Exhaust System Spark arrester muffler Spark Plug NGK BPM7Y, Champion RCJ-7Y or Carburetor ZAMA diaphragm model C1U type. RCJ-8Y The spark plug gap is RPM at idle 2800 + -250 RPM 0.65 mm (0.026”). Ignition System There are no adjustments required Refer to Owner’s Manual, for for the ignition service Procedure C. Service Maintenance Guide Area Maintenance Frequency Air Filter Clean Replace Daily or every 4 hrs. use Every 3 mths. or 100 hrs. use Fuel Filter Inspect / Replace Monthly Spark Plug Clean Replace Every 3 mths. or 100 hrs. use 6 months or 300 hrs. use Carburetor Check / Rebuild Replace 6 months or 300 hrs. use Yearly or 600 Hrs. use † Cooling System Inspect / Clean Before Use Muffler (Spark Arrestor) Inspect / Clean Monthly Gear Housing Check Grease Every 50 hours of use Blades Inspect / Clean / Lubricate After Use Fuel Leaks Inspect / Repair Before Use Fasteners Inspect / Tighten / Replace Before Use Labels Inspect / Replace Before Use Handles Inspect / Replace Before Use Guards / Safety Devices Inspect / Replace Before Use Fuel Line Inspect / Replace Monthly Starter Rope Inspect / Replace Monthly Fuel Strainer Replace Every 3 mths. or 100 hrs. use Choke Check With each re-fueling Ignition System Clean Replace No maintenance For coil and flywheel † Replacement will be required for commercial use after 600 hours. For customer use, cleaning every six months is required. Cleaning includes rebuild kits. IMPORTANT: Time intervals shown are maximum. Actual use and your experience will determine the frequency of required maintenance. D. Blade Adjustment and Comb Orientation The care and adjustment of the blades is very important to the efficient operation of the trimmer and especially to the long life of the engine. 1. Place trimmer in vise, clamping on the frame bar. Be careful! Blades are sharp! 2. Using a 7/16” wrench, loosen all blade locknuts and unscrew the large head screws by two turns. 3. Starting with the screw nearest the gear housing, tighten the screw until the blade guard of the single edge trimmer or the protective comb of the double edge trimmer can just be moved with finger pressure and a .0015" (1 1/2 thou.) feeler blade just slips under the blade guard or comb. Tighten the locknuts while holding the screw stationary in its correct adjusted position. 4. Repeat Step 3 on the screws in turn until all are correctly adjusted. 5. Orientation of the comb is very important. The comb has staggered teeth for better cutting performance. Correct comb orientation is shown below. NOTE: Correct blade adjustment can only be achieved on clean, oiled blades. Single Edge Double Edge Comb Orientation E. Carburetor Adjustment 1. General NOTE: The diaphragm carburetor has three external adjustments. Each adjustment affects the others. The idle speed adjustment screw controls the throttle opening at idle position. The low (LO) speed adjustment screw controls the volume of fuel mixture at low engine speed. It also controls the supplementary fuel required to obtain smooth progression from idling to high speed. The high (HI) speed adjustment screw controls the volume of fuel mixture at full throttle. 2. Carburetor Adjustment Every unit is run at the factory and the carburetor is set in compliance with EPA Phase I / California Emission Regulations. In addition, the carburetor is equipped with HI and LO needle adjustment limiters that prevent settings outside acceptable limits. Limiter caps must remain or be replaced on both the Hi and Lo carburetor adjusting screws. There is no limiter cap on the idle screw. NOTE: The needle screws have a sharp point. To avoid damage to the carburetor, do not use excessive force. a. Before adjusting carburetor clean or replace air filter and muffler, "Spark Arrestor Screen". b. Make sure the cutting attachment such as hedge clipper blades are properly adjusted. e. Idle Speed Adjustment Units with Cutting Attachments. Turn "idle" spee...
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