Assessments - 4, GPA: 4
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Facilidade de uso
: Store the machine in a dry, high or locked location – out of the reach of children and other unauthorized persons. Sharpening Instructions The blades must be resharpened if cutting performance and behavior begin to deteriorate (i.e. if blades frequently snag on branches). It is best to have the cutting blades resharpened by a specialist on a workshop sharpener. STIHL recommends you have this work performed by a STIHL servicing dealer. It is also possible to use a flat crosscut sharpening file. See “Specifications” for prescribed sharpening angle. : Always file towards the cutting edge. : The file only sharpens on the forward stroke – lift it off the blade on the backstroke. : Use a whetstone to remove burr from cutting edge. : Remove as little material as possible. : After sharpening, clean filing or grinding dust off the cutting blades and lubricate with grease. Do not operate your machine with dull or damaged cutting blades. This may cause overload and will give unsatisfactory cutting results. HS 81 R, HS 81 T English / USA Maintenance Chart The following maintenance operations apply to normal operating conditions. If working conditions are difficult (very dusty work area, etc. ) or your daily working time is longer than normal, shorten the specified intervals accordingly. beforestarting workafter finishingwork or dailyafter each refueling stopweeklymonthlyyearlyif problemif damagedif required Complete machine Visual inspection (condition, leaks) X X Clean X Control handle Check operation X X Air filter Clean X X Replace X Filter in fuel tank Have checked by dealer1) X Have replaced by dealer1) X X X Fuel tank Clean X X Carburetor Check idle setting X X Readjust idle X Spark plug Readjust electrode gap X Replace after 100 hours of operation Cooling inlet Visual inspectiong X Clean X Spark arresting screen in muffler Have checked by dealer1) X Have cleaned or replaced by dealer1) X All accessible screws and nuts (not adjusting screws) Retighten X AV elements (springs) Visual inspection X Have replaced by dealer1) X X Cutting blade Clean X Sharpen X Gearbox lubrication Lubricate after 25 hours of operation Safety labels Replace X 1) STIHL recommends a STIHL servicing dealer HS 81 R, HS 81 T English / USA Parts and Controls 19 1= Starter grip8= Front handle15= Fan housing 2= Rear handle 9= Carburetor adjusting screw 16= Fuel pump 3= Trigger interlock10= Starting throttle lock 17= Choke lever 4= Throttle trigger11= Stop switch 18= Cutting blade scabbard 5= Blocking lever12= Fuel filler cap 19= Cutting blade guard 6= Filter cover13= Fuel tank 20= Cutting blades 7= Spark plug boot 14= Muffler # = Serial number HS 81 R, HS 81 T English / USA Definitions 1. Starter grip. The grip of the pull starter, which is the device to start the engine. 2. Rear handle. The support handle for the hand, located at or toward the rear of the hedge trimmer. 3. Trigger interlock. Must be depressed before activating the throttle trigger. 4. Throttle trigger. Controls the speed of the engine. 5. Blocking lever. Lever for rotating the rear handle. 6. Filter cover. Housing, which covers the air filter. 7. Spark plug boot Connects the spark plug with the ignition wire. 8. Front handle. Handle bar for the hand at front of hedge trimmer. 9. Carburetor adjusting screw. For tuning carburetor. 10. Starting throttle lock. Keeps the throttle partially open during starting. 11. Stop switch. Switches the engines ignition system off and stops the running engine. 12. Fuel filler cap. For closing the fuel tank. 13. Fuel tank. For gasoline and oil mixture. 14. Muffler. Reduces engine exhaust noise and directs the exhaust gases. 15. Fan housing. Polymer housing which encloses the power unit. 16. Fuel pump. Provides additional fuel feed for a cold start. 17. Choke lever Eases engine starting by enriching mixture. 18. Cutting blade scabbard. Covers cutting blades when hedge trimmer is not in use. 19. Cutting blade guard. Helps to reduce the risk of operator contact by the cutter blade. 20. Cutting blades. Steel blades for cutting hedges and shrubs. HS 81 R, HS 81 T English / USA Specifications Special Accessories EPA / CEPA: The Emission Compliance Period referred to on the Emissions Compliance Label indicates the number of operating hours for which the engine has been shown to meet Federal emission requirements. Category: A = 300 hours, B = 125 hours, C = 50 hours CARB: The Emission Compliance Period used on the CARB-Air Index Label indicates the terms: Extended = 300 hours, Intermediate = 125 hours, Moderate = 50 hours Moderate = 50 hours Engine Single cylinder two-stroke engine Displacement: 1.39 cu.in (22.7 cm3) Bore: 1.34 in (34 mm) Stroke: 0.98 in (25 mm) Engine power to ISO 8993: 0.90 bhp (0.7 kW) Idle speed: 2,800 rpm Ignition System Typ: Electronic magneto ignition Spark plug (suppressed): Bosch USR 7 AC Electrode gap: 0.02 in (0.5 mm) Fuel System Carburetor: All position diaphragm carburetor with integral fuel pump Fuel tank capacity: 0.97 ...