User manual HUSQVARNA 375 K

[. . . ] Operator's manual (EPA) 371K 375K Please read these instructions carefully and make sure you understand them before using the machine. English SYMBOL EXPLANATION Symbols on the power cutter: WARNING!Careless and incorrect use can result in serious or fatal injury to the operator or others. Please read the instructions carefully and make sure you understand them before using the power cutter. ! WARNING!Some dust created by power sanding, sawing, grinding, drilling and other construction activities contains chemicals known (to the State of California) to cause cancer, birth defects or other reproductive harm. [. . . ] • Never use a blade that has fallen on the floor. Diamond blades Diamond blades consist of a steel body with segments that contain industrial diamonds DIAMOND BLADES, TYPES AND USES Diamond blade General characteristics Low cost per cutting operation. Material Water cooling Assembly • Check that the blade is fitted correctly and is secure. • Follow all specifications in the table below. All brickwork, Increases the reinforced blade’s service concrete and life other composite materials. NOT recommended for metal. Specifications for fitting blades Standard blades centre hole (spindle) Reducing bush* inches mm . 787 20 7/8 22, 2 1 25, 4 ! Highly compressible, e. g. Cool diamond blades continuously with water to prevent overheating that can cause the blade to break and pieces being thrown off resulting in injury and damage. Using diamond blades Proceed as follows: • Let the cutting blade rotate in the same direction as the arrow markings indicate. • Remove the cutting blade when the machine is transported. Max. thickness Blade thickness Min thickness 3 mm (1/8") Material Backing pad (Must be used) Max. thickness 0, 5 mm (. 020") Spindle hole/ drive shaft Flange tightening Blade/guard Play 0, 2 mm (. 010") Avoid: • Running the cutting blade in the wrong direction. The bolt is tightened to 15-25 Nm • Forcing a dull blade or wedging the blade into a cut. Check that the blade runs free of the guard. • Transporting the power cutter with the blade fitted. • Letting the blade fall on the work piece. * Plastic reducing bushes may only be used with abrasive discs. Do not use reducing bushes with diamond blades or tungsten carbide blades. We recommend that the spindle is replaced so that it fits the blades to be used rather than using a reducing bush. Contact your service workshop for details. Diamond blades for dry cutting Diamond blades for dry cutting are a new generation of blades that do not require water cooling. However, the blades are still damaged by excessive heat. It is good economics to let the blade cool by simply lifting the blade from the cut every 30–60 seconds and let it rotate in the air, for 10 seconds to cool. English – 11 WHAT IS WHAT? 22 19 1 14 5 2 21 15 6 18 20 16 3 7 23 4 11 8 12 9 10 13 17 What is what on a power cutter? 1. Cylinder cover Muffler Fuel tank Rear handle Choke / Throttle trigger lockout Throttle catch Stop switch Cutting head Cutting arm 13. Throttle 12 – English ASSEMBLY Fitting the cutting head Remove the bolt (1) and nut (2). Fit the drive belt over the clutch drum. Refit the cover and tighten the bolt (1) and nut (2). Fitting the cutting blade Husqvarna cutting blades are manufactured and approved for freehand cutting. The paper labels on each side of the blade are there to distribute the pressure from the flange washer and prevent the blade from slipping. 2 1 The blade is placed between the flange hub (A) and the flange washer (B). The flange washer is turned so that it fits in the flange hub. [. . . ] Check the carburettor. English – 21 TECHNICAL DATA 371K Engine Cylinder volume, cu. in/cm3 Cylinder bore, inch/mm Stroke, inch/mm Idle speed, rpm Max. speed, unloaded, rpm Power, kW 4, 3/70, 7 1, 97/50 1, 4/36 2 500 9 800 ± 250 3, 5/ 9 300 4, 6/74, 7 2, 02/51, 4 1, 4/36 2 500 9 800 ± 250 3, 7/ 9 800 375K Ignition system Manufacturer Type of ignition system Spark plug Electrode gap, inch/mm FHP CD Champion RCJ-7Y NGK BPMR 7A 0, 02/0, 5 SEM CD Champion RCJ-7Y NGK BPMR 7A 0, 02/0, 5 Fuel and lubrication system Manufacturer Carburettor type Fuel capacity, US pint/litre Walbro HD 20 1, 63/0, 77 Walbro HD 20 1, 63/0, 77 Weight Without fuel and cutting blade, Lbs/kg 12" (∅ 300 mm) 14" (∅ 300 mm) 20, 7/9, 4 – – 21, 4/9, 7 Cutting equipment Cutting blade 12" 14" Gear ratio 1:1. 97 1:1. 97 Max. peripherical speed 80 m/s 100 m/s 22 – English ´®z+H2e¶5§¨ FEDERAL EMISSION CONTROL WARRANTY STATEMENT YOUR WARRANTY RIGHTS AND OBLIGATIONS The EPA (The US Environmental Protection Agency), Environment Canada and Husqvarna Forest & Garden are pleased to explain the emissions control system warranty on your 2002 and later small off-road/nonroad engine. and Canada, new small off-road/nonroad engines must be designed, built and equipped to meet the federal stringent anti-smog standards. [. . . ]