Husqvarna 257 B, 953900740, 953900739, 953900790, 257 L Declaration of conformity, Technical data

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N. Declaration of conformity

The undersigned, authorized by Husqvarna Outdoor Products Italia SpA, declares that the following products model /TYPE: BC022, BC010C, BC040 starting from the serial numbers produced from 2005 on, manufactured by Husqvarna Outdoor Products Italia SpA, Valmadrera, Italia, comply with European Directive: 98/37/EEC (Machine Directive), 93/68/EEC (EEC Marking Directive) & 89/336/EEC (Electromagnetic Compatibility Directive), directive 2000/14/EEC (Enclosure V).

Valmadrera, 10.11.06

Giuseppe Todero (Technical Manager)

Husqvarna Outdoor Products Italia SpA

Via Como 72, 23868 Valmadrera (Lecco) ITALY

O. Technical data

Displacement (cm3)

25

29

Bore (mm)

35

38

Stroke (mm)

26

26

Engine output (kW) (ISO 8893)

0,7

0,8

Maximum shaft rotation frequency (min-1)

7.300

7.300

Rotation speed (frequency of rotation) of engine at maximum rotation

 

 

frequency recommended for shaft (min-1)

10.220

10.220

Engine speed at max power (min-1)

7500

7500

Minimum speed (min-1)

2800

2800

Maximum speed, no load (min-1)

9500

9500

Dry weight (kg)

5,8

5,8

Fuel tank capacity (cm3)

620

620

Blade locking nut tightening torque (Nm)

17

17

Noise pressure (at operator ear) Lpav (dBA) (ISO 7917)

99

99

Measured sound power level Lwav (dBA) (ISO 10884)

112,57

112,57

Guaranteed noise level Lwav (dBA) (ISO 10884)

113

113

Vibrations level string head (ISO 7916) (m/s2) max-min

8,70-2,99 12,36-5,27

Vibrations level blade (ISO 7916) (m/s2) max-min

12,40-3,94

14,16-5,27

ENGLISH - 9

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Contents Italia Ltr F4/5 15 cmSafety precautions Explanation of Symbols General descriptionSembly and fueling should be done with Work zone During useDescription of the safety devices on the machine 3 43 4 6 7 9 Assembly/disassembly Fuel storageMove stop switch to the on position 6 7 8 9 10 11 12 14Starting and stopping the engine Pull starter rope3 4 7 9 10 5 6 7 810 11 12 13 14 16 Troubleshooting table Environmental informationDesign Runs but doesTechnical data Declaration of conformity

249953, 257 B, 297 L, 257 L, 953900790 specifications

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