McCulloch M4620 Manual de Instruções descarregar pdf (Página 17)

TECHNICAL DATA SHEET

Engine M4620

Cylinder volume, cm

Stroke, mm 32

Idle speed, rpm 3000

Recomm ended max.

speed, unloaded, rpm 13000

Power, kW 1,9

Ignition system

Manufacturer Walbro

Type of ignition system CD

Spark plug Champion

Electrode gap, mm 0,5

Fuel and lubrication system

Manufacturer Walbro

Carburetor type WT--657

Fuel capacity, litre 0,41

Oil pump capacity at

8500 rpm, ml/min 4 -- 8

Oil capacity, litre 0,2

Type of oil pump Automatic

Weight

Without bar and chain, kg 4,7

BAR CHAIN

Length Pitch Max

Inches Inches Tip Radius

20 0,325 7T Oregon 33SL

Noise levels M4620

Equivalent (see note 1) noise

pressure level at operator’s ear ,

measured according to relevant

international standards, dB(A) 103

Equivalent (see note 1) noise

power level, measured

according to relevant

international standards, dB(A) 111

Vibration levels

(see note 2)

Front handle, m/s

5,7

Rear handle, m/s

4,5

Chain/bar

Standard bar length, in/cm 20/51

Recommended bar lengths, in/cm 20/51

Usable cutting length, in/cm 19,5/50

Chain speed at maximum

power, m/sec 21,78

Pitch, inches 0,325

Thickness of drive link, mm 1,3

No. of tee t h on dri ve spro cket 7

Note 1: Equivalent noise level is, according to

ISO 22868, calculated as the time--weighted

energy total for noise levels under various

working conditions with the following time dis-

tribution, 1/3 idle, 1/3 full load, 1/3 full speed.

Note 2: Equivalent vibrationlevel is, according

to ISO 22867, calculated as the time--weighted

energy total for vibration levels under various

working conditions with the following time dis-

tribution: 1/3 idle, 1/3 full load, 1/3 full speed.

0,325

60° 25°

10°

0,050/1,3 3/16 / 4,5 0,025/0,65

33SL

in/cm :dl

20/51:78

1 2 ... 12 13 14 15 16 17 18 19

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McCulloch M4620 Manual de Instruções Página 17

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