McCulloch MAC 838 Manual de instrucciones descargar pdf (Pagina 17)

TECHNICAL DATA SHEET

Engine Mac 83 8

Cylinder volume, cm

Stroke, mm 32

Idle speed, rpm 3000

Recommended max.

speed, unloaded, rpm 12000

Power, kW 1,5

Ignition system

Manufacturer Walbro

T ype of ignition system Inductive

Spark plug Champion

Electrode gap, mm 0,5

Fuel and lubrication system

Manufacturer Zama

Carburetor type W-26B

Fuel capacity , litre 0,34

Oil pump capacity at

8500 rpm, ml/min 4 -- 8

Oil capacity, litre 0,2

T ype of oil pump Automatic

Weight

Without bar and chain, kg 5,5

BAR CHAIN

Length Pitch Max

Inches Inches Tip Radius

14 0,375 7T Oregon 91VJ

14 0,375 7T Oregon 91VG

Noise levels Mac 838

Equivalent (see note 1) noise

pressure level at operator’s ear,

measured according to relevant

international standards, dB(A) 99,7

Equivalent (see note 1) noise

power level, measured

according to relevant

international standards, dB(A) 108,7

Vibration levels

(see note 2)

Front handle, m/s

5,4

Rear handle, m/s

5,4

Chain/bar

Standard bar length, in/cm 14/35

Recommended bar lengths, in/cm 14/35

Usable cutting length, in/cm 13,5/34

Chain speed at maximum

power, m/sec 20

Pitch, inches 0,375

Thickness of drive link, mm 1,3

No. of teeth on drive sprocket 6

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 vibration level 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.

0,375

80° 30°

0°

14/35:52

0,050/1,3 5/32 / 4,0 0,025/0,65

91VJ

in/cm :dl

91VG

0,375

0,050/1,3

5/32 / 4,0

80°

30°

0° 0,025/0,65 14/35:52

1 2 ... 12 13 14 15 16 17 18 19 20

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McCulloch MAC 838 Manual de instrucciones Pagina 17

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