Technical Data Sheet - McCulloch M4620 Instruction Manual

TECHNICAL DATA SHEET

Engine
3
Cylinder volume, cm
Stroke, mm
Idle speed, rpm
Recommended max.
speed, unloaded, rpm
Power, kW
Ignition system
Manufacturer
Type of ignition system
Spark plug
Electrode gap, mm
Fuel and lubrication system
Manufacturer
Carburetor type
Fuel capacity, litre
Oil pump capacity at
8500 rpm, ml/min
Oil capacity, litre
Type of oil pump
Weight
Without bar and chain, kg
BAR CHAIN
Length Pitch Max
Inches Inches Tip Radius
20 0,325 7T
0,050/1,3
0,325
33SL
Noise levels
M4620
Equivalent (see note 1) noise
46
pressure level at operator's ear,
32
measured according to relevant
3000
international standards, dB(A)
Equivalent (see note 1) noise
13000
power level, measured
1,9
according to relevant
international standards, dB(A)
Walbro
Vibration levels
CD
(see note 2)
Champion
Front handle, m/s
0,5
Rear handle, m/s
Chain/bar
Walbro
Standard bar length, in/cm
WT- -657
Recommended bar lengths, in/cm
0,41
Usable cutting length, in/cm
Chain speed at maximum
4 - - 8
power, m/sec
0,2
Pitch, inches
Automatic
Thickness of drive link, mm
No. of teeth on drive sprocket
4,7
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.
Oregon 33SL
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.
3/16 / 4,5
60° 25°
17
M4620
103
111
2
5,7
2
4,5
20/51
20/51
19,5/50
21,78
0,325
1,3
7
in/cm :dl
20/51:78
0,025/0,65
10°