Specifications - Stihl 4282 Series Technical Information

Page 8
2.

Specifications

2.1 Engine
Displacement
Cylinder bore
Piston stroke
Idle speed
Operating speed with nozzle
Maximum air flow
Air flow with nozzle
Air velocity
Sound pressure level L
1)
to EN ISO 11201
Sound power level L
weq
1)
to ISO 3744
Vibration acceleration a
1)
to ISO 8662
Idle speed
at max. RPM
Weight
1
) Weighted equivalent level includes idling, full load and racing with the same duration of exposure
2.2 Fuel system
Carburetor
All-position diaphragm carburetor with limiter caps
on the high-speed adjusting screw (H) and the low-
speed adjusting screw (L) and integrated fuel pump.
Standard setting with limiter caps
Low-speed adjusting screw L: 3/4 turn open
High-speed adjusting screw H: 3/4 turn open
Basic setting without limiter caps
Low-speed adjusting screw L: 2 turn open
High-speed adjusting screw H: 3 1/2 turn open
according
peq
according
eq
(max. to stop)
(max. to stop)
BR 500
64.8 cm
2,500 rpm
5,500 rpm 6,100 rpm
1,380 m³/h 1,490 m³/h
810 m³/h 900 m³/h
81m/s
86 dB(A) 92 dB(A)
95 dB(A) 103 dB(A)
2
1.7 m/s
2
1.4 m/s
9.9 kg
Fuel tank capacity
1.4 l (1400 cm³)
2.3 Ignition system
Ignition module:
Spark plug (suppressed): NGK CMR 6 H
Electrode gap:
Technical Information 08.2005
BR 550 BR 600
3
50 mm
33 mm
7,200 rpm
1,720 m³/h
1,210 m³/h
89 m/s 90 m/s
96 dB(A)
105 dB(A)
2
1.5 m/s 1.7 m/s
2
1.6 m/s 1.8 m/s
9.7 kg
Microprocessor-
controlled with
adjustment of the
ignition timing
0.7 mm
TI_08_2005_11_01_02.fm
2
2
9.5 kg