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TECHNICAL DATA SHEET
MODEL: Mac 250 B
ENGINE
Cylinder displacement, cm
3
25
At maximum engine power, rpm 8000
Maximum rotational frequency of the spindle 10000
Engine speed at recommended maximum spindle
rotational frequency 7400
Recommended speed idling, rpm 3000
Maximum engine power , m easured in
accordance with ISO 8893, kW 0,7
Catalytic converter muffler Yes
IGNITION SYSTEM
Spark plug Champion RCJ--6Y
Electrode gap, mm 0,6
FUEL AND LUBRICATION SYSTEM
Fuel tank capacity, cm
3
340
WEIGHT
Weight without fuel, cutting attachment and guard, kg 5,6
NOISE EMISSIONS
(see Note 1)
Sound power level, measured dB(A) 110,3
Sound power level, guaranteed L
WA
dB(A) 114,0
NOISE LEVELS
(see Note 2)
Equivalent sound pressure level at the operators’ ear,
measured according to EN/ISO 11806 and ISO 22868, dB(A)
Equipped with grass blade (original) 99,0
Equipped with trimmer head (original) 98,5
VIBRATION LEVELS
(see Note 3)
Equivalent vibration levels (a
hv,eq
) at handles, measured
according to EN ISO 11806 and ISO 2 2867, m/s
2
Equipped with grass blade (original), left/right 4,4/6,9
Equipped with trimmer head (original), left/right 4,7/4,2
Note 1: Noise emissions in the environment measured as sound power (L
WA
) in conformity
with EC directive 2000/14/EC. Reported sound power level for the machine has been
measured with the original cutting attachment that gives the highest level. The difference
between guaranteed and measured sound power is that the guaranteed sound power also
includes dispersion in the measurement result and the variations between different machines
of the same model according to Directive 2000/14/EC.
Note 2: Reported data for eq uivalent sound pressure level for the machine has a typical
statistical dispersion (standard deviation) of 1 dB(A).
Note 3: Reported data for eq uivalent vibration level has a typical statistical dispersion
(standard deviation) of 1 m/s
2
.
Model Mac 250 B (3/8 LH arbor shaft thread)
Centre hole in blades/cutters, ∅ 25,4 mm
Approved accessories Type Cu tti ng a ttachm ent /guar d, par t. no.
Grass blade/grass cutter G rass (∅ 20 cm, 4--teeth) 530 05 58 92 / 57535 27 01
Trimmer head TN G 7 (∅ 2 ,4 mm line) 537 41 92--02 / 575 35 27 01