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545196786 Rev. 2 4/30/09
TECHNICAL DATA
Model 128RJ (M10 LH arbor shaft thread) -- Centre hole in blades/cutters , ∅ 25,4 mm
Approved accessories Type Cutting attachment g uard, part. no.
Grass blade/grass cutter Grass 255--4 1 inch 503 93 42--02
(∅ 250 4--teeth)
Trimmer head T25 537 33 83--02
Plastic blades Tricut 300 mm 531 00 38--11
Support cup Fixed --
Technical data
128RJ
Engine
Cylinder displacement, cm
3
28
Cylinder bo re, mm 35
Stroke, mm 28,7
Idle speed, r pm 2800--3200
Recommended max. fast idle speed, rpm 11000
Speed of output shaft, rpm 8000
Max. engine output, acc. to ISO 8893, kW 0,8
Catalytic converter muffler Yes
Speed--regulated ignition system Yes
Ignition system
Manufacturer/type of ignition system Walbro/CD
Spark plug Champion RCJ--8Y
Electrode gap, mm 0,6
Fuel and lubrication syst em
Manufacturer/type of carburetor Zama
Zama
Fuel tank capac ity, litre 0,4
Weight
Weight without fuel, cut ting attac hment and guard , kg 4,8
Noise emissions
(see note 1)
Sound power level, measured dB(A) 109
Sound power level, guaranteed L
WA
dB(A) 114
Noise levels
(see note 2)
Equivalent noise pressure level at the operators’ ear,
measured accor ding to EN/ISO 11806 and ISO 22868,
dB(A) 100
Vibration levels
Vibration levels at handles, measured according to
EN/ISO 11806 and ISO 22867
FRONT HANDLE
Idling, m/s
2
3,9
Racing, m/s
2
5,6
REAR HANDLE
Idling, m/s
2
2,9
Racing, m/s
2
8,5
Note 1: Noise emissions in the environment measured as sound power (L
WA
) in confor mity
with EC directive 2000/14/EC.
Note 2: Equivalent sound pressure level is calculated as the time-w eighted energy total for
sound pres sure levels under various wor king conditions with the following time distribution:
1/2 idling and 1/2 max speed.
NOTE! The noise pr essure level at operator’s ear and vibrations on the handles are mea-
sured with all the approved cutting attachments for the machine. The table indicates the
lowest and highest values.