RedMax Grass Trimmer BT280 - Manual (Page 20)

English---20 115391427 Rev. 4 5/15/12
TECHNICAL DATA
Technical data
BT280
Engine
Cylinder volume, cu. in./cm 3 1.7/28
Cylinder bore, inch/mm 1.4/35
Stroke, inch/mm 1.130/28.7
Idle speed, rpm 2,800--3,200
Recommended max. speed, rpm 10,000
Speed of output shaft, rpm 8,000
Max. engine output, acc. to ISO 8893, hp/kW 1.1/0.8
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, inch/mm 0.024/0.6
Fuel and lubrication system
Manufacturer/type of carburetor Zama
Fuel tank capacity, US pint/liter 0.85/0.4
Weight
Weight without fuel, cutting attachment and guard, lbs/kg 10/4.4
Sound levels
(see note 1)
Equivalent sound pressure level at the user’s ear,
measured according to ANSI B175.3--1997, dB(A),
min/max: 94/97
Vibration levels
Vibration levels at handles, measured according to
ANSIB175.3--1997, m/s 2
At idle, left/right handles: 3/5
At max. speed, left/right handles: 9/8
NOTE! This spark ignition system complies with the Canadian standard ICES--002.
Note 1: Equivalent sound pressure level is calculated as the time--weighted energy total for
sound pressure levels under various working conditions with the following time distribution:
1/2 idle and 1/2 max. speed.
NOTE! Sound pressure at the user’s ear and vibration on the handles are measured with
all the machine’s approved cutting equipment fitted.
Model BT280 (3/8 RH arbor shaft thread)
Approved accessories Type
Cutting attachment / guard, part. no.
Trimmer head MT104R 576 26 08--02 / 545 00 60 49