RedMax BT280 manual Technical Data, Technical data

TECHNICAL DATA
Technical data	BT280
Engine
Cylinder volume, cu. in./cm3	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/s2
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

115391427 Rev. 4 5/15/12 English--- 20