Echo CS-420ES Manual de usuario descargar pdf (Pagina 3)

SERVICE INFORMATION

CS-420ES

1-2 Technical data

Engine

Idling speed r/min 2400 - 2900

Wide open throttle speed* r/min 12300 - 13000

Clutch engagement speed r/min 3800 - 4300

Compression pressure MPa (kgf/cm

) (psi) 0.84 (8.6) (122)

Ignition system

Spark plug gap mm(in) 0.6 - 0.7 (0.024 - 0.028)

Minimum secondary voltage at 1000 r/min kV 15

Primary coil resistance Ω 200 - 400

Secondary coil resistance kΩ 1.5 - 2.2

Pole shoe air gaps mm(in) 0.3 - 0.4 (0.012 - 0.016)

Ignition timing at 3000 r/min °BTDC 10

at 8000 r/min °BTDC 32

at 10,000 r/min °BTDC 34

at 12,000 r/min °BTDC 15

Carburettor

Idle adjust screw initial setting turns in** 1 3/8

L mixture needle initial setting turns back 1 3/8

H mixture needle initial setting turns back 2 3/4

Test Pressure, minimum MPa (kgf/cm

) (psi) 0.05 (0.5) (7.0)

Metering lever height mm(in) 1.65 (0.06) lower than diaphragm seat

Chain oil discharge volume at 7000 r/min Adjustable : 1.5 - 13 (0.05 - 0.40)

mL/min(U.S.ﬂ .oz./min) (Factory set 7 mL/min)

BTDC: Before top dead centre.

* With 38/45 cm guide bar and saw chain.

**Set idle adjust screw to the point that its tip just contacts throttle plate before initial setting.

1 2 3 4 5 6 7 8 9 10

Sin comentarios

Echo CS-420ES Manual de usuario Pagina 3