Jonsered 70C 用户手册

36 – 

English

Cylinder volume,  cu.in/cm

3

3,97/65,1

4,31/70,7

Cylinder bore,   inch/mm

1,89/48

1,97/50

Stroke,  inch/mm

1,42/36

1,42/36

Idle speed, rpm

2700

2700

Power, kW/ rpm

3,4/9000

3,9/9600

Manufacture

SEM

SEM

Type of ignition system

CD

CD

Spark plug

NGK BPMR 7A/
Champion RCJ 7Y

NGK BPMR 7A/
Champion RCJ 7Y

Electrode gap, inch/mm

0,02/0,5

0,02/0,5

Manufacturer of carburettor

Walbro

Walbro

Carburettor type

HD12B

HD12B

Fuel tank capacity, US pint/litre

1,63/0,77

1,63/0,77

Oil pump capacity at 9,000 rpm, ml/min

Oil tank capacity, US pint/litre

0,89/0,42

0,89/0,42

Type of oil pump

Automatic

Automatic

Chain saw without bar or chain, empty tanks, Lbs/kg

13,2/6,0

13,4/6,1

W: 13,9/6,3

Standard bar length, inch/cm

15”/38

15”/38

Recommended bar lengths, inch/cm

15-28”/38-70

15-28”/38-70

Usable cutting length, inches/cm

14-27"/35-69

14-27"/35-69

Chain speed at max. power, m/sec

20,1

21,4

Pitch, inch/mm

3/8" /9,52

3/8" /9,52

Thickness of drive links, inch/mm

0,058/1,5

0,058/1,5

Number of teeth on drive sprocket

7

7