Operation Manual
Specification
- 29 - ENGLISH 7
2. Specification
Chainsaw 646 652
Engine type single cylinder two-stroke engine
Engine capacity cm
3
45 52
Bore / stroke mm 42 / 32,6 45 / 32,6
Max. power kW
at rpm
1
/
min
2,2
9 500
2,4
9 500
Max. torque Nm
at rpm
1
/
min
2,4
6 000
2,6
6 000
Max. permissible speed
1
/
min
no load with cutter
12 500
± 250
12 500
± 250
Medium idling speed
1
/
min
2 800 ± 150
Clutch engagement speed
1
/
min
4 200 ± 150
Fuel tank capacity l 0,5
Fuel mix ratio: with SOLO 2T engine oil
with other two-stroke oils
1 : 50
1 : 25
Fuel consumption at max. power
ISO 7293
kg
/
h
1,1
1,2
Specific consumption at max. power
ISO 7293
g
/
kWh
510
500
Capacity of the chain lubrication oil tank l 0,3
Carburettor All-position diaphragm carburettor with primer and
integrated fuel pump
Air filter Large volume flow filter
Ignition Electronically controlled magneto ignition,
maintenance free
Sprocket teeth 7
Pitch inches .325’’
Cutting length cm / inches 38 / 15’’
Number of driving links 64
Driving link thickness mm / inches 1.5 / .058’’
Dimensions Height / Width / Length mm 270 / 250 / 780
Weight without tank contents, guide bar and chain kg 4.7 4.7
In determining the following values regarding the acceleration of vibrations and sound, the different operating
conditions were weighted in accordance with the current standards
Sound pressure leve L
Peq
EN ISO 22868 dB(A) 102 102
Sound power level L
Weq
EN ISO 22868 dB(A) 112 112
Weighted effective acceleration a
hv,eq
DIN ISO 22867
Handle r.h. side / handle l.h. side m/s
2
7,8 / 5,4
7,9 / 5,8
Build year of the power tool Î refer to the type plate on the power tool (Chapter 4, " Designation of important
controls and functional parts ").
Permissible cutting gear and the corresponding cutting lengths Î refer to the last two inside pages of this
operating manual ( - 258 -.)