Recommended Cutting Blade Dimensions; Technical Data - Husqvarna K 770 Manual Del Usuario

Technical data

Cylinder displacement, cu.in./cm
Cylinder bore, in./mm
Travel length, in./mm
Idle speed, rpm
Fully opened throttle, no load, rpm
Power, hp/kW @rpm
Spark plug
Electrode gap, in./mm
Fuel tank capacity, US fl oz/liters
Recommended water pressure, PSI/bar
Weight
Power cutter without fuel and cutting blade 12in.
(300mm), Ib/kg*
*Rescue shoulder strap, additional 0.9lb./0.4kg
Power cutter without fuel and cutting blade 14in.
(3500mm), lb/kg
Spindle, output shaft
Max. spindle speed with cutting blade 12in.
(300mm), rpm
Max. spindle speed with cutting blade 14in.
(350mm), rpm
Max. peripheral speed, ft/min or m/s (12in./
300mm)
Max. peripheral speed, ft/min or m/s (14in./
350mm)
Recommended cutting blade
dimensions
Cutting blade di-
Max. cutting
ameter, in./mm
depth, in./mm
12/300 4/100
14/350 5/125
1447 - 001 - 16.04.2020
Technical data
K 770, K 770 OilGuard, K 770 Rescue
3
4.5/74
2/51
1.4/36
2700
9300 (+/- 150)
5/3.7 @9000
NGK BPMR 7A
0.02/0.5
30/0.9
7-150/0.5-10
22/10
22.3/10.1
4700
4700
16000 or 80
18000 or 90
Blade speed rat-
ing, rpm
5100
5500
Blade center
Blade speed rat-
hole diameter,
ing, ft/min or m/s
in./mm
16000 or 80 1/25.4 or 0.79/20
19600 or 100 1/25.4 or 0.79/20
K 770 SmartGuard
4.5/74
2/51
1.4/36
2700
9300 (+/- 150)
5/3.7 @9000
NGK BPMR 7A
0.02/0.5
30/0.9
7-150/0.5-10
N/A
24.5/11.1
N/A
4700
N/A
18000 or 90
Max. blade thick-
ness, in./mm
0.2/5
0.2/5
35