jcb JS260 User Manual

Pump
Type Twin variable displacement piston pump
Displacement Volume 96.4 cc/rev x2
Working Pressure 320 kgf/cm
2
(309 bar, 4550lb/in
2
)
Maximum Output 212.2 litre/min (46.6 UK gal)
Fixed Displacement Gear Pump
Displacement Volume 10 cc/rev
Working Pressure 40 kgf/cm
2
(39.2 bar, 568lb/in
2
)
Maximum Output 22.0 litre/min (4.8 UK gal)
Dry Weight 132 kg (291 lb)
Control Valve
Type Hydraulic Pilot System
Operating System Set relief pressure
Main Relief
Standard 320 kgf/cm
2
(314 bar, 4550 lb/in
2
) at 168 litre/min (37 UK gal)
Pressure Raising 350 kgf/cm
2
(343 bar, 4977 lb/in
2
) at 155 litre/min (34 UK gal)
Overload Relief Pressure
Boom Raising, Arm, Bucket 370 kgf/cm
2
(363 bar, 5263 lb/in
2
) at 20 litre/min (4.4 UK gal)
Boom Lowering Pressure 250 kgf/cm
2
(245 bar, 3555 lb/in
2
) at 20 litre/min (4.4 UK gal)
Function Travel priority, Slew priority, Boom and Dipper Load Holding Valve,
Boom and Dipper 2 Speed Confluence
Dry Weight 165 kg (364 lb)
Slew Equipment
Type Fixed displacement piston motor
Suction Capacity 151 cc/rev
Working Pressure 285 kgf/cm
2
(279 bar, 4053 lb/in
2
)
Work Flow 212.2 litre/min (46.6 gal/min)
Set Pressure Relief 285 kgf/cm
2
(279 bar, 4052 lb/in
2
) at 188 litre/min (41.3 UK gal)
Reduction Gear Ratio 22.097 : 1
Slew Brake
Brake Torque More than 75.4 kgf m (739.4 Nm, 545 ft lbs) (Not including reduction
gear)
Brake Pressure Release Min 30 kgf/cm
2
(min 29.4 bar, 426 lb/in
2
)
Dry Weight 325 kg (716 lb)
1 - 3
Section E
Hydraulics
9803/6400
Section E
1 - 3
Issue 2*
Technical Data JS240/260 and Variants
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jcb JS260 Specifications

General

Brand	jcb
Model	JS260
Category	Excavators
Language	English