jcb JS130, Руководство по обслуживанию

Страница: 204 / 533

Note: For full specification details see information in each section.
Pump
Type 2 stage tandem, variable capacity swash plate type axial piston pump
Displacement Volume 60 cm
3
/rev x 2 (3.66 in
3
/rev x 2)
Working Pressure Refer to Pressure Testing (Section E 4-1)
Maximum Output 139.8 l/min (30.75 gal/min)
Fixed Displacement Gear Pump
Displacement Volume
9.08 cm
3
/rev (0.55 in
3
/rev)
Working Pressure Refer to Pressure Testing (Section E 4-1)
Maximum Output 21.2 l/min (4.6 gal/min)
Dry Weight TBA
Control Valve
Type Hydraulic Pilot System
Operating System Set relief pressure
Main Relief
Standard pressure
Refer to Pressure Testing (Section E 4-1)
Maximum pressure Refer to Pressure Testing (Section E 4-1)
Overload Relief Pressure
Boom Raising, Arm, Bucket Refer to Pressure Testing (Section E 4-1)
Boom Lowering Pressure
Function Travel priority, Slew priority, Boom and Dipper holding valves,
Boom and Dipper 2-Speed internal confluence
Dry Weight 104 kg (229.3 lb)
Slew Motor
Type Fixed displacement piston motor
Suction Capacity 151 cm
3
/rev (9.21 in
3
/rev)
Working Pressure 285 kgf/cm
2
(4052.7 lbf/in
2
)
Work Flow 138 l/min (36.5 gal/min)
Set Pressure Relief Refer to Pressure Testing (Section E 4-1)
Reduction Gears Planetary gears with 2 gear reduction
Reduction Gear Ratio 13.34 : 1
Slew Brake
Brake Torque
More than 68.5 kgf m (495.3 lbf ft) (Not including reduction
gear)
Brake Pressure Release Min 32 kgf/cm
2
(455 lbf/in
2
)
Dry Weight 197 kg (434 lb)
1 - 3
Section E Hydraulics
9803/6410
Section E
1 - 3
Issue 2*
Technical Data (JS160)