jcb JS 200 Series, Service Manual

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Pump
Type Twin variable displacement piston pump
Displacement Volume 96.6 (cc/rev) x2
Working Pressure 350 kgf/cm
2
(343 bar, 4977 lb/in
2
)
Maximum Output 198.7 litre/min (43.7 UK gal)
Fixed Displacement Gear Pump
Displacement Volume 10 cc/rev
Working Pressure 40 kgf/cm
2
(39.2 bar, 569 lb/in
2
)
Maximum Output 20.5 litre/min (4.5 UK gal)
Dry weight 132 kg (291 lb)
Control Valve
Type Hydraulic Pilot System
Operating System Set pressure relief
Main Relief Pressure
Standard
320 kgf/cm
2
(314 bar, 4550 lb/in
2
) at 138 litre/min (30.3 UK gal)
Pressure Raising 350 kgf/cm
2
(343 bar,4977 lb/in
2
) at 155 litre/min (34 UK gal)
Overload Relief Pressure
Dipper, Bucket (except JS220LC Long Reach)
370 kgf/cm
2
(363 bar, 5263 lb/in
2
) at 20 litre/min (4.4 UK gal)
Dipper out (JS220LC Long Reach only) 370 kgf/cm
2
(363 bar, 5263 lb/in
2
) at 20 litre/min (4.4 UK gal)
Dipper in (JS220LC Long Reach only) 220 kgf/cm
2
(216 bar, 3132 lb/in
2
) at 20 litre/min (4.4 UK gal)
Bucket (JS220LC Long Reach only) 240 kgf/cm
2
(235 bar, 3407 lb/in
2
) at 20 litre/min (4.4 UK gal)
Boom Raising 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, 4052 lb/in
2
)
Work Flow 198.7 litre/min (43.6 gal/min)
Set Pressure Relief
All models except JS220LC Long Reach
285 kgf/cm
2
(279 bar, 4053 lb/in
2
) at 155 litre/min (34 UK gal)
Model JS220LC Long Reach only 245 kgf/cm
2
(240 bar, 3480 lb/in
2
) at 155 litre/min (34 UK gal)
Reduction Gear Ratio 16.757 : 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
(29.4 bar, 426 lb/in
2
)
Dry Weight 197 kg (434 lb)
1 - 1
Section E
Hydraulics
9803/6400
Section E
1 - 1
Issue 2*
Technical Data JS200/220 and Variants
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