jcb JS260 User Manual

30 - 1
Specification, Technical Data
Weight: 165kg (74.8lb)
Spool Stroke versus Pilot Pressure
Section E
Hydraulics
9803/6400
Section E
30 - 1
Issue 2*
Control Valve JS200/JS240
Control Valve Set Pressures
Maximum Flow: †(JS200/220) P
L, PK 198.7 l/min (43.7 imp gal), PP 20.5 l/min (4.5 imp gal),
P
S 20.5 l/min (4.5 imp gal)
†(JS240/260) P
L, PK 212.2 l/min (46.67 imp gal), PP 22 l/min (4.8 imp gal),
P
S 22 l/min (4.8 imp gal)
Main Relief Set Pressure (Lo) 320 kgf/cm
2
(309 bar, 4550.4 lb/in
2
) at 138 l/min (30.3 imp gal)
†(JS200/220) (Hi) 350 kgf/cm
2
(338 bar, 4977 lb/in
2
) at 126 l/min (27.7 imp gal)
Main Relief Set Pressure (Lo) 320 kgf/cm
2
(309 bar, 4550.4 lb/in
2
) at 168 l/min (36.9 imp gal)
†(JS240/260) (Hi) 350 kgf/cm
2
(338 bar, 4977 lb/in
2
) at 155 l/min (34.09 imp gal)
AL4 (Dipper Out) Port Overload Relief Set Pressure: 370 kgf/cm
2
(363 bar, 5263 lb/in
2
)
at 20 l/min (4.3 imp gal)
BL
4 (Dipper In) Port Overload Relief Set Pressure: 370 kgf/cm
2
(363 bar, 5263 lb/in
2
)
(except JS220LC Long Reach) at 20 l/min (4.3 imp gal)
BL
4 (Dipper In) Port Overload Relief Set Pressure: 220 kgf/cm
2
(216 bar, 3132 lb/in
2
)
(JS220LC Long Reach only) at 20 l/min (4.3 imp gal)
AR
2 (Boom Raise) Port Overload Relief Set Pressure: 370 kgf/cm
2
(363 bar, 5263 lb/in
2
)
at 20 l/min (4.3 imp gal)
BR
2 (Boom Lower) Port Overload Relief Set Pressure: 250 kgf/cm
2
(245 bar, 3555 lb/in
2
)
at 20 l/min (4.3 imp gal)
AR
3 (Bucket Open) Port Overload Relief Set Pressure: 370 kgf/cm
2
(363 bar, 5263 lb/in
2
)
(except JS220LC Long Reach) at 20 l/min (4.3 imp gal)
AR
3 (Bucket Open) Port Overload Relief Set Pressure: 240 kgf/cm
2
(235 bar, 3407 lb/in
2
)
(JS220LC Long Reach only) at 20 l/min (4.3 imp gal)
BR
3 (Bucket Close) Port Overload Relief Set Pressure: 370 kgf/cm
2
(363 bar, 5263 lb/in
2
)
(except JS220LC Long Reach) at 20 l/min (4.3 imp gal)
BR
3 (Bucket Close) Port Overload Relief Set Pressure: 240 kgf/cm
2
(235 bar, 3407 lb/in
2
)
(JS220LC Long Reach only) at 20 l/min (4.3 imp gal)
Pilot Port Maximum Pressure: (JS200/JS240) P
P, PS 40 kgf/cm
2
(38.6 bar, 568.8 lb/in
2
)
†Including all variants.
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jcb JS260 Specifications

General

Brand	jcb
Model	JS260
Category	Excavators
Language	English