jcb JS260 User Manual

2 - 1
Section F
Transmission
9803/6400
Section F
2 - 1
Issue 2*
Motor/Gearbox
Schematics, specifications
1st 157.8 164.4
2nd 92.9 98.2
1st 7004 7297
2nd 4123 4359
Cracking pressure MPa (kgf/cm
2
) 31.1 {317} at 1.2 l/min
Full flow pressure MPa (kgf/cm
2
) 35.3 {360} at 40 l/min
Plunger switch pressure MPa (kgf/cm
2
) 0.6~1.3 {6~13}
Check valve cracking pressure MPa (kgf/cm
2
) less than 0.03 {0.3}
Pilot pressure for 2-speed switch MPa (kgf/cm
2
) 3.9 {40}
1➝2 MPa (kgf/cm
2
) 23.2 {237}
2 ➝1 MPa (kgf/cm
2
) 25.3 {259}
Structure Planetary gear 3 step reduction gear
Speed 1/44.384
Motionless more than 20.94 {2135}
Moving more than 16.67 {1700}
Release pressure MPa (kgf/cm
2
) less than 1.4 {14}
Pressure MPa (kgf/cm
2
) 34.3 {350}
1st speed 198.7 212.2
2nd speed 198.7 212.2
1st speed 0.862 {87.9} 0.898 {91.6}
2nd speed 0.507 {51.7} 0.536 {54.7}
1st speed 1259 1291
2nd speed 2139 2161
Normal less than 0.2 {2.0}
Maximum instant less than 0.5 {5.0}
Oil temperature °C -20 ~ +95
Total dry weight kg 270
Displacement
Cross over
relief Valve
Parking brake torque
KNm {kgf/cm
2
}
Motor
cm
3
/rev
Reduction gear, etc. value
cm
3
/rev
Double counter
balance valve
2-speed switch
valve
Reduction
gear
Parking
brake
Supply flow L/min
Output torque kNm {kgf m}
Output revolutions rpm
Drain pressure Mpa {kgf/cm
2
}
JS200 JS240
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*
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jcb JS260 Specifications

General

Brand	jcb
Model	JS260
Category	Excavators
Language	English