91 - 1
Section E Hydraulics
9803/6410
Section E
91 - 1
Issue 1
Slew Motor
Specifications
JS130
Motor type Fixed displacement piston motor
Reduction gear type Planetary gear with 2 gear reduction
Slew parking brake type Mechanical lock (slew lever and slew lock switch interlocked
system)
Suction capacity 65 cm
3
/rev (3.97 in
3
/rev)
Working pressure 285 kgf/cm
2
(4052.7 lbf/in
2
)
Normal flow 121 l/min (26.62 gal/min)
Relief pressure 285 kgf/cm
2
(4052.7 lbf/in
2
) at 107 l/min (23.54 gal/min)
278 kgf/cm
2
(3953.2 lbf/in
2
) at 40 l/min (8.8 gal/min)
Gear reduction - deceleration ratio 17.03
Slew brake torque (excluding reduction gear) More than 30 kgf m (217 lbf ft)
Brake release pressure Min. 30 kgf/cm
2
(426.6 lbf/in
2
)
Weight 99 kg (218 lb)
JS160
Motor type Fixed displacement piston motor
Reduction gear type Planetary gear with 2 gear reduction
Slew parking brake type Mechanical lock (slew lever and slew lock switch interlocked
system)
Suction capacity 151 cm
3
/rev (9.21 in
3
/rev)
Working pressure 285 kgf/cm
2
(4052.7 lbf/in
2
)
Normal flow 138 l/min (36.5 gal/min)
Relief pressure 285 kgf/cm
2
(4052.7 lbf/in
2
) at 126 l/min (27.72 gal/min)
275 kgf/cm
2
(3910.5 lbf/in
2
) at 40 l/min (8.8 gal/min)
Gear reduction - deceleration ratio 13.34
Slew brake torque (excluding reduction gear) More than 68.5 kgf m (495.3 lbf ft)
Brake release pressure Min. 32 kgf/cm
2
(455 lbf/in
2
)
Weight 197 kg (434 lb)