Hyundai HX145LCR Manual page 49

3) 3) GEAR PUMP GEAR PUMP
Item
Type
Capacity
Maximum pressure
Rated oil flow
4) 4) MAIN CONTROL VALVE MAIN CONTROL VALVE
Item
Type
Operating method
Main relief valve pressure
Overload relief valve pressure
[ ]: Power boost
5) 5) SWING MOTOR SWING MOTOR
Item
Type
Capacity
Relief pressure
Braking system
Braking torque
Brake release pressure
Reduction gear type
6) 6) TRAVEL MOTOR TRAVEL MOTOR
Item
Type
Relief pressure
Capacity (max / min)
Reduction gear type
Braking system
Brake release pressure
Braking torque
Fixed displacement gear pump single stage
15cc/rev
40 kgf/cm (570 psi)
2
29.2ℓ/min (7.7 U.S. gpm / 6.4 U.K. gpm)
11 spools
Hydraulic pilot system
350 kgf/cm (4980 psi)[380 kgf/cm
2
400 kgf/cm (5690 psi)
2
Type 1
Fixed displacement axial piston motor
71 cc/rev
285 kgf/cm (4050 psi)
2
Automatic, spring applied hydraulic released
31.3 kgf·m (226 lbf·ft)
33.8 kgf/cm (481 psi)
2
2 - stage planetary
Type 1
Variable displacement axial piston motor
350 kgf/cm (4970 psi)
2
77/45 cc/rev
2-stage planetary
Automatic, spring applied hydraulic released
9.5 kgf/cm (135 psi) 10.7 kgf/cm
2
19.7 kgf·m (143 lbf·ft) 19.7 kgf·m (143 lbf·ft) 33 kgf/cm
1-23
Specification
Specification
(5400 psi)]
2
Type 2
72 cc/rev
30 kgf·m (217 lbf·ft)
15~50 kgf/cm (213~711 psi)
2
Type 2 Type 3
77/45 cc/rev 77/45 cc/rev
(135 psi) 14.3 kgf/cm
2
(203 psi)
2
(239 psi)
2