Hyundai HL955 Manual page 28

2) 2) MAIN PUMP MAIN PUMP
Item
Type
Capacity
Maximum operating pressure
Rated oil quantity
Maximum speed
3) 3) FAN AND BRAKE PUMP FAN AND BRAKE PUMP
Item
Type
Capacity
Maximum operating pressure
Rated oil quantity
Maxmum speed
4) 4) MAIN CONTROL VALVE MAIN CONTROL VALVE
Item
Type
Operating method
System pressure
Overload relief valve pressure
★
: Bucket dump
5) 5) ELECTRO-HYDRAULIC BLOCK ELECTRO-HYDRAULIC BLOCK
Item
Type
Control current
Resistance
Normal flow
6) 6) REMOTE CONTROL VALVE (EH TYPE) REMOTE CONTROL VALVE
Item
Type
Axle
Operating voltage
Output signal
Specification
Variable piston pump
54+38 cc/rev
280 kgf/cm (3980 psi)
2
185ℓ/min (48.8 U.S.gpm / 40.6 U.K.gpm)
2230 rpm
Specification
Variable piston pump
28 cc/rev
250 kgf/cm (3560 psi)
2
56ℓ/min (15.6 U.S.gpm)
2230 rpm
Specification
2 spool
Hydraulic pilot assist
280 kgf/cm (3980 psi)
2
340 kgf/cm (4840 psi) /
2
Specification
Proportional pressure reducing vlave
0~950 mA
10.5 Ω
12 ℓ/min (3.17 U.S.gpm)
Specification
Fingertip
Single axle for boom, bucket, auxiliary
4.5~5.5 V
0.5~4.5 V (neutral 2.5 V)
1-17
★
300 kgf/cm (4270 psi)
2