Group 1 Pump Device - Hyundai HX145LCR Manual

GROUP 1 PUMP DEVICE

1. STRUCTURE
The pump device consists of main pump, regulator and gear pump.
Pi1
Dr1
Front regulator
Pi1
Dr1
(Dr1) a1(PH1)
A1 pump
a1
Pi1
Dr1
B1
Hydraulic circuit
SECTION 2 STRUCTURE AND FUNCTION
Dr2
a3
Dr1
P1
Pi2
B1
Qmax adjusting screw
Rear regulator
a4
P1
B1
a2(PH2)
Valve block
A
PH1 PH2
A2
A1
a2
P1
A3
a3
Dr2 B3
Qmin adjusting screw
Pi2
(Dr1)
Dr1
A2 pump
Port Port name
A1, A2 Delivery port
B1 Suction port
Dr1 Drain port
Dr2 Drain port
Pi2
Pi1, Pi2 Pilot port
a4
P1 EPPR port
a1, a2 Gauge port
a3 Gauge port
PH1, PH2 Servo port
a4 Gauge port
A3 Gear pump delivery port
B3 Gear pump suction port
2-1
A2
A1
VIEW A
a4 P1
B3
PH1 PH2
Gear pump
Port size
SAE6000 psi 3/4"
SAE2500 psi 2 1/2"
PF 1/2 - 19
PF 3/4 - 20
PF 1/4 - 15
PF 1/4 - 13
PF 1/4 - 15
PF 1/4 - 14
PF 3/8 - 17
PF 1/4-13
PF 1/2 - 19
PF 3/4 - 20.5
A3
Dr2
a3
145LCR2MP01