Hyundai HX145 LCR, Manual

Page: 53 / 702

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