Group 1 Pump Device - Hyundai R480LC-9S Service Manual

GROUP 1 PUMP DEVICE

GROUP 1 PUMP DEVICE
1. STRUCTURE 1. STRUCTURE
The pump device consists of main pump, regulator.
Qmin adjusting screw
Front pump
Psv1
a4 A1 a1 a2 A2
Front
Pi1
Engine
Dr1,2
Hydraulic circuit
SECTION 2 STRUCTURE AND FUNCTION SECTION 2 STRUCTURE AND FUNCTION
Pi1
(a1)
a1
a4
Psv1 P
B
Regulator
Psv1
a1
(a1)
Dr1
P
Dr2
A1
B1
Port block
Psv2 a5
Rear
Pi2
B1 Dr3,4
48092MP01A
Psv2
a5
(a2)
Pi2
Qmax adjusting screw
Regulator
Pi2
Dr3
B
A2
Dr4
(a2)
a2
Rear pump
Port Port name
A1,A2 Delivery port
B1 Suction port
Dr1~Dr4 Drain port
Pi1,Pi2 Pilot port
Psv1, Psv2 Servo assist port
a1, a2, a4, a5 Gauge port
Pb Gauge port
2-1
Qmin adjusting screw
Port size
SAE6000psi 1"
SAE2500psi 3"
PF 3/4 - 23
PF 1/4 - 15
PF 1/4 - 15
PF 1/4 - 15
PT 1/8