Group 1 Hydraulic Circuit - Hyundai R480LC-9S Service Manual

GROUP 1 HYDRAULIC CIRCUIT (CLUSTER TYPE 1)

GROUP 1 HYDRAULIC CIRCUIT

3
SH
PG
Au Au
Dr
GB GA GB
A(CW) Mu B(CCW) A(CW)
4
R/G R/G
MA MB MA MB
X X
T
S
S
B
A A B
Bre Bre
A
B P
12
D C
Dr
41
A1
26
P T
39
pb4 pa4
5 6
SWING ARM BUCKET BOOM
P T P T
(3,F)
(1,A) (3,B) (2,D) (4,E) (1,G) (2,H) (4,J)
a b d e f g h j
25
c
PS PS
pa5
pb2 pa2 pb5 pb8 pa8
24 24
pa7 pb7
pc6 Pk PH
(MCV) (T/Joint) (MCV)
21
A5 A3 A2 A1
T(dr1)
SH
PG
Dr
pa11
GA
DR1
pc1
Mu B(CCW)
pb5
pa5
35
37
pb4
42
pa4
37
pb3
pa3
40
pb2
36
DR3
pa2
pc6
pb1
24
PS
pa1
A2 P2
A3
pr1
T
P1
26
7
TRAVEL
P T
(2) (1) (4) (3)
pa6 pb6 pb1 pa1
14
38
1 17
2
3
15
18
P4
PG(S/Motor) 19
P3
PP(MCV)
P2
P1
ps1
(Pi1,Pump)
23
PS
T3 T1 T2 T4
B5
A5
PO
B4
A4
A3
B3
B2
A2
B1
A1
PS
P1 PT PP PA PH
24
24
PS
22
a4 Psv1 PS PS Psv2
a1 a2
1
13
16
33
27
20
Dr1,r2 B1 Dr3,r4
29
B
Dr
G
A
3-1
SECTION 3 HYDRAULIC SYSTEM SECTION 3 HYDRAULIC SYSTEM
10 11
ps2
(Pi2,Pump)
23
PS
2
pa10
B9
A9
pb9
pa9
B8
A8
pb8
pa8
DR2
pc2
A7
B7
pb7
pa7
B6
A6
pb6
10
pa6
11
12
13
14
15
P3
16
17
P2
18
19
20
21
22
23
48
P T
23
PS a5
24
A B
25
26
27
29
27
33
35
36
37
38
39
40
41
42
48
4809S3HC01P
8 9
1 Main pump
2 Main control valve
3 Swing motor
4 Travel motor
5 RCV lever(LH)
6 RCV lever(RH)
7 RCV pedal
8 Boom cylinder(LH)
9 Boom cylinder(RH)
Arm cylinder
Bucket cylinder
Turning joint
Check valve
Check valve
Hydraulic tank
Oil cooler
Air breather
Bypass valve
Strainer
Drain filter
Solenoid valve
Pressure sensor
Pressure sensor
Pressure sensor
Terminal
Last guard filter
Last guard filter
Gear pump
Shuttle valve
Accumulator
Accumulator Accumulator
Stop valve
EPPR valve
2-way pedal(option)
3-way joint
Solenoid valve
Shuttle valve
Solenoid valve(option)