Group 1 Hydraulic Circuit - Hyundai HX130LCR Manual

GROUP 1 HYDRAULIC CIRCUIT

1. HYDRAULIC CIRCUIT (1/2)
4 4
LH RH
Ps DR DR
Ps
REG REG
MB MA MA MB
VB VA VA VB
P2(BW) P1(FW) P1(BW) P2(FW)
P
12 A B
C Dr D
( ,A1) ( ,D1)
( ,B1)
( ,C1)
( ,A2)
( ,A1) ( ,A1)
6
5
26 26
SWING T ARM BUCKET
P P T
(1) (3) (2) (4) (3) (1) (2)
24
( ,SH) 24
A c B e1 D E PS F G H PS
24
( ,Pc3) PS d1 h1
25
[SWING PRI']
a b d f g
e e2 h
PS
24
( ,Pd2)
[SWING CCW]
( ,Pa5)
[BUCKET IN]
[SWING CW] ( ,Pc2)
( ,Pb5)
(
[BUCKET OUT]
[ARM OUT] ( ,Pd40)
(
[ARM2 OUT] ( ,Pd41)
(
[ARM IN]
[ARM2 IN] ( ,Pc42) ( ,Pc40)
[ARM HOLDING]
[ARM2 IN] ( ,Pb3) ( ,Pc41)
( ,Pb4) ( ,Pu)
( ,P)
( ,P03)
21 29
A4 A3 A2 A1 A1
P
T T
P1
ARM SAFETY
BOOM
TRAVEL POWER
REGEN'
[HYD.TANK] PRIORITY [HYD.TANK]
2-SPEED BOOST ( ,A3)
ON/OFF
( ,e1)
3
SH
AU
PG
( ,P4)
DR
SPRING 4k
[RETURN]
R/G
MB MA
( ,Rs)
Mu
[HYD.TANK]
[HYD.TANK]
[HEAD]
[ROD]
[HYD.TANK]
[ARM HOLDING]
[ARM IN]
VB(CCW) VA(CW)
[ARM OUT]
( ,D2) ( ,C2)
[SWING PRI'] ( ,C)
[HYD.TANK]
[BOOM2 UP]
( ,VA)
( ,VB)
( ,A1)
26
7
[SWING CW] ,A)
BOOM P T TRAVEL
( ,B)
[SWING CCW]
[HYD.TANK]
(4) (1) (3)
(2) (4)
[BOOM PRI'] ( ,A4)
( ,Pd1)
[RH-FW]
( ,Pb1)
J
( ,Pc1)
( ,Pa1)
h2 [LH-FW] [RH-BW] (
[RH-BW]
[LH-BW]
j [RH-FW] (
( ,Pb20) [BOOM DOWN]
( ,Pb21) [BOOM HOLDING]
[HYD.TANK]
(
,Pa20) [BOOM UP]
,Pa21) [BOOM2 UP]
,P04) [BOOM PRI']
28
A2 A1
P
( ,P3)
T
FC2 FC1
[HYD.TANK]
23
PS
27
( ,Pn2)
( ,PG)
( ,P) RCV-LH
( ,P) RCV-RH
( ,P0)
( ,P) RCV-TRAVEL ( ,P02)
P2 P3 P4
( ,P)
P3 P5
P1
30
P2
( ,Dr4)
T1 T5
T2 T3 T4
( ,Po5)
( ,Pa4)
( ,Dr3)
( ,Dr5)
( ,MU)
( ,Pi1)
2
Pn2
Rs
C6
D6
Pc6
OP-C
Pd6
Puo
C5
D5
Pc5
OP-B
Pd5
DR5
( ,T3)
Po5
( ,T2)
C4
D4
DR3
( ,T3)
Pc41
( ,e)
( ,e)
Pc40
( ,d)
Pd40
ARM 1
V3
Pc3
DR2
( ,h)
Pa21
BOOM 2
C2
Pc2
D2
Pd2
SWING
DR4
,T1)
P03
( ,B) C1
( ,D)
D1
,3)
Pc1
,4)
Pd1
TRAVEL
DR0
P0
,P3)
PS
Ai
24 P3 P2 P1
Pd0
( ,A1)
22 22
PS PS
a1 a2
1 PH2 PH1
26
a4
P1
B1
(
3-1
SECTION 3 HYDRAULIC SYSTEM
( ,Pi2)
10
Pn1
[ROD]
B5
A5 [HEAD]
Pb5
( ,g) [BUCKET OUT]
( ,F) [BUCKET IN]
Pa5
BUCKET
P04
( ,h) [BOOM PRI']
B4
Pb4
( ,A3) [ARM REGEN]
Pa4
[HYD.TANK]
( ,T4)
ARM REGEN
( ,e) [ARM REGEN]
Pc42
( ,e) [ARM2 IN]
Pb3
ARM 2
Pd41
( ,d) [ARM2 OUT]
[ROD]
B2
A2
[HEAD]
Pb21
( ,j) [BOOM HOLDING]
DR1
[HYD.TANK]
( ,j)
[BOOM DOWN]
Pb20
( ,h) [BOOM UP]
Pa20
P02
BOOM 1
( ,P3)
Patt
24
PS ( ,A)
B1
A1
( ,C)
( ,1) [LH-FW]
Pb1
( ,2) [LH-BW]
Pa1
TREVEL
T1
13
14
16
[HYD.TANK]
17
23
26
PS
27
15
20
18
23
PS
( ,Pn1)
19
,P1)
11
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)
10 Arm cylinder
11 Bucket cylinder
12 Turning joint
13 Check valve
14 Check valve
15 Hydraulic tank
16 Oil cooler
17 Air breather
18 Return filter w/bypass valve
19 Suction strainer
20 Drain filter
21 4 cartridge valve
22 Pressure sensor
23 Pressure sensor
24 Pressure sensor
25 Shuttle block
26 Last guard filter
27 Shuttle valve
28 2 EPPR cartridge valve
29 1 cartridge valve
30 Block
130ZF3HC01A