Group 1 Hydraulic Circuit - Hyundai HX140L Manual

GROUP 1 HYDRAULIC CIRCUIT

GROUP 1 HYDRAULIC CIRCUIT

<PROPOTIONAL RCV DOUBLE ACTING & ROTATING>
55
54
56
56
B1
T
P1
79
T1
TS1
38
S1
LS M
A
T 78
EV1
T
P
56
EV2
C
B
( 61 ,P2)
B
A
A
56 <ROTATOR>
TS2
<SINGLE ACTING>
55
2
56
56
54
2
C5
D5
Pa4
Pc5
T1 Pd5
Pc42
57 OPTION-B
13
DR5
14
Pb3
Po5
T 24
16
A1 P2 A2
PS
A 81
B
Pd41
B2
T A2
Pb21
P
[BREAKER] [FLOW
( 21 ,A1)
CONFLUX]
<DOUBLE ACTING>
( 59 ,C)
24
( 2 ,Po5)
55
26
56 54 A1 A2 P2 PS A3
61
56
P T
60
T
79 (1) (2) P1
[PEDAL [BREAKER] [FLOW
( 21 ,A1)
SAFETY] CONFLUX]
T1
TS1
2
A
EV1
C5
T
D5
B1
EV2 B Pc5
C
( 61 ,P2)
B Pd5
OPTION-B
A A1
DR5
Po5
59
TS2
( 61 ,A3)
<DOZER BLADE & ADJUST BOOM>
74
32
31 73
33
2
P B
30 A E C6
C D F
Dr D6
Pc6
dr6
46 27
34
( 2 ,Pd0)
Pd6
A1 A2
( 21 ,A1)
26
T P
60
P1 T
BOOM1
( 21 ,A1) (2) (1)
<BOOM SAFETY LOCK>
22
( 59 ,C)
24
( 2 ,Po5)
PS
A1 A2 P2 PS A3
A1 A2
61
P
T
80 26
P1
52
[PEDAL [BREAKER] [FLOW
( 21 ,A1)
2 E
SAFETY] CONFLUX] ( 2 ,Pc40)
Pa4
2 Pc42
C5
Pb3
A P
D5 <PATTERN CHANGE>
35
B B1 Pc5
Pi
Pd5 Pd41
59 51
OP-B
A1
DR5
B2
( 2 ,Pd40)
Po5
59
A2
Pb21
( 61 ,A3)
<DOZER BLADE>
2
31 32
C6
D6
( 2 ,Pc40)
Pc6
46 27
Pd6
( 21 ,A1)
A P
26
35
T P
Pi
60
59
P B
30 A E
C Dr D F
( 2 ,Pd40)
(2) (1)
<QUICK CLAMP> <SWING PARKING BY FORCE>
( 25 ,b) ( 25 ,a) ( 25 ,e1)
A1
50
2
P3 P2 P1 T
B1
T B
R
( 2 ,Pc2)
P A
[SWING CCW]
2
( 2 ,Pc40)
Pa4
5
( 21 ,A1)
Pc42
SWING ARM
P T
Pb3
A P
35
Pi
(1) (3) (2) (4)
Pd41 59
( 3 ,SH)
B2
( 2 ,Pd40)
c B e1 D E
A2 A
25
( 2 ,Pc3)
Pb21
24
PS a d
b e
[SWING CCW] ( 2 ,Pd2)
[SWING CW] ( 2 ,Pc2)
<BOOM FLOATING> [ARM OUT] ( 2 ,Pd40)
[ARM2 OUT] ( 2 ,Pd41)
22
[ARM2 IN] ( 2 ,Pc42)
T
PS [ARM2 IN] ( 2 ,Pb3)
( 21 ,A1)
26
52 52
P
E Pi1 V2 V2 Pi1 E
22 22
62
A1 LC0 SC0 A2
(2) (1) (4)
( 2 ,Pd1)
[RH-FW]
( 2 ,Pb1)
[LH-FW] ( 2 ,Pa1)
T
[LH-BW]
LC1 SC1
14 13
2
B2 ( 2 ,Pb4)
16
A2 ( 2 ,P03)
A5
Pb21
21
DR1
63
Pb20
A P
T
T
( 25 ,j)
[BOOM DOWN]
BOOM ARM
PRIORITY REGEN' 2nd SPEED
ON/OFF
<ARM SAFETY LOCK>
dr5 E
T 53
ARM
Ps
52
Pi1 V2 V2 Pi1 E MB
V2 Pi1
( 2 ,Pb20)
( 25 ,e)
( 2 ,C4)
( 2 ,A2) ( 2 ,B2)
( 2 ,D4)
<SWING FINE CONTROL>
FROM TO 3
ITEM PORT ITEM PORT
MB MA
2 J1
5
Mu
J1 J2 J3 J4 4 J3
51
2 J4
6
4 J2
M1 D
65
M2 J
51 25
M1 M2 M3 M4
M3 E
A B
M4 H
<ADJUST BOOM>
2
C6
D6
Pc6
46 27
74
Pd6
73
( 21 ,A1)
C6
D6
dr5
26
Pc6
T P
60
OPTION C
Pd6
(DOZER)
Puo
(2) (1)
C5
D5
Pc5
OPTION B
Pd5
DR5
Po5
C4
A2 A3 D4
64
DR3
Pc41
[ARM HOLDING] ( 25 ,e)
Pc40
[ARM IN] ( 25 ,e)
Pd40
B2 B3 [ARM OUT] ( 25 ,d)
( 2 ,Pd2) ( 3 ,SH) ARM 1
[SWING CW]
V3
Pc3
6 ( 25 ,C)
( 21 ,A1)
DR2
[BOOM2 UP] ( 25 ,h)
BUCKET BOOM
P T Pa21
( 3 ,VA) BOOM 2
( 3 ,VB)
C2
D2
[SWING CW] ( 25 ,A) Pc2
[SWING CCW] ( 25 ,B)
Pd2
(3) (1) (2) (4)
SWING
24 24 24
DR4
PS F G H PS J PS
d1 h1 h2
P03
g [BOOM PRI'] ( 21 ,A5)
e2 f h j
PS
( 12 ,B) C1
( 2 ,Pb20)
24
( 12 ,D)
[BOOM DOWN] D1
[RH-BW]( 7 ,3)
Pc1
( 2 ,Pb21)
( 2 ,Pa5)
[RH-FW] ( 7 ,4)
[BOOM HOLDING]
[BUCKET IN]
Pd1
( 2 ,Pb5) ( 2 ,Pa20) [BOOM UP] TRAVEL
[BUCKET OUT] DR0 RIGHT
( 2 ,Pa21) [BOOM2 UP]
( 2 ,P04) [BOOM PRI']
( 2 ,Pc40) [ARM IN]
P0
( 21 ,P3)
( 2 ,Pc41) [ARM HOLDING]
24
TRAVEL
PS
A1 A2 Ai STRAIGHT
47
Pd0 P3
7
T TRAVEL
P1 T
a1
22
PS
A2 A1
(3) 1
45
23
( 2 ,Pc1)
P
[RH-BW] T PS
26
FC2 FC1
( 5 ,P)
( 2 ,Pn2)
( 12 ,P)
( 6 ,P)
( 3 ,PG)
( 2 ,Pu)
( 7 ,P)
A4 A3 A2 A1
( 2 ,P02)
P4
( 2 ,P0) B1
P3
P2
P1
TRAVEL POWER SAFETY
BOOST
3-1
SECTION 3 HYDRAULIC SYSTEM
( 25 ,e1)
3
SH
AU
LH RH
4
SPRING 4k
DR
T*
DR DR Ps
REG REG REG
MA MA MB
MB MA
MU
VB VA VA VB
P2(BW) P1(FW) P1(BW) P2(FW)
P B
12 A
VA(CW)
C Dr D VB(CCW)
( 2 ,D2)
( 2 ,C2)
( 2 ,A1) ( 2 ,D1)
( 2 ,B1) ( 2 ,C1)
( 21 ,A3)
10 11 8
( 1 ,Pi1) ( 1 ,Pi2)
Rs
Pn2 Pn1
2
B5
A5
Pb5
( 25 ,g) [BUCKET OUT]
( 25 ,F) [BUCKET IN]
Pa5
BUCKET
P04
( 25 ,h) [BOOM PRI']
B4
Pb4
( 21 ,A4) [ARM REGEN]
Pa4
Pc42
ARM ( 25 ,e) [ARM REGEN]
REGEN
Pb3
( 25 ,e) [ARM2 IN]
ARM 2
Pd41
( 25 ,d) [ARM2 OUT]
B2
A2
Pb21
( 25 ,j) [BOOM HOLDING]
DR1
( 25 ,j) [BOOM DOWN]
Pb20
( 25 ,h) [BOOM UP]
Pa20
P02
BOOM 1 ( 21 ,P3)
Patt 24
PS
B1
( 12 ,A)
( 12 ,C)
A1
( 7 ,1) [LH-FW]
Pb1
Pa1
( 7 ,2) [LH-BW]
TRAVEL
LEFT
T1
P1 P2
( 21 ,A2)
13
14
a2
22
PS
16
23 17
26
PS
( 2 ,Pn1)
23
PS
20
15
a3
18
P1
19
B3 a4
140L3HC01
( 21 ,P4)
PG
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 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
19 Strainer
20 Drain filter
21 5 cartridge valve
22 Pressure sensor
23 Pressure sensor
24 Pressure sensor
25 Shuttle block
26 Last guard filter
27 Shuttle valve(option)
30 Turning joint(option)
31 Dozer cylinder(LH, option)
32 Dozer cylinder(RH, option)
33 Selector valve(option)
34 Solenoid valve(option)
35 Pilot selector valve(option)
38 Fan drive pump(option)
44 Solenoid valve(option)
45 2 EPPR cartridge valve(option)
46 Pressure switch(option)
47 Solenoid valve(option)
50 Solenoid valve(option)
51 Pattern change valve(option)
52 Boom safety valve(option)
53 Arm safety valve(option)
54 Accumulator(option)
55 Accumulator(option)
56 Stop valve(option)
57 Proportional relief valve(option)
59 Shuttle valve(option)
60 2 way pedal(option)
61 Solenoid valve(option)
62 Float cartridge valve(option)
63 Solenoid valve(option)
64 Solenoid valve(option)
65 Solenoid valve(option)
73 Adjust boom cylinder(option)
74 Adjust boom safety valve(option)
78 Proportional valve(option)
79 Proportional relief valve(option)
80 2 EPPR valve(option)
81 Solenoid valve(option)