Case CX130, Manual, Page: 261 / 262

CX130 EXCAVATOR
HYDRAULIC SCHEMATIC
Number 7-27610
CX130 EXCAVATOR
HYDRAULIC / ELECTRICAL
SCHEMATIC
2
A
C
E
F
D
B
1
4 10
4
10
10µ
19
10 µ
150 MESH
20 21
3
35
27
T
P
3
1
2 4
RETRACT EXTEND LEFT RIGHT
SWING DIPPER
32
REAR FRONT FRONT REAR
9
4b1
1
2 4
3
P
TRAVEL (LEFT)
TRAVEL (RIGHT)
RED
POWER BOOST
BLUE
PILOT PRESSURE
CONTROL
YELLOW
2nd SPEED
PINK
SWING BRAKE
GREEN
SWING
CANCELLATION
LIGHT GREEN
SHOCK ABSORPTION
CANCELLATION
C4
C2
P
C5
C3
C1
T B
P2
P0
P
30
26
T
REAR LH
FRONT LH REAR RH
FRONT RH
P
Dr
A
B
MU
P3
ø 1
10 µ
RED
B
A
C1
D
C2
RED
B
A
C1
D
C2
3
Pi
a
31 µ
5B5
5a51
0.03 MPa
4.35 psi
0.3 bar
LEFT
RIGHT
6
5
7 8
1. SWING MOTOR
2. HYDRAULIC SWIVEL
3. DIPPER SAFETY VALVE
4. TRAVEL MOTOR
5. DIPPER CYLINDER
6. BUCKET CYLINDER
7. BOOM CYLINDER
8. BOOM CYLINDER
9. CONTROL VALVE
10. TRAVEL BRAKE
11. DUAL FLOW SOLENOID VALVE (OPTIONAL)
12. RETURN FILTER (OPTIONAL)
13. 3-WAY SELECTOR (OPTIONAL)
14. OPTION CONTROL PEDAL
15. OIL-COOLER
16. BREATHER
17. RESERVOIR
18. FILTER
19. SCREEN FILTER
20. BY-PASS VALVE
21. RETURN FILTER
22. SHUT-OFF VALVE
23. FILTER (ULTRA-CLEAN) (BY-PASS SYSTEM)
24. DIPPER CONTROL SHOCK ABSORBER
25. TRAVEL PRESSURE SWITCH
26. 6 SOLENOID VALVE BLOCK
27. SWING & DIPPER CONTROL LEVER
28. ACCUMULATOR
29. PILOT SYSTEM AND RETURN MANIFOLD
30. PILOT SYSTEM FILTER
31. HYDRAULIC PUMP
32. TRAVEL CONTROL PEDAL
33. RETURN MANIFOLD
34. SWING PRESSURE SWITCH
35. BOOM & BUCKET CONTROL LEVER
36. BOOM & DIPPER CONTROL SHOCK ABSORBER
37. OIL-COOLER BY-PASS VALVE
38. SWING SHUTTLE BLOCK
39. PRESSURE TEST POINT
40. ATTACHMENT PRESSURE SWITCH
41. FLOW RE-INJECTION BLOCK (OPTIONAL)
42. PUMP 1 PRESSURE DETECTOR
43. PUMP 2 PRESSURE DETECTOR
44. PUMP REGULATING PRESSURE DETECTOR
45. PRESSURE SWITCH (OPTIONAL)
46. BOOM SAFETY VALVE (OPTIONAL)
47. SHUTTLE BLOCK (OPTIONAL)
48. POWER BOOST PRESSURE DETECTOR (OPTIONAL)
49. FILTER
50. PUMP REGULATING SOLENOID VALVE
51. SAFETY VALVE RETURN MANIFOLD (OPTIONAL)
52. SWING PRIORITY BLOCK
ITEM DESCRIPTION
WITHOUT DUAL
FLOW OPTION
9
26
28 29
35
31
15
4
36
21 20 19 17 16
23
1
32
35
7
8
5
6
PL PY
FL
dr1
FR
R2
REAR
FRONT
BOOM (2)
TRAVEL (RH)
BUCKET
DIPPER (2)
RETRACTED
EXTENDED
LEFT
RIGHT
OPEN
CLOSED
9C
DIPPER (1)
SWING
9E
PO
9D
BOOM (1)
OPTION
HAMMER
ON
TRAVEL (LH)
RAISE
LOWER
REAR
FRONT
EXTENDER
RETRACTED
9B
9A
R1
R3
R4 R5
9E
5b32
9
51
T2
9
5b51
51
T3
5A5
3G
5a52
5b52
5b51
13
D
47
B1
5B4
5A4
47
B2
13
A
5a4
5b4
OPT
9 9
dr1
4b21
5a31
5a32
5b31
5b32
5B2
5A2
5a2
5b2
Ø2.5
Ø2.5
32
3
32
4
5B1
5A1
5a1
5b1
0.004 MPa
0.58 psi
0.04 bar
0.098 MPa
13 psi
0.9 bar
17
31
T
12
T
26
T
B
A
B A
16
23
22
15
18
D1
D2
D3
T1
D7
D6
T
3
T1
T2
T3
T1
T4
3
T2
46
T
9
a
P
A
T
B
41
*
49
P4 P5
P3 P2 P1
T4 T5
T3 T2 T1
29
49
35
T
P
3
1
2 4
LOWER RAISE OPEN CLOSED
BUCKET
BOOM
49
49
9
4a3
9
4b3
36
A
B
E
F
T
H
G
R
D
C
S
RETRACTED
EXTENDED
LOWER
RAISE
RIGHT
LEFT
Px2 Px1
Ps1
9
4a1
9
5a1
9
5b1
1
2
P
T
A1 S1
B1 S2 B2
A2
ON 0.5 MPa
72.5 psi
5 bar
OFF 0.3 MPa
43.5 psi
3 bar
P T
A
9
5a4
9
5b4
9
a
47
*
45
*
45
*
14
*
11
*
49
HAMMER
OPTION
ON
ON 2.0 MPa OFF 1.5 MPa
290 psi 218 psi
20 bar 15 bar
ON 1.2 MPa OFF 0.9 MPa
174 psi
130 psi
12 bar 9 bar
9
4a2
24
48
*
P2 P2 P3 P3
P1 P1
P1 P1 T T
51
T1
46G
46
*
46
*
4b4
4a42
4a41
4b3
4a3
1
35
P1
46
4A2
4B2
5a31
9
4A3
4B3
4b22
4a2
4b21
4A1
4B1
4b1
4a1
2
32
1
32
B
A
ø 1.2
P13
B
33
D7
11
A
WITHOUT DUAL
FLOW OPTION
P1
0.098 MPa
13 psi
0.9 bar
0.049 MPa
5.8 psi
0.4 bar
28 39
D1
33
LEGEND
PUMP 1
PUMP 2
PILOT SYSTEM PUMP
RETURN TO RESERVOIR
LEAK-OFF RETURN
SUPPLY CIRCUIT
PILOT SYSTEM CIRCUIT
STRIP COLOUR INDICATION
ON SOLENOID VALVE WIRE
COMPONENT BOUNDARY
HOSE
PIPING CONNECTION
PIPING CROSS-OVER
COMPONENT ITEM NO.
COMPONENT NUMBER
CONNECTION ITEM NO.
OPTIONAL ITEM NO.
41
9
al1
*
ITEM PRESSURE SETTING
1F = 27.9 MPa / 279 bar / 4048 psi at 107 l/mn
3G = 38.3 MPa / 383 bar / 5558 psi at 20 l/mn
9A = 34.3 MPa / 343 bar / 4977 psi at 64 l/mn
36.3 MPa / 363 bar / 5267 psi at 56 l/mn
9B = 38.3 MPa / 383 bar / 5558 psi at 20 l/mn
9C = 38.3 MPa / 383 bar / 5558 psi at 20 l/mn
9D = 38.3 MPa / 383 bar / 5558 psi at 20 l/mn
9E = 2.55 MPa / 25.5 bar / 370 psi at 35 l/mn
46G = 38.3 MPa / 383 bar / 5558 psi at 20 l/mn
3.92 Mpa
565 psi
39 bar
31
M
ISUZU
4BGIT
66,2KW
2100 min-1
G1
A1
G2 A2
G3
X3
A3
G4
G5
G6 G7
T2 T1
R2 R1 PZ2
44
50
A
17
T
X7
X8
X1
43
42
PZ1
10µ
A
C
B
12
5A4
9
5B4
9
D
T T
A
15
22
13
3
GA GB
T2
Pi
T1 P1
46G
37
ø 3
*
*
9
P12
P11
dr2
Ps2
49
S
52
0.29 Mpa
42 psi
2.9 bar
40
25
51
*
33
*
1F
1F
S3
X4
X2
ON 0.5 MPa
72.6 psi
5 bar
OFF 0.3 MPa
43.5 psi
3 bar
38
PR
A
3S
S1
2S 1S
S2
S3
34