v723 Hydraulic Schematic combined-schems

HYDRAULIC/HYDROSTATIC SCHEMATIC
Without Frame Leveling
V723 (S/N 367811001 - 367812000)
(Printed August 2006)
V-0536legend
SPRING LOADED FILTER BYPASS
VALVE: 36 PSI (2,5 Bar)
CHECK VALVE
RESERVOIR:
System Capacity 88 Qts. (83 L)
1
FILTER - Hydraulic
2
3
4
15
SERVO PISTON - Swash Plate
16
HYDRAULIC PUMP - Gear type
24.0 GPM (91 L/min.) @ High Engine Idle
17
HYDRAULIC PUMP - Gear Type
4.2 GPM (16 L/min.) @ High Engine Idle
18
PRIORITY VALVE
19
5
20
ANTICAVITATION/WORK PORT RELIEF
VALVE 3988 PSI (275 Bar)
21
ANTICAVITATION/WORK PORT RELIEF
VALVE 3045 PSI (210 Bar)
22
ANTICAVITATION/WORK PORT RELIEF
VALVE 3625 PSI (250 Bar)
23
ANTICAVITATION/WORK PORT RELIEF
VALVE 3625 PSI (250 Bar)
24
COMPENSATOR
25
26
LOAD SENSE RELIEF CARTRIDGE
27
28
34
35
36
37
38
39
40
V0536Hle (8-7-06)
NOTE: Unless otherwise specified
springs have NO significant
pressure value.
LEGEND
ORIFICE
SOLENOID - Forward Drive
VARIABLE CAPACITY DISPLACEMENT
BIDIRECTIONAL HYDROSTATIC PUMP
RELIEF VALVE - Charge
435 PSI (30 Bar)
RELIEF/REPLENISHING VALVE -
HIGH PRESSURE (2) - 6527 PSI (450
Bar)
BOOM CYLINDER LOCK VALVE - Lock
Pressure - 5438 PSI (375 Bar)
SOLENOID - Reverse Drive
6
7
8
9
10
11
12
13
Printed in U.S.A.
14
CHARGE PUMP
4.5 GPM (17 L/min.) @ 2200 RPM
29
30
LOAD SENSE ACTIVATION VALVE
31
PRESSURE SWITCH - Parking Brake
247 PSI (17 Bar)
32
BRAKE VALVE 290 PSI (20 Bar)
33
DIRECTIONAL CONTROL VALVE
41
SERVO PISTON - Swash Plate
42
RELIEF VALVE - 392 PSI (27 Bar)
43
TOW VALVE
44
45
AUXILIARY PRESSURE RELEASE
VALVE
BRAKE VALVE 363 PSI (25 Bar)
RELIEF VALVE 2320 PSI (160 Bar)
RELIEF VALVE (2) 3553 PSI (245 Bar)
SHUTTLE VALVE - Drive Pressure
MOTOR DISPLACEMENT CONTROL
SPOOL - 2610 PSI (140 Bar)
SHUTTLE VALVE - Drain
VARIABLE CAPACITY DISPLACEMENT
BIDIRECTIONAL HYDROSTATIC MOTOR
LOAD CHECK
TELESCOPIC CYLINDER LOCK
VALVE - 2030 PSI (140 Bar)
ACCUMULATOR - 3625 PSI (250 Bar)
RELIEF VALVE
218 PSI (15 Bar)
RELIEF VALVE
3408 PSI (235 Bar)
BUCKET POSITIONING CYLINDER
LOCK VALVE - 3625 PSI (250 Bar)
TILT CYLINDER LOCK VALVE
3552 PSI (245 Bar)
CHECK VALVE - With 7 PSI (0,5 Bar)
Spring
46
47
ACCUMULATOR - 217 PSI (15 Bar)
CHECK VALVE - With 43 PSI (3,0 Bar)
Spring
48
RELIEF VALVE
49
CHECK VALVE - Anti-cavitation
1 of 8
Dealer Copy -- Not for Resale
IN
IN
OUT LS
CF
EF
M2 M1
L1
S
L2
B
A
M4
M5
M3
3/1
3/13/1
C2
V2
pil
P
T
X
MX
C
P T
MA
A P T
U
X
1
Prop. 1
Prop. 2
A1 A2
B1
B2 4
3
2
P
T
A
B2
B1
T
L R
LS T
P
C1
C2
C4
C3 C5 C6
C7
C8
C9
INTERSECTION OF HYDRAULIC LINES
INDICATED BY JUNCTION DOT
PUMP SUPPLY
WORKING CIRCUITS
PILOT PRESSURE
SYSTEM RETURN LINES
ENCLOSURE
DIRECT TANK RETURN
LOAD SENSE
TILT CYLINDER
TELESCOPIC
CYLINDER
SELF LEVELLING CYLINDER
SPOOL VALVE BLOCK
JOYSTICK
CONTROL VALVE
REAR AXLE
STEERING VALVE
PARKING BRAKE
SERVICE BRAKE
STEERING UNIT
FRONT AXLE
HYDROSTATIC MOTOR
HYDRAULIC FILTER
OIL COOLER
COOLING MOTOR
HYDROSTATIC PUMP
GEAR PUMP
C1 C2 C3 C4
C10
C8
C9
C7 C6 C5
1
A B
DRAIN
BLOCK
A
T
A
T
A1B1
b
a
a
A2B2
b
A3B3A4B4
Y
pstM
T1
P
LS
T
TELESCOPIC
CYLINDER
SPOOL
AUXILIARY
SPOOL
TILT
CYLINDER
SPOOL
BOOM
CYLINDER
SPOOL
B
T
B
T
;
n
M2
M1
N
M3 M4 L2
A
XA
XB
BL1
MAX.
DISP.
M5
RESERVOIR
ACCUMULATOR
T
P
A
B
AUXILIARY
PRESSURE
RELEASE VALVE
HYDROSTATIC
BY-PASS
VALVE
C
P T
PASSIVE BRAKE
VALVE
PERKINS 1104C-44T
MAX 2400 RPM
74.5 kW @ 2200 RPM
412 Nm @ 1400 RPM
MIN 800 PRM
B
C
A
C1C2
AC
C
V1
V2
4/1
BOOM
CYLINDER
QUICK
COUPLERS
EV51
BUCKET PINS
SECONDARY AUX.
VALVE (OPTIONAL)
C2
C3
C1
C4
(PRINTED AUGUST 2006)
V-0536
HYDRAULIC SCHEMATIC
Without Frame Leveling
V723 (S/N 367811001 - 367812000)
V-0536 (8-7-06)
1
29
2
3
4
5
47
48
49
43
38
41
40
39
42
37
36
36
35
34
33
32
31
46
45
17
16
18
12
11
14
13
15
9
10
8
28
6
7
44
44
19
19
20
21
22
19
23
19
24
24
24
24
26
27
25
30
2 of 8
Dealer Copy -- Not for Resale
HYDRAULIC/HYDROSTATIC SCHEMATIC
With Frame Leveling
V723 (S/N 368011001 - 368012000)
(S/N 368111001 - 368112000)
(Printed August 2006)
V-0537legend
SPRING LOADED FILTER BYPASS
VALVE: 36 PSI (2,5 Bar)
CHECK VALVE
RESERVOIR:
System Capacity 88 Qts. (83 L)
1
FILTER - Hydraulic
2
3
4
15
SERVO PISTON - Swash Plate
16
HYDRAULIC PUMP - Gear type
24.0 GPM (91 L/min.) @ High Engine Idle
17
HYDRAULIC PUMP - Gear Type
4.2 GPM (16 L/min.) @ High Engine Idle
18
PRIORITY VALVE
19
5
20
ANTICAVITATION/WORK PORT RELIEF
VALVE 3988 PSI (275 Bar)
21
ANTICAVITATION/WORK PORT RELIEF
VALVE 3045 PSI (210 Bar)
22
ANTICAVITATION/WORK PORT RELIEF
VALVE 3625 PSI (250 Bar)
23
ANTICAVITATION/WORK PORT RELIEF
VALVE 3625 PSI (250 Bar)
24
COMPENSATOR
25
26
LOAD SENSE RELIEF CARTRIDGE
27
28
34
35
36
37
38
39
40
V0537Hle (8-7-06)
NOTE: Unless otherwise specified
springs have NO significant
pressure value.
LEGEND
ORIFICE
SOLENOID - Forward Drive
VARIABLE CAPACITY DISPLACEMENT
BIDIRECTIONAL HYDROSTATIC PUMP
RELIEF VALVE - Charge
435 PSI (30 Bar)
RELIEF/REPLENISHING VALVE -
HIGH PRESSURE (2) - 6527 PSI (450
Bar)
BOOM CYLINDER LOCK VALVE - Lock
Pressure - 5438 PSI (375 Bar)
SOLENOID - Reverse Drive
6
7
8
9
10
11
12
13
Printed in U.S.A.
14
CHARGE PUMP
4.5 GPM (17 L/min.) @ 2200 RPM
29
30
LOAD SENSE ACTIVATION VALVE
31
PRESSURE SWITCH - Parking Brake
247 PSI (17 Bar)
32
BRAKE VALVE 290 PSI (20 Bar)
33
DIRECTIONAL CONTROL VALVE
41
SERVO PISTON - Swash Plate
42
RELIEF VALVE - 392 PSI (27 Bar)
43
TOW VALVE
44
45
AUXILIARY PRESSURE RELEASE
VALVE
BRAKE VALVE 363 PSI (25 Bar)
RELIEF VALVE 2320 PSI (160 Bar)
RELIEF VALVE (2) 3553 PSI (245 Bar)
SHUTTLE VALVE - Drive Pressure
MOTOR DISPLACEMENT CONTROL
SPOOL - 2610 PSI (140 Bar)
SHUTTLE VALVE - Drain
VARIABLE CAPACITY DISPLACEMENT
BIDIRECTIONAL HYDROSTATIC MOTOR
LOAD CHECK
TELESCOPIC CYLINDER LOCK
VALVE - 2030 PSI (140 Bar)
ACCUMULATOR - 3625 PSI (250 Bar)
RELIEF VALVE
218 PSI (15 Bar)
RELIEF VALVE
3408 PSI (235 Bar)
BUCKET POSITIONING CYLINDER
LOCK VALVE - 3625 PSI (250 Bar)
TILT CYLINDER LOCK VALVE
3552 PSI (245 Bar)
CHECK VALVE - With 7 PSI (0,5 Bar)
Spring
46
47
ACCUMULATOR - 217 PSI (15 Bar)
CHECK VALVE - With 43 PSI (3,0 Bar)
Spring
48
PRIORITY VALVE - 58 PSI (4,0 Bar)
49
RELIEF VALVE - 2900 PSI (200 Bar)
50
SOLENOID ACTIVATED DIRECTIONAL
CONTROL VALVE - FRAME LEVEL -
REDUCED SPEED
51
SOLENOID ACTIVATED DIRECTIONAL
CONTROL VALVE - FRAME LEVEL -
LEFT/RIGHT DIRECTION CONTROL
52
SHUTTLE VALVE - Priority
LOCK VALVES - 3045 PSI (210 Bar)
53
54
RELIEF VALVE
55
CHECK VALVE - Anti-cavitation
3 of 8
Dealer Copy -- Not for Resale
IN
IN
OUT LS
CF
EF
M2 M1
L1
S
L2
B
A
M4
M5
M3
3/1
3/13/1
C2
V2
pil
P
T
X
MX
C
P T
MA
A P T
U
X
1
Prop. 1
Prop. 2
A1 A2
B1
B2 4
3
2
P
T
A
B2
B1
T
L R
LS T
P
C1
C2
C4
C3 C5 C6
C7
C8
C9
INTERSECTION OF HYDRAULIC LINES
INDICATED BY JUNCTION DOT
PUMP SUPPLY
WORKING CIRCUITS
PILOT PRESSURE
SYSTEM RETURN LINES
ENCLOSURE
DIRECT TANK RETURN
LOAD SENSE
TILT CYLINDER
TELESCOPIC
CYLINDER
SELF LEVELLING CYLINDER
SPOOL VALVE BLOCK
JOYSTICK
CONTROL VALVE
REAR AXLE
STEERING VALVE
PARKING BRAKE
SERVICE BRAKE
STEERING UNIT
FRONT AXLE
HYDROSTATIC MOTOR
HYDRAULIC FILTER
OIL COOLER
COOLING MOTOR
HYDROSTATIC PUMP
GEAR PUMP
C1 C2 C3 C4
C10
C8
C9
C7 C6 C5
1
A B
DRAIN
BLOCK
A
T
A
T
A1B1
b
a
a
A2B2
b
A3B3A4B4
Y
pstM
T1
P
LS
T
TELESCOPIC
CYLINDER
SPOOL
AUXILIARY
SPOOL
TILT
CYLINDER
SPOOL
BOOM
CYLINDER
SPOOL
B
T
B
T
;
n
M2
M1
N
M3 M4 L2
A
XA
XB
BL1
MAX.
DISP.
M5
RESERVOIR
ACCUMULATOR
T
P
A
B
AUXILIARY
PRESSURE
RELEASE VALVE
A
B
P T V
A
B
T
a
b
0
P
FRAME LEVELLING CYLINDER
FRAME LEVELLING HYDRAULIC BLOCK
A
B
HYDROSTATIC
BY-PASS
VALVE
C
P T
PASSIVE BRAKE
VALVE
PERKINS 1104C-44T
MAX 2400 RPM
74.5 kW @ 2200 RPM
412 Nm @ 1400 RPM
MIN 800 PRM
B
C
A
C1C2
AC
C
V1
V2
4/1
BOOM
CYLINDER
QUICK
COUPLERS
EV51
BUCKET PINS
SECONDARY AUX.
VALVE (OPTIONAL)
C2
C3
C1
C4
(PRINTED AUGUST 2006)
V-0537
HYDRAULIC SCHEMATIC
With Frame Leveling
V723 (S/N 368011001 - 368012000)
(S/N 369111001 - 368112000)
V-0537 (8-7-06)
1
29
2
3
4
5
47
54
55
53
53
52
51
49
48
50
43
38
41
40
39
42
37
36
36
35
34
33
32
31
46
45
17
16
18
12
11
14
13
15
9
10
8
28
6
7
44
44
19
19
20
21
22
19
23
19
24
24
24
24
26
27
25
30
4 of 8
Dealer Copy -- Not for Resale
HYDRAULIC/HYDROSTATIC SCHEMATIC
Without Frame Leveling
V723 (S/N 367812001 AND ABOVE)
(Printed August 2006)
V-0826legend
SPRING LOADED FILTER BYPASS
VALVE: 36 PSI (2,5 Bar)
CHECK VALVE
RESERVOIR:
System Capacity 88 Qts. (83 L)
1
FILTER - Hydraulic
2
3
4
15
SERVO PISTON - Swash Plate
16
HYDRAULIC PUMP - Gear type
24.0 GPM (91 L/min.) @ High Engine Idle
17
HYDRAULIC PUMP - Gear Type
4.2 GPM (16 L/min.) @ High Engine Idle
18
PRIORITY VALVE
19
5
20
ANTICAVITATION/WORK PORT RELIEF
VALVE 3988 PSI (275 Bar)
21
ANTICAVITATION/WORK PORT RELIEF
VALVE 3045 PSI (210 Bar)
22
ANTICAVITATION/WORK PORT RELIEF
VALVE 3625 PSI (250 Bar)
23
ANTICAVITATION/WORK PORT RELIEF
VALVE 3625 PSI (250 Bar)
24
COMPENSATOR
25
26
LOAD SENSE RELIEF CARTRIDGE
27
28
34
35
36
37
38
39
40
V0826Hle (8-7-06)
NOTE: Unless otherwise specified
springs have NO significant
pressure value.
LEGEND
ORIFICE
SOLENOID - Forward Drive
VARIABLE CAPACITY DISPLACEMENT
BIDIRECTIONAL HYDROSTATIC PUMP
RELIEF VALVE - Charge
435 PSI (30 Bar)
RELIEF/REPLENISHING VALVE -
HIGH PRESSURE (2) - 6527 PSI (450
Bar)
BOOM CYLINDER LOCK VALVE - Lock
Pressure - 5438 PSI (375 Bar)
SOLENOID - Reverse Drive
6
7
8
9
10
11
12
13
Printed in U.S.A.
14
CHARGE PUMP
4.5 GPM (17 L/min.) @ 2200 RPM
29
30
LOAD SENSE ACTIVATION VALVE
31
RELIEF VALVE - 392 PSI (27 Bar)
32
PRESSURE SWITCH 232 PSI (16 Bar)
33
DIRECTIONAL CONTROL VALVE
41
SERVO PISTON - Swash Plate
42
RELIEF VALVE - 392 PSI (27 Bar)
43
TOW VALVE
44
45
AUXILIARY PRESSURE RELEASE
VALVE
BRAKE VALVE 363 PSI (25 Bar)
RELIEF VALVE 2320 PSI (160 Bar)
RELIEF VALVE (2) 3553 PSI (245 Bar)
SHUTTLE VALVE - Drive Pressure
MOTOR DISPLACEMENT CONTROL
SPOOL - 2610 PSI (140 Bar)
SHUTTLE VALVE - Drain
VARIABLE CAPACITY DISPLACEMENT
BIDIRECTIONAL HYDROSTATIC MOTOR
LOAD CHECK
TELESCOPIC CYLINDER LOCK
VALVE - 2030 PSI (140 Bar)
ACCUMULATOR - 3625 PSI (250 Bar)
RELIEF VALVE
218 PSI (15 Bar)
RELIEF VALVE
3408 PSI (235 Bar)
BUCKET POSITIONING CYLINDER
LOCK VALVE - 3625 PSI (250 Bar)
TILT CYLINDER LOCK VALVE
3552 PSI (245 Bar)
CHECK VALVE - With 7 PSI (0,5 Bar)
Spring
46
47
ACCUMULATOR - 217 PSI (15 Bar)
CHECK VALVE - With 43 PSI (3,0 Bar)
Spring
48
RELIEF VALVE
49
CHECK VALVE - Anti-cavitation
5 of 8
Dealer Copy -- Not for Resale
IN
IN
OUT LS
CF
EF
M2 M1
L1
S
L2
B
A
M4
M5
M3
3/1
3/13/1
C2
V2
pil
C
P T
MA
A P T
U
X
1
Prop. 1
Prop. 2
A1 A2
B1
B2 4
3
2
P
T
A
B2
B1
T
L R
LS T
P
INTERSECTION OF HYDRAULIC LINES
INDICATED BY JUNCTION DOT
PUMP SUPPLY
WORKING CIRCUITS
PILOT PRESSURE
SYSTEM RETURN LINES
ENCLOSURE
DIRECT TANK RETURN
LOAD SENSE
TILT CYLINDER
TELESCOPIC
CYLINDER
SELF LEVELLING CYLINDER
SPOOL VALVE BLOCK
JOYSTICK
CONTROL VALVE
REAR AXLE
STEERING VALVE
SERVICE BRAKE
STEERING UNIT
FRONT AXLE
HYDROSTATIC MOTOR
HYDRAULIC FILTER
OIL COOLER
COOLING MOTOR
HYDROSTATIC PUMP
GEAR PUMP
C1 C2 C3 C4
C10
C8
C9
C7 C6 C5
DRAIN
BLOCK
A
T
A
T
A1B1
b
a
a
A2B2
b
A3B3A4B4
Y
pstM
T1
P
LS
T
TELESCOPIC
CYLINDER
SPOOL
AUXILIARY
SPOOL
TILT
CYLINDER
SPOOL
BOOM
CYLINDER
SPOOL
B
T
B
T
;
n
M2
M1
N
M3 M4 L2
A
XA
XB
BL1
MAX.
DISP.
M5
RESERVOIR
T
P
A
B
HYDROSTATIC
BY-PASS
VALVE
PERKINS 1104C-44T
MAX 2400 RPM
74.5 kW @ 2200 RPM
412 Nm @ 1400 RPM
MIN 800 PRM
B
C
A
C1C2
AC
C
V1
V2
4/1
BOOM
CYLINDER
QUICK
COUPLERS
EV51
BUCKET PINS
SECONDARY AUX.
VALVE (OPTIONAL)
C2
C3
C1
C4
(PRINTED AUGUST 2006)
V-0826
HYDRAULIC SCHEMATIC
Without Frame Leveling
V723 (S/N 367812001 AND ABOVE)
V-0826 (6-02-06)
1
29
2
3
4
5
47
48
49
43
38
41
40
39
42
37
36
36
35
34
17
16
18
12
11
14
13
15
9
10
8
28
6
7
44
44
19
19
20
21
22
19
23
19
24
24
24
24
26
27
25
30
C1
MA
C2
C3 C4
C5
C6
C7
1
A B
ACCUMULATOR
AUXILIARY
PRESSURE
RELEASE VALVE
33
31
32
46
45
MS
ACCUMULATOR
CHARGING
VALVE
PASSIVE BRAKE AND
PASSIVE BRAKE VALVE
6 of 8
Dealer Copy -- Not for Resale
HYDRAULIC/HYDROSTATIC SCHEMATIC
With Frame Leveling
V723 (S/N 368012001 AND ABOVE)
(S/N 368112001 AND ABOVE)
(Printed August 2006)
V-0827legend
SPRING LOADED FILTER BYPASS
VALVE: 36 PSI (2,5 Bar)
CHECK VALVE
RESERVOIR:
System Capacity 88 Qts. (83 L)
1
FILTER - Hydraulic
2
3
4
15
SERVO PISTON - Swash Plate
16
HYDRAULIC PUMP - Gear type
24.0 GPM (91 L/min.) @ High Engine Idle
17
HYDRAULIC PUMP - Gear Type
4.2 GPM (16 L/min.) @ High Engine Idle
18
PRIORITY VALVE
19
5
20
ANTICAVITATION/WORK PORT RELIEF
VALVE 3988 PSI (275 Bar)
21
ANTICAVITATION/WORK PORT RELIEF
VALVE 3045 PSI (210 Bar)
22
ANTICAVITATION/WORK PORT RELIEF
VALVE 3625 PSI (250 Bar)
23
ANTICAVITATION/WORK PORT RELIEF
VALVE 3625 PSI (250 Bar)
24
COMPENSATOR
25
26
LOAD SENSE RELIEF CARTRIDGE
27
28
34
35
36
37
38
39
40
V0827Hle (8-7-06)
NOTE: Unless otherwise specified
springs have NO significant
pressure value.
LEGEND
ORIFICE
SOLENOID - Forward Drive
VARIABLE CAPACITY DISPLACEMENT
BIDIRECTIONAL HYDROSTATIC PUMP
RELIEF VALVE - Charge
435 PSI (30 Bar)
RELIEF/REPLENISHING VALVE -
HIGH PRESSURE (2) - 6527 PSI (450
Bar)
BOOM CYLINDER LOCK VALVE - Lock
Pressure - 5438 PSI (375 Bar)
SOLENOID - Reverse Drive
6
7
8
9
10
11
12
13
Printed in U.S.A.
14
CHARGE PUMP
4.5 GPM (17 L/min.) @ 2200 RPM
29
30
LOAD SENSE ACTIVATION VALVE
31
RELIEF VALVE - 392 PSI (27 Bar)
32
PRESSURE SWITCH 232 PSI (16 Bar)
33
DIRECTIONAL CONTROL VALVE
41
SERVO PISTON - Swash Plate
42
RELIEF VALVE - 392 PSI (27 Bar)
43
TOW VALVE
44
45
AUXILIARY PRESSURE RELEASE
VALVE
BRAKE VALVE 363 PSI (25 Bar)
RELIEF VALVE 2320 PSI (160 Bar)
RELIEF VALVE (2) 3553 PSI (245 Bar)
SHUTTLE VALVE - Drive Pressure
MOTOR DISPLACEMENT CONTROL
SPOOL - 2610 PSI (140 Bar)
SHUTTLE VALVE - Drain
VARIABLE CAPACITY DISPLACEMENT
BIDIRECTIONAL HYDROSTATIC MOTOR
LOAD CHECK
TELESCOPIC CYLINDER LOCK
VALVE - 2030 PSI (140 Bar)
ACCUMULATOR - 3625 PSI (250 Bar)
RELIEF VALVE
218 PSI (15 Bar)
RELIEF VALVE
3408 PSI (235 Bar)
BUCKET POSITIONING CYLINDER
LOCK VALVE - 3625 PSI (250 Bar)
TILT CYLINDER LOCK VALVE
3552 PSI (245 Bar)
CHECK VALVE - With 7 PSI (0,5 Bar)
Spring
46
47
ACCUMULATOR - 217 PSI (15 Bar)
CHECK VALVE - With 43 PSI (3,0 Bar)
Spring
48
PRIORITY VALVE - 58 PSI (4,0 Bar)
49
RELIEF VALVE - 2900 PSI (200 Bar)
50
SOLENOID ACTIVATED DIRECTIONAL
CONTROL VALVE - FRAME LEVEL -
REDUCED SPEED
51
SOLENOID ACTIVATED DIRECTIONAL
CONTROL VALVE - FRAME LEVEL -
LEFT/RIGHT DIRECTION CONTROL
52
SHUTTLE VALVE - Priority
LOCK VALVES - 3045 PSI (210 Bar)
53
54
RELIEF VALVE
55
CHECK VALVE - Anti-cavitation
7 of 8
Dealer Copy -- Not for Resale
IN
IN
OUT LS
CF
EF
M2 M1
L1
S
L2
B
A
M4
M5
M3
3/1
3/13/1
C2
V2
pil
C
P T
MA
A P T
U
X
1
Prop. 1
Prop. 2
A1 A2
B1
B2 4
3
2
P
T
A
B2
B1
T
L R
LS T
P
C1
MA
C2
C3 C4
C5
C6
C7
INTERSECTION OF HYDRAULIC LINES
INDICATED BY JUNCTION DOT
PUMP SUPPLY
WORKING CIRCUITS
PILOT PRESSURE
SYSTEM RETURN LINES
ENCLOSURE
DIRECT TANK RETURN
LOAD SENSE
TILT CYLINDER
TELESCOPIC
CYLINDER
SELF LEVELLING CYLINDER
SPOOL VALVE BLOCK
JOYSTICK
CONTROL VALVE
REAR AXLE
STEERING VALVE
SERVICE BRAKE
STEERING UNIT
FRONT AXLE
HYDROSTATIC MOTOR
HYDRAULIC FILTER
OIL COOLER
COOLING MOTOR
HYDROSTATIC PUMP
GEAR PUMP
C1 C2 C3 C4
C10
C8
C9
C7 C6 C5
1
A B
DRAIN
BLOCK
A
T
A
T
A1B1
b
a
a
A2B2
b
A3B3A4B4
Y
pstM
T1
P
LS
T
TELESCOPIC
CYLINDER
SPOOL
AUXILIARY
SPOOL
TILT
CYLINDER
SPOOL
BOOM
CYLINDER
SPOOL
B
T
B
T
;
n
M2
M1
N
M3 M4 L2
A
XA
XB
BL1
MAX.
DISP.
M5
RESERVOIR
ACCUMULATOR
T
P
A
B
AUXILIARY
PRESSURE
RELEASE VALVE
A
B
P T V
A
B
T
a
b
0
P
FRAME LEVELLING CYLINDER
FRAME LEVELLING HYDRAULIC BLOCK
A
B
HYDROSTATIC
BY-PASS
VALVE
PERKINS 1104C-44T
MAX 2400 RPM
74.5 kW @ 2200 RPM
412 Nm @ 1400 RPM
MIN 800 PRM
B
C
A
C1C2
AC
C
V1
V2
4/1
BOOM
CYLINDER
QUICK
COUPLERS
EV51
BUCKET PINS
SECONDARY AUX.
VALVE (OPTIONAL)
C2
C3
C1
C4
(PRINTED AUGUST 2006)
V-0827
HYDRAULIC SCHEMATIC
With Frame Leveling
V723 (S/N 368012001 AND ABOVE)
(S/N 368112001 AND ABOVE)
V-0827 (8-7-06)
1
29
2
3
4
5
47
54
55
53
53
52
51
49
48
50
43
38
41
40
39
42
37
36
36
35
34
33
31
32
46
45
17
16
18
12
11
14
13
15
9
10
8
28
6
7
44
44
19
19
20
21
22
19
23
19
24
24
24
24
26
27
25
30
MS
ACCUMULATOR
CHARGING
VALVE
PASSIVE BRAKE AND
PASSIVE BRAKE VALVE
8 of 8
Dealer Copy -- Not for Resale