HYDRAULIC/HYDROSTATIC SCHEMATIC

T40140 (S/N B1CT11001 AND ABOVE)

(S/N B33H11001 AND ABOVE)
T40180 (S/N B33G11001 AND ABOVE)
(S/N B33J11001 AND ABOVE)
(S/N B33W11001 AND ABOVE)
(Printed DECEMBER 2013)
7158115(C)legend

LEGEND
HOLDING VALVE – Stabilizer - Base: 73 ANTICAVITATION/WORK PORT RELIEF VALVE
1 HYDROSTATIC PUMP: Variable 23 PROPORTIONAL RELIEF VALVE – Fan 48
Reverse (If Equipped) 28000 kPa (280 bar) (4061 psi) – Tilt In: 21000 kPa (210 bar) (3046 psi)
Displacement 78 ccm / rev (4.75 ci / rev)
HOLDING VALVE – Stabilizer - Rod: 74 ANTICAVITATION/WORK PORT RELIEF VALVE
2 CHARGE PUMP; Gear Type 17 ccm / rev 24 SOLENOID ACTIVATED CONTROL VALVE – 49
– Tilt Out: 21000 kPa (210 bar) (3046 psi)
Fan Motor Reverse Portection (If Equipped) 4000 kPa (40 bar) (580 psi)
(1.03 ci / rev)
50 PRESSURE SENSER – Stabilizer – Base (2) 75 CHECK VALVE
3 RELIEF VALVE – Charge: 25 FAN MOTOR; Gear Type: 14,5 ccm / rev
(0.88 ci / rev) 51 SOLENOID ACTIVATED DIRECTIONAL 76 AUXILIARY SECTION – Control Valve
3000 kPa (30 bar) (435 psi) @ High engine idle
26 CHECK VALVE; Service Brake: CONTROL VALVE – Right Stabilizer
4 SERVO PISTON – Swash Plate 77 SHUTTLE VALVE – Auxiliary Section
30 kPa (0,3 bar) (4.5 psi) 52 SOLENOID ACTIVATED DIRECTIONAL
5 RELIEF/REPLENISHING VALVE - HIGH 27 SOLENOID ACTIVATED DIRECTIONAL CONTROL VALVE – LS Unload Valve 78 AUXILIARY SPOOL PILOT
PRESSURE (2) - 45000 kPa (450 Bar) (6527 psi) CONTROL VALVE – Steering Mode 53 SOLENOID ACTIVATED DIRECTIONAL
CONTROL VALVE – Left Stabilizer 79 CHECK VALVE
6 SOLENOID ACTIVATED DIRECTIONAL 28 STEERING GEROTOR – Safety Valve
CONTROL VALVE – Reverse 54 HAND PUMP – Emergency Lowering / 80 SHUTTLE VALVE – Frame Levelling Section
29 RELIEF VALVE – Steering (2): Retracting (If Equipped)
7 SOLENOID ACTIVATED DIRECTIONAL 23500 kPa (235 bar) (3408 psi) 81 FRAME LEVELLING SECTION – Control Valve
CONTROL VALVE – Forward 55 SOLENOID ACTIVATED DIRECTIONAL
30 RELIEF VALVE – Steering: CONTROL VALVE – Safety Valve 82 FRAME LEVELLING SPOOL PILOT
8 PRIORITY VALVE 17500 kPa (175 bar) (2538 psi)
56 RELIEF VALVE: 24000 kPa (240 bar)
31 ORIFICE: 6 mm (0.02 in) 83 PILOT UNLOADING REMOTE SEQUENCE VALVE
9 FAN PUMP; Gear Type (3481 psi) – tested at the “P” port
(If Equipped): 16000 kPa (160 bar) (2321 psi)
16,8 ccm / rev (1.02 ci / rev) 32 HYDROSTATIC PUMP: Variable Displacement 57 BY-PASS VALVE: 850 kPa (8,5 bar) (123 psi) 84 CHECK VALVE – Serice Brake (If Equipped):
10 IMPLEMENT PUMP; Gear Type 42 - 160 ccm / rev (2.56 – 9.76 ci / rev)
58 PILOT OIL SUPPLY VALVE: 1000 - 1500 kPa 40 kPa (0,4 bar) (5.8 psi)
44 ccm / rev (2.68 ci / rev) 33 SERVO PISTON
(10 - 15 bar) (145 - 218 psi) 85 PRESSURE SENSOR – Steering (If Equipped)
11 CHECK VALVE; Cold Start By-Pass:
34 SHUTTLE VALVE - Drain 59 ANTICAVITATION/WORK PORT RELIEF VALVE
300 kPa (3,0 bar) (43.5 psi) 86 PRESSURE SENSOR – Service Brake (If
12 PRESSURE SWITCH – Hydraulic Filter; – Boom Up: 26500 kPa (265 bar) (3844 psi) Equipped)
35 SOLENOID ACTIVATED DIRECTIONAL
200 kPa (2,0 bar) (29 psi) CONTROL VALVE – Safety Valve 60 BOOM SECTION – Control Valve
87 ACCUMULATOR – Service Brake (If Equipped):
13 FILTER – Hydraulic (10 micron) 36 FLUSHING VALVE: 15 L / min (3.96 gpm) 61 ANTICAVITATION VALVE– Boom Down) 0,5 L / min (0.13 gpm) 7200 kPa (72 bar) (1044 psi)
1600 kPa (16 bar) (232 psi) 88
14 SPRING LOADED FILTER BYPASS 62 PRESSURE COMPENSATOR – Boom Section: ORIFICE: 0,8 mm (0.3 in)
VALVE – 250 kPa (2,5 bar) (36 psi) 37 SOLENOID ACTIVATED DIRECTIONAL
750 kPa (7,5 bar) (109 psi) MANUALLY ACTIVATED DIRECTIONAL
CONTROL VALVE – Defeat Valve 89
15 CHECK VALVE; Back Pressure: 63 SHUTTLE VALVE – Boom Section CONTROL VALVE (If Equipped)
38 HOLDING VALVE – Frame Leveling - Base:
50 kPa (0,5 bar) (7.2 psi) 90 CHECK VALVE (2)
28000 kPa (280 bar) (4061 psi) 64 BOOM SPOOL PILOT
16 CHECK VALVE; Anticavitation
39 HOLDING VALVE – Frame Leveling - Rod: 91 SOLENOID ACTIVATED DIVERTER VALVE –
65 PRESSURE COMPENSATOR – Extension
17 RESERVOIR: 28000 kPa (280 bar) (4061 psi) Quick Tach / Front Auxiliary Couplers (If Equipped)
40 HOLDING VALVE – Extension - Base: Section: 750 kPa (7,5 bar) (109 psi)
Reservoir Capacity 75 L (19.8 U.S. gal)
25000 kPa (250 bar) (3626 psi) 66 EXTENSION SECTION – Control Valve 92 OIL COOLER
18 SERVICE BRAKE VALVE: 41
8000 kPa (80 bar) (1160 psi) HOLDING VALVE – Extension - Rod: 67 SHUTTLE VALVE – Extension Section 93 CHECK VALVE (If Equipped)
PARK BRAKE VALVE: 25000 kPa (250 bar) (3626 psi)
19 42 PILOT VALVE - Base
2700 kPa (27 bar) (391 psi) 68 EXTENSION SPOOL PILOT 94 FILTER - Mesh – 200 micron
20 ACCUMULATOR – Park Brake (If Equipped): 43 PILOT VALVE - Rod 69 PRESSURE COMPENSATOR – Tilt Section:
1,4 L (0.37 gal) 1500 kPa (15 bar) (218 psi) 750 kPa (7,5 bar) (109 psi)
44 HOLDING VALVE – Tilt:
21 CHECK VALVE; Anticavitation 21000 kPa (210 bar) (3046 psi) 70 TILT SECTION – Control Valve
22 RELIEF VALVE: (S/N B1CT11001 AND ABOVE, 45 HOLDING VALVE – Self Level: 71 SHUTTLE VALVE – Tilt Section
B33G11001 AND ABOVE & B33W11001 AND 25000 kPa (250 bar) (3626 psi) NOTE: Unless otherwise specified springs have NO
ABOVE); 17500 kPa (175 bar) (2538 psi) 46 HOLDING VALVE – Boom: 72 TILT SPOOL PILOT significant pressure value.
(S/N B33H11001 AND ABOVE & B33J11001 37500 kPa (375 bar) (5439 psi)
AND ABOVE); 20600 kPa (206 bar) (2988 psi) 47 ACCUMULATOR – Boom Holding Valve: 7158115(C)-legend (12-3-13)
Printed in Belgium 0,075 L (0.019 gal) 5000 kPa (50 bar) (725 psi)
 8 7 6 5 4 2 1
FRAME LEVELING CYLINDER

94

H H
38
39 HYDROSTATIC PUMP M4 M3

MAIN VALVE LX
12 MA

A CF EF
A
OIL
14 8
B5 80 FILTER 6
13 DIESEL ENGINE
15 75kW

81
B1 MIN - 900 RPM 1 2 LS
MAX - 2350 RPM
B2
A5 16
FEMALE COUPLER
79
17 5 9
MALE COUPLER
82 FRAME
OIL VOLUME 75 L
( MID GAUGE )
LEVELLING
IN
TANDEM 10
4 GEAR
PUMP

G OIL TANK 3
B
G
91
77 TEMP
7
B4
11
M5 S L1 L2 MB
76
QUICKTACH
CYLINDER
A4

75
AUXILIARY VALVE

78
25 24 23 22
TILT CYLINDER
AUX

IN

71
F F
92
B3
21
44 74 70 OIL COOLER
OUT
A3

69
73 D INVERSION FAN MOTOR

TILT
SELF
LEVELING
72
L1 MOTOR HYDROSTATIC
AXLE FRONT M5
VALVE
B
AXLE REAR
M4
45
RATIO 1:6
67
E B2
RATIO 1:6
E
RATIO
66 RATIO
1:2.13
RATIO
1:2.286
1:2.286
SELF LEVELING CYLINDER A2

EXTENSION CYLINDER 65
Vg min

41 40 EXT RATIO 1:6

RATIO 1:6
A

L2

32 33 34 35 36 37
B1 63
59
D 60 29
D
A1
L R
STEERING
64 61
62 UNIT

STEERING MODE
VALVE 27
BOOM

20
42 28
43 BOOM CYLINDER 4 1

18 SERVICE BRAKE
19
2 3
P
46 PARK BRAKE
47

C T
T
C
X
F P BLOCK CHECK 26
P VALVE
T
93

M LS MF T LS P
58
LS SHUT OFF
57 56 VALVE

STAB RIGHT CYLINDER

55
30 31

48
49
50
B P
B
HYDRAULIC SCHEMATIC
U

T To Tandem Gear
P LS 90 Pump “LS” Port
To Steering

T40140 (S/N B1CT11001 AND ABOVE)

B1 To Service Brake
51 “P” Port 84 Unit”P” Port

A1 85
83 LSP PB P
A B 89
DRAIN LINE P
U
(S/N B33H11001 AND ABOVE)
STAB LEFT CYLINDER
88
(SAME AS RIGHT CYLINDER)
52
WORKING CIRCUIT To Hydraulic Tank
D
S T40180 (S/N B33G11001 AND ABOVE)
49
48 50
B2
PILOT LINE LSS P
U
ACC
BLOCK
GERMAN
(S/N B33J11001 AND ABOVE)
87 86

A P
A2 53 MECHANICAL LINK To Steering Unit
“LS” Port
(S/N B33W11001 AND ABOVE) A
U

Printed in 54 GERMAN BRAKE OPTION

(PRINTED DECEMBER 2013)
P1 STABILIZERS T HAND PUMP

Brussels BLOCK EMERGENCY

7158115 (C)
8 7 6 5 4 3 2 1