tl470 Hydraulic Schematic TL470 – V-1440legend-30kph – 2

SPRING LOADED FILTER BYPASS
VALVE – 3,4 Bar (49 psi)
RESERVOIR:
Reservoir Capacity 51 L (53.9 qt)
1
FILTER - Hydraulic
2
3
4
15
16
HYDRAULIC PUMP - Gear type
100 Lpm (26.4 gpm @ High Engine Idle
18
19
5
20
21
ANTICAVITATION/WORK PORT RELIEF
VALVE – Telescopic Cylinder Base End:
280 Bar (4061 psi)
22
ANTICAVITATION/WORK PORT RELIEF
VALVE – Telescopic Cylinder Rod End:
280 Bar (4061 psi)
23
24
25
26
27
28
RELIEF VALVE – Charge:
22 - 25 Bar (152 - 172 psi) @ low engine idle
27 - 30 Bar (186 - 207 psi) @ high engine idle
RELIEF/REPLENISHING VALVE - HIGH
PRESSURE (2) - 420 Bar (6092 psi)
6
7
8
9
10
11
12
13
Printed in Belgium
14
CHARGE PUMP
38 Lpm (10.0 gpm) @ High Engine Idle
29
30
31
32
ANTICAVITATION/WORK PORT RELIEF
VALVE – Boom Cylinder Base End:
280 Bar (4061 psi)
SHUTTLE VALVE - Drain
33
FILTER – Hydraulic Charge
COLD START CHECK VALVE – With
3,0 Bar (43 psi) Spring
HYDRAULIC PUMP - Gear type
38 Lpm (10.0 gpm @ High Engine Idle
PRIORTITY VALVE – Implement / Steering
PRIORTITY VALVE – Fan / Brake
TRANSMISSION PUMP
175 Lpm (46.2 gpm) @ High Engine Idle
SOLENOID ACTIVATED DIRECTIONAL
CONTROL VALVE – Drive Dump Valve
SERVO PRESSURE SENSOR - Forward
SPRING LOADED FILTER BYPASS
VALVE – 7 Bar (101 psi)
FLUSHING VALVE: 14 Bar (203 psi)
LOAD SENSE RELIEF VALVE:
250 - 260 Bar (3626 – 3771 psi )
LOAD SENSE DUMP VALVE
ANTICAVITATION/WORK PORT RELIEF
VALVE – Boom Cylinder Rod End:
280 Bar (4061 psi)
ANTICAVITATION/WORK PORT RELIEF
VALVE – Tilt Cylinder Base End:
280 Bar (4061 psi)
ANTICAVITATION/WORK PORT RELIEF
VALVE – Tilt Cylinder Rod End:
280 Bar (4061 psi)
SELF LEVELING CYLINDER LOCK VALVE:
250 Bar (3626 psi )
BOOM CYLINDER LOCK VALVE:
380 Bar (5511 psi )
TILT CYLINDER LOCK VALVE:
280 Bar (4061 psi )
TELESCOPIC CYLINDER LOCK VALVE:
280 Bar (4061 psi )
17
TEST PORT – Charge Pressure
DISPLACEMENT CONTROL VALVE:
with Low Speed Solenoid
RELIEF VALVE
34
SHUTTLE VALVE – Drive Pressure
(Printed MARCH 2011)
V-1440legend
LEGEND
HYDRAULIC/HYDROSTATIC SCHEMATIC
TL470 (S/N ANL711001 AND ABOVE)
1 of 2
Dealer Copy -- Not for Resale
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40
V-1440le (2-15-11)
NOTE: Unless otherwise specified
springs have NO significant
pressure value.
PARK BRAKE PRESSURE SWITCH:
100 Bar (1450 psi)
SPRING APPLIED PRESSURE RELEASE
(SAPR) – Park brake: Minumum Release
Pressure 100 Bar (1450 psi)
41
42
RELIEF VALVE – Steering:
175 Bar (2538 psi)
43
44
45
PRESSURE REDUCING VALVE – Park
Brake: 120 Bar (1740 psi)
RELIEF VALVE – Brake Pressure:
120 Bar (1740 psi)
46
47
48
49
50
51
ACCUMULATOR (With Tractor Option
Only): 80 Bar (1160 psi)
SERVO PISTON - Swash Plate
SPEED SENSOR - Driveshaft
PRESSURE REDUCING VALVE – Service
Brake: 40 Bar (580 psi)
CHECK VALVE – Park Brake
SOLENOID ACTIVATED DIRECTIONAL
CONTROL VALVE – Steering Mode
SOLENOID ACTIVATED DIRECTIONAL
CONTROL VALVE – Gear Box
RELIEF VALVE – Steering:
235 Bar (3408 psi)
ANTICAVITATION / RELIEF VALVE –
Fan Motor: 175 Bar (2538 psi)
PILOT ACTIVATED CONTROL VALVE –
Fan Motor Reverse Portection (If
Equipped)
SOLENOID ACTIVATED DIRECTIONAL
CONTROL VALVE – Fan Reverse (If
Equipped)
TEST PORT – Main Relief Pressure
HYDRAULIC/HYDROSTATIC SCHEMATIC
TL470 (S/N ANL711001 AND ABOVE)
(Printed MARCH 2011)
V-1440legend
LEGEND
2 of 2
Dealer Copy -- Not for Resale