430 Hydraulic Schematic v-0314legend-2

Posted in 430
430 HYDRAULIC/HYDROSTATIC SCHEMATIC
S/N 562511001 AND ABOVE
S/N 562711001 AND ABOVE
(PRINTED JANUARY 2005)
V-0314legend
HYDRAULIC FILTER ELEMENT
15 Micron
FILTER BY-PASS 50 PSI (3.44 Bar)
HYDRAULIC RESERVOIR: Pressurized
with Fill Strainer
Reservoir Capacity . .38.8 Qts. (36.7 L)
1
PRESSURIZED BREATHER/FILL CAP
with FILTER:
5 PSI (3.4 Bar) - Outlet
0.435 PSI (0.3 Bar) - Inlet
2
3
4
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5
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SHUTTLE VALVE (3)
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VALVE - Travel Motor Brake Release
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PRESSURE REDUCING VALVE
435 PSI (30 Bar)
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SOLENOID ACTIVATED DIRECTIONAL
CONTROL VALVE - Travel Pilot Pressure
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RELIEF/REPLENISHING VALVE - HIGH
PRESSURE: 4640 PSI (320 Bar)
27
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RELIEF VALVE - CHARGE:
160 degrees F. (71 degrees C.) Fluid
220 PSI (15.2 kPa) at 2600 Engine RPM
HYDRAULIC FILTER - with By-Pass
Element - 40 Micron
By-Pass - 40 PSI (2.75 Bar)
LEGEND
FLOATING ORIFICE
BRAKE - Travel Motor (2)
VALVE - 2 -Speed (2)
SHUTTLE VALVE - 2 Speed (2)
6
7
8
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10
1
12
13
Printed in U.S.A.
14
29
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TEST PORT - "G1" PORT - Pressure
Reducing Valve
FAN PUMP / CHARGE PUMP
8.35 GPM (31,6 L/min.) at 2600 Engine RPM
CHECK VALVE - ANTI CAVITATION
RELIEF VALVE - FAN MOTOR:
160 degrees F. (71 degrees C.) Fluid
2050 PSI (141 Bar)
RESTRICTOR - N/A inch (N/A mm)
DISPLACEMENT CONTROL SPOOL
VARIABLE CAPACITY DISPLACEMENT
BIDIRECTIONAL HYDROSTATIC PUMP
RESTRICTOR - N/A inch (N/A mm)
HYDRAULIC PUMP . . . . . . Triple Section -
Variable Displacement Piston Pump
Section P1 & P2:
7.6 GPM (28,8 L/min.) at 2600 Engine RPM
Gear Pump Section P3:
8.8 GPM (33,3 L/min.) at 2600 Engine RPM
SOLENOID ACTIVATED DIRECTIONAL
CONTROL VALVE - Work group Lockout
SOLENOID ACTIVATED DIRECTIONAL
CONTROL VALVE - Two Speed
SOLENOID ACTIVATED DIRECTIONAL
CONTROL VALVE - Male Coupler
SOLENOID ACTIVATED DIRECTIONAL
CONTROL VALVE - Female Coupler
ACCUMULATOR
TEST PORT - "C1" PORT - Travel Pilot
Pressure
1 of 2
Dealer Copy -- Not for Resale
RELIEF VALVE (Front):
2550 PSI (176 Bar) at test port
at 2600 engine RPM
RELIEF VALVE - SECOND AUXILIARY (2) -
(Optional): 1500 PSI (103 BAR)
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V-0314legend (1-13-05)
NOTE: Unless otherwise specified
springs have NO significant
pressure value.
41
SWING MOTOR CROSS PORT RELIEF
VALVES (2): 2430 PSI (168 Bar) at 2600
Engine RPM
42
43
44
LOAD CHECK VALVE
CHECK VALVE - Boost Pressure
LOAD CHECK VALVE (2)
31
32
SWITCH - Travel Pilot Pressure
33
TEST PORT - "G" PORT - Fan Pump
Output
50
RELIEF VALVE - PORT (2):
3350 PSI (230 Bar)
RELIEF VALVE - PORT (3):
2900 PSI (200 Bar)
RELIEF VALVE - PORT (1):
2320 PSI 160 Bar)
RELIEF VALVE (Middle):
2650 PSI (183 Bar) at test port
at 2600 engine RPM
51
RELIEF VALVE (Rear):
3850 PSI (265 Bar) at test port
at 2600 engine RPM
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PILOT ACTIVATED DIRECTIONAL
CONTROL VALVE - Second Auxiliary
50
TEST PORT - "P1" PORT
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52
45
46
47
48
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RESTRICTOR - 0.012 inch (0,3 mm)
PILOT ACTIVATED DIRECTIONAL
CONTROL VALVE - Second Auxiliary
SOLENOID ACTIVATED DIRECTIONAL
CONTROL VALVE - Second Auxiliary
RESTRICTOR - Brake Activation:
0.03 inch (0,75 mm)
TEST PORT - "P3" PORT
TEST PORT - "P2" PORT (If Equipped)
53
RESTRICTOR - Flushing: 0.063
inch (1,6 mm)
54
TEST PORT - Travel Control Servo
Pressure
55
DRIVE MOTOR SHUTTLE - With N/A inch
(N/A mm) restrictors (2)
56
SHUTTLE RELIEF:
N/A PSI (N/A Bar) With
N/A inch (N/A mm) restrictors (2)
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RESTRICTOR - 0.107 inch (2,7 mm)
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RESTRICTOR - 0.082 inch (2,1 mm)
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RELIEF VALVE - PORT (3):
3915 PSI (270 Bar)
RESTRICTOR - 0.012 inch (0,3 mm)
FLUSHING ORIFICE - 0.055 (1,4 mm)
60
430 HYDRAULIC/HYDROSTATIC SCHEMATIC
S/N 562511001 AND ABOVE
S/N 562711001 AND ABOVE
(PRINTED JANUARY 2005)
V-0314legend
LEGEND
2 of 2
Dealer Copy -- Not for Resale