430 Hydraulic Schematic v-0890legend-2

Posted in 430
430 HYDRAULIC/HYDROSTATIC SCHEMATIC
S/N 563012776 AND ABOVE
(PRINTED MARCH 2007)
V-0890legend
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
15
16
17
18
19
MAIN RELIEF VALVE:
3480 PSI (240 Bar) at test port
at High Engine Idle
5
20
SHUTTLE VALVE (3)
21
VALVE - Travel Motor Brake Release
22
PRESSURE REDUCING VALVE
435 PSI (30 Bar)
23
24
SOLENOID ACTIVATED DIRECTIONAL
CONTROL VALVE - Travel Pilot Pressure
25
26
RELIEF/REPLENISHING VALVE - HIGH
PRESSURE: 5076 PSI (350 Bar)
27
28
RELIEF VALVE - CHARGE:
160 degrees F. (71 degrees C.) Fluid
220 PSI (15.2 kPa) at High Engine Idle
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
9
10
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12
13
Printed in U.S.A.
14
29
30
TEST PORT - "G1" PORT - Pressure
Reducing Valve
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
BI-DIRECTIONAL HYDROSTATIC PUMP
RESTRICTOR - N/A inch (N/A mm)
HYDRAULIC PUMP . . . . . . Triple Section -
Variable Displacement Piston Pump
Section P1 & P2:
10.1 GPM (38,2 L/min.) at High Engine Idle
Gear Pump Section P3: (Fan Pump/Charge Pump)
7.7 GPM (29,0 L/min.) at High Engine Idle
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
31
32
SWITCH - Travel Pilot Pressure
33
TEST PORT - "G" PORT - Fan Pump
Output
60
SHUTTLE ORIFICE - 0.031 inch (0,79 mm)
1 of 2
Dealer Copy -- Not for Resale
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V-0890legend (3-13-07)
NOTE: Unless otherwise specified
springs have NO significant
pressure value.
41
SWING MOTOR CROSS PORT RELIEF
VALVES (2): 2125 PSI (147 Bar) at High
Engine Idle
42
43
44
LOAD CHECK VALVE
LOAD SENSE BLEED VALVE
LOAD CHECK VALVE (2)
RELIEF VALVE:
218 PSI (15 Bar)
RELIEF VALVE - PORT (2):
2610 PSI (180 Bar)
RELIEF VALVE - PORT (1):
3915 PSI (270 Bar)
PILOT ACTIVATED DIRECTIONAL
CONTROL VALVE - Second Auxiliary
50
TEST PORT - System Pressure
51
52
45
46
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48
49
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)
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) restrictor
57
RESTRICTOR - 0.108 inch (2,7 mm)
58
RESTRICTOR - 0.083 inch (2,1 mm)
59
RELIEF VALVE - SECONDARY AUXILIARY (1):
1500 PSI (103 Bar)
SHUTTLE ORIFICE - 0.022 inch (0,56 mm)
RELIEF VALVE - PORT (2):
3915 PSI (270 Bar)
RELIEF VALVE - PORT (2):
3625 PSI (250 Bar)
RELIEF VALVE - PORT (2):
3915 PSI (270 Bar)
COMPENSATOR
LOAD CHECK VALVE
60
RESTRICTOR - 0.012 inch (0,3 mm)
FLUSHING ORIFICE - 0.055 (1,4 mm)
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64
65
66
CHECK VALVE 80 PSI (5,5 bar)
CHECK VALVE – Load Sense
ORIFICE - 0.025 inch (0,64 mm)
FILTER – Hydraulic X-Change Valve
SOLENOID ACTIVATED DIRECTIONAL
CONTROL VALVE (TWO COIL)
430 HYDRAULIC/HYDROSTATIC SCHEMATIC
S/N 563012776 AND ABOVE
(PRINTED MARCH 2007)
V-0890legend
LEGEND
2 of 2
Dealer Copy -- Not for Resale