435 Hydraulic Schematic v-0686legend-2

Posted in 435
435 HYDRAULIC/HYDROSTATIC SCHEMATIC
S/N 563211001 AND ABOVE
(PRINTED NOVEMBER 2007)
V-0686legend
HYDRAULIC FILTER ELEMENT
15 Micron
FILTER BY-PASS 50 PSI (3.44 bar)
HYDRAULIC RESERVOIR: Pressurized
with Fill Strainer
Reservoir Capacity . .38.8 qt. (29.9 L)
1
PRESSURIZED BREATHER/FILL CAP
with FILTER:
5 PSI (3.4 bar) - Outlet
0.435 PSI (0.3 bar) - Inlet
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3
4
15
19
5
20
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: 5076 PSI (350 bar)
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RELIEF VALVE - CHARGE:
160 degrees F. (71 degrees C.) Fluid
220 PSI (15.2 bar) at 2500 Engine RPM
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HYDRAULIC FILTER - with By-Pass
Element - 40 Micron
By-Pass - 40 PSI (2.75 bar)
LEGEND
SHUTTLE VALVE - 2 Speed (2)
BRAKE - Travel Motor (2)
VALVE - 2 -Speed (2)
SHUTTLE VALVE - 2 Speed (2)
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Printed in U.S.A.
14
29
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TEST PORT - "G1" PORT - Pressure
Reducing Valve
COMPENSATOR - Standard (Blade, Bucket,
Arm, Boom, Offset & Auxiliary)
FAN PUMP / CHARGE PUMP
8.70 GPM (32,9 L/min.) at High 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)
HYDRAULIC PISTON PUMP . . . . . .
Maximum Displacement:
29.7 GPM (112.4 L/min.) at 2500 Engine RPM
Minimum Displacement:
5.0 GPM (19 L/min.) at 2500 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
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17
DISPLACEMENT CONTROL SPOOL
VARIABLE CAPACITY DISPLACEMENT
BIDIRECTIONAL HYDROSTATIC PUMP
18
RESTRICTOR - N/A inch (N/A mm)
LOAD SENSE RELIEF VALVE
3625 PSI (250 bar)
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SWITCH - Travel Pilot Pressure
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TEST PORT - "G" PORT - Fan Pump
Output
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FLUSHING VALVE: 360 PSI (24,8 bar)
LOAD SENSE BLEED CARTRIDGE:
0.185 GPM (0,70 L/min)
COMPENSATOR - With Priority Slots (Slew)
1 of 2
Dealer Copy -- Not for Resale
RELIEF VALVE - SECOND AUXILIARY (2) -
(Optional): 1500 PSI (103 bar)
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V-0686legend (11-9-07)
NOTE: Unless otherwise specified
springs have NO significant
pressure value.
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CROSS PORT RELIEF VALVES - 2
STAGE (2): 2800 PSI (193 bar) at 2500
Engine RPM
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LOAD CHECK VALVE
PORT RELIEF VALVE - (Auxiliary
Pressure Port: 3000 PSI (207 bar)
LOAD CHECK - (Two per Section - 14
Total - Only 7 Shown)
PILOT ACTIVATED DIRECTIONAL
CONTROL VALVE - Second Auxiliary
56
SHUTTLE RELIEF:
N/A PSI (N/A bar) With
N/A inch (N/A mm) restrictors
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RESTRICTOR - 0.108 inch (2,7 mm)
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RESTRICTOR - 0.083 inch (2,1 mm)
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BUILD-UP VALVE: 105 PSI (7,2 bar)
PORT RELIEF VALVE (With Anti-
Cavitation Valve) - (Auxiliary Return Port:
3000 PSI (207 bar)
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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
FLUSHING ORIFICE - 0.055 inch (1,4 mm)
RESTRICTOR - Brake Activation:
0.029 inch (0,74 mm)
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DIAGNOSTIC PORT - Build-Up Valve
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DIAGNOSTIC PORT - Load Sense
DIAGNOSTIC PORT
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RETURN PORT - Capped
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DIAGNOSTIC PORT - Travel Control
Servo Pressure
55
DRIVE MOTOR SHUTTLE - With N/A inch
(N/A mm) restrictors (2)
60
TORQUE LIMITER SUPPLY SPOOL -
290 PSI (20 bar)
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TORQUE LIMITER
PUMP MARGIN SPOOL -
220 PSI (15,2 bar)
63
DESTROKE PISTON
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TWO STAGE PILOT SPOOL:
250 PSI (17,2 bar)
ANTI-CAVITATION VALVE (2)
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SHUTTLE - Dual Sequence Valve
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ORIFICE, Brake - 0.030 inch (0,76 mm)
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BRAKE RELEASE SPOOL: 80 PSI (5,5 bar)
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PORT RELIEF VALVE (With Anti-Cavitation
Valve) - (Boom Cylinder) 4200 PSI (290 bar)
PORT RELIEF VALVE (With Anti-Cavitation
Valve) - (Boom Cylinder) 4200 PSI (290 bar)
PORT RELIEF VALVE (With Anti-Cavitation
Valve) - (ARM Cylinder) 4200 PSI (290 bar)
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PORT RELIEF VALVE (With Anti-Cavitation Valve)
- (ARM Cylinder) 4200 PSI (290 bar)
PORT RELIEF VALVE (With Anti-Cavitation Valve) -
(BUCKET Cylinder) 4200 PSI (290 bar)
PORT RELIEF VALVE (With Anti-Cavitation Valve)
- (BUCKET Cylinder) 4200 PSI (290 bar)
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PORT RELIEF VALVE (With Anti-Cavitation Valve) -
(BLADE Cylinder) 3770 PSI (260 bar)
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MINIMUM PUMP DISPLACEMENT
ADJUSTMENT - 5.0 GPM (19 L/min)
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SOLENOID ACTIVATED DIRECTIONAL
CONTROL VALVE (TWO Coil)
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CHECK VALVE 80 PSI (5,5 bar)
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CHECK VALVE- Load Sense
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ORIFICE 0.025 in. (0,64 mm)
81
FILTER – Hydraulic X-Change Valve
435 HYDRAULIC/HYDROSTATIC SCHEMATIC
S/N 563211001 AND ABOVE
(PRINTED NOVEMBER 2007)
V-0686legend
LEGEND
2 of 2
Dealer Copy -- Not for Resale