Download - Hidraulico 135H CBC
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7/30/2019 Hidraulico 135H CBC
1/2
RENR4162-0
2
30Page
RENR4162-02July2005
120H and 135H Motor GraderHydraulic System
120H:1241-UPCAF1-UPALZ1-UP
135H:CBC1-UPAMX1-UP
2005Caterpillar
AllRightsReserved
PrintedinU.S.A.
16
Combination Valve
Hydraulic & Steering System
CC
BB
Implement SupplyLines
ImplementDrain Lines Implement
Supply Lines
ImplementSignal Lines
Steering PumpSupply
ONE POSITION TWOPOSITION THREE POSITION
V EN TE D P RE SS UR IZ ED R ET UR N AB OV E FL UI DL EV EL R ET UR N BE LO WF LU ID LE VE L
LINES CROSSING LINES JOINING
TWO-WAY THREE-WAY FOUR-WAY
S P RI N G C ON T RO L VA LV E S RESTRICTION LINE RESTRICTION
(FIXED)
2-SECTIONPUMP
MAIN AUX.
SPRING
(ADJUSTABLE)
VARIABILITY LINE RESTRICTION
(VARIABLE)
LINE RESTRICTIONVARIABLE andPRESSURE
COMPENSATED
PRESSURE
COMPENSATION
PUMP:VARIABLE and
PRESSURE COMPENSATED
ENERGY TRIANGLES
HYDRAUL IC PNEUMA TIC
MEASUREMENT
PRESSURE TEMPERATURE FLOW
ROTATING SHAFTS
UNIDIRECTIONAL BIDIRECTIONAL
PUSH-PULL LEVER PEDALGENERAL MANUAL PUSH BUTTON SPRING
MANUAL CONTROL SYMBOLS
HYDRAULICMOTORS
FIXED
DISPLACEMENTVARIABLE DISPLACEMENT
NON-COMPENSATED
UNIDIRECTIONAL
BIDIRECTIONAL
HYDRAULICPUMPS
FLUIDSTORAGE RESERVOIRS
CROSSING ANDJOINING LINES
VALVE ENVELOPES VALVE PORTS
BASICCOMPONENT SYMBOLS
FLUIDCONDITIONERPUMP orMOTOR
FLUID POWER SYMBOLS
FIXED
DISPLACEMENT
VARIABLE DISPLACEMENT
NON-COMPENSATED
UNIDIRECTIONAL
BIDIRECTIONAL
VALVES
PILOT CONTROL SYMBOLSRELEASEDPRESSURE
EXTERNALRETURN INTERNALRETURN
REMOTE SUPPLY PRESSURE
SIMPLIFIED COMPLETE INTERNAL
SUPPLY PRESSURE
ACCUMULATORS
SPRING LOADED GAS CHARGED
SOLENOIDorMANUAL
SOLENOIDandPILOT
SOLENOIDandPILOTorMANUAL
COMBINATIONCONTROLS
SOLENOID SERVO THERMAL DETENT
HYDRAULICANDPNEUMATICCYLINDERS
DOUBLE ACTINGSINGLE ACTING
BASICSYMBOL
SPRINGLOADED
CHECK VALVES
TWO
POSITION
INFINITEPOSITIONING
FLOWINONEDIRECTION
FLOWALLOWEDINEITHER DIRECTION
THREEPOSITION
CROSSFLOW
PARALLELFLOW
INTERNAL PASSAGEWAYS
NORMALPOSITION
AB
PT
AB
PT
SHIFTEDPOSIT ION INFINITE POSITION
CONTROL VALVES
ATTACHMENT
MANUALSHUTOFF
SHUTTLE PILOTCONTROLLED
Hydraulic Symbols (Electrical)
Electrical Symbols Table
325-AG135PK-14
CircuitIdentificationNumber
WireColor WireGauge
HarnessidentificationcodeThisexampleindicateswire135inharness"AG".
325-PK-14
WireGauge
WireColor
CircuitNumber
Identification
Wire Number Identification Codes
CurrentStandard
Previous Standard
Electrical Schematic Example Hydraulic Schematic Example
325-PK
WireColorCircuitNumber
Identification
B A
Wire
Wire
(EXAMPLE VALVE)
CurrentStandard
Transducer(Fluid)
Transducer(Gas /Air)
G
Generator
ElectricalWirePressureS witch
MElectricMotor
PressureSwitch(Adjustable)
TemperatureSwitch
T
PressureSymbol
TemperatureSymbol
LevelSymbol
FlowSymbol
Electrical Symbols (Electrical)
DescriptionPart
Number
Machine
Location
Schematic
Location
Accumulator Gp -Blade Cushion 162-7450 1 E -9, E-2
Accumulator Gp - Steering 248-6251 2 B-4
Cylinder Gp - Articulation 198-8305 3 E-4
Cylinder Gp - Blade Lift 132-4926 4 E-9, E-1
Cylinder Gp - Blade Tip 131-7191 5 F-7
Cylinder Gp - Center Shift 262-1908 6 E-3
Cylinder Gp - Side Shift 112-5575 7 F-8
Cylinder Gp - Steering (LH) 130-9041 8 F-6
Cylinder Gp - Steering (RH) 130-9042 9 F-5
Cylinder Gp - Wheel Lean 121-9242 10 D-2
Motor Gp - Circle Drive 105-3196 11 E-7
Motor Gp - Hydraulic Fan 224-7040 12 B-3
Pump Gp - Hyd Fan 169-4883 13 B-7
Pump Gp - Imp / Steer 200-1934 14 A-6
Pump Gp - Metering 222-3769 15 D-5
Pump Gp -Secondary Steering 123-8867 16 A-4
Switch Gp -Fan Drive Pressure 167-1709 17 A-4
Switch Gp -Sec Steer Pressure 3E-6450 18 A-5
Swivel Gp 260-6502 19 E-8
TankGp-HydraulicOil 207-2410 20 B-9
Valve Gp - Bank 4- LH Control 6E-3038 21 D-9
Valve Gp - Bank 4- RH Control 6E-3032 22 C-3
Va lve Gp - Bla de Cus hio nS ole noid 253-1320 23 E -9, E- 2
Valve Gp - Check (Fan Drive) 175-0447 24 B-4
Valve Gp - Check (Sec Steer) 9T-1013 25 A-5
Valve Gp - Check (Sec Steer) 9T-6146 26 C-5
Valve Gp - Combination 9T-5957 27 B-5
Valve Gp - Fan Speed Sol 191-5292 28 B-8
Valve Gp - Relief (Sec Steer) 9T-8071 29 A-5
Valve Gp - Shuttle 131-0753 30 C-6
Cylinder Gp - Ripper 6E-4724 37 I-6
Cylinder Gp - Scarifier 112-5575 31 I-5
107-0547
130-3111
Valve Gp - PlowAngle 115-1007 33 H-3
119-9550
107-0545
107-0543
119-9549
Valve Gp - Snow Wing Lift 137-8106 35 H-8
Valve Gp - SnowWing Tilt 137-8104 36 H-7
Valve Gp -Accugrade Sol 239-9894 41 H-11, H-12
Component Locations
Attachments
H-432ValveGp-P low/Dozer
AccugradeAtt achments
Valve Gp - Ripper 38 H-6
Valve Gp - Scarifier 34 H-11
8
10
9
11
19
4
6
7
22
33
32
41
13
25
14 30
3
26
29
12 31
17
37
24
3
16
20
2 18 27
1 23
1 23
4
5
15
28
21 34 35 36
38 39 40 41
AA
28
Tap
NumberDescription
Schematic
Location
BB C-7
B-8
B-5
Implement&SteeringLoad SensingSignalPress ure
Tap Locations
Pressure, Sampling, and Sensor
C C P um pS up pl y Pr es su re ( Imp le me nt / S te er in g)
AA Pump OutputPressure (Fan)
VIEW OF AREA A
Hydraulic Fan Drive System
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7/30/2019 Hidraulico 135H CBC
2/2
RENR4162-0
2
30Page,
Color2
HYDRAULIC CIRCUIT COLOR DESCRIPTIONS
Implement&S teeringPump Output.
SecondarySteering PumpOutput.
SteeringMetering PumpOutput andCylinderCircuit.
SnowWingLiftandTiltCylinderCircuits.
SupplyLine.
Drain/ReturnLine.
ScarifierandRipperCylinderCircuits.
SignalLine
BladeTipCylinderCircuit.
HydraulicFanPumpOutput.
Steering(Circle Drive)Control Circuit.
SideShiftCylinderCircuit.
BladeLift CylinderCircuits.ArticulationCylinder Circuit.
CenterShift CylinderCircuit.
WheelLeanCylinderCircuit.
Plow/DozerLiftandTiltCylinderCircuits.
A
B
C
D
E
F
G
H
I
123456789101112
123456789101112
A
B
C
D
E
F
G
H
I
13
13
120H & 135HIMPLEMENT/STEERING/FAN DRIVE CIRCUIT
ATTACHMENTSACCUGRADE ATTACHMENTS
LEFT HAND RIGHT HANDLEFT HAND RIGHT HAND
MULTIPLE ATTACHMENT COMBINATIONS SHOWN
THIS SCHEMATIC IS FOR THE 120H &135H MOTOR GRADER
PART #:172-9344CH05 (120H)
PART #:172-9347CH05 (135H)
Componentsareshown installedona fullyoperablemachinewith thekeyand engineoffandtransmissions hifterinneutral.
Referto theappropriateService ManualforTroubleshooting,Specifications andSystemsOperations
BLADE LIFT(RIGHT)
BLADE LIFT(LEFT)
BLADE LIFT(LEFT)
BLADE LIFT(RIGHT)
KJHGF
EDCBA
E
DCBA
KJHGF
E
DCBA
K
JHGF
RIPPER SCARIFIER
ARTICULATION CENTER SHIFT WHEEL LEAN BLADE LIFTBLADE LIFT SIDE SHIFT CIRCLE DRIVE BLADE TIP
S NO W WI NG L IF T (H EE L) S NO W WI NG T IL T (T OE ) PLOW/DOZER PLOW ANGLE
CYLINDER GPSCARIFIER112-5575
CYLINDER GPRIPPER6E-4724
VALVE GPSCARIFIER107-0543119-9549
VALVE GPRIPPER107-0545119-9550
VALVE GPSNOW WING TILT137-8104
VALVE GPSNOW WINGLIFT137-8106
VALVE GP
PLOW/DOZER107-0547
130-3111
VALVE GP
PLOW ANGLE115-1007
TANK GPHYDRAULIC OIL207-2410
PUMP GPHYD FAN169-4883
PUMP GPIMP/STEER200-1934
VALVE GPFAN SPEED SOL191-5292
VALVE GPRELIEF(SEC STEER)9T-8071
VALVE GPCHECK(SEC STEER)9T-1013
PUMP GPSECONDARYSTEERING123-8867
VALVE GPCHECK(FAN DRIVE)175-0447
ACCUMULATOR GPSTEERING248-6251
VALVE GPCOMBINATION9T-5957
VALVE GPCHECK(SEC STEER)9T6146
VALVE GPBANK 4LH CONTROL6E-3038
MOTOR GPCIRCLE DRIVE105-3196
SWIVEL GP260-6502
CYLINDER GPBLADE TIP131-7191
CYLINDER GPSIDE SHIFT112-5575
CYLINDER GPBLADE LIFT1324926VALVE GP
BLADE CUSHIONSOLENOID253-1320
VALVE GPBLADE CUSHIONSOLENOID253-1320
ACCUMULATOR GPBLADE CUSHION162-7450
CYLINDER GPBLADE LIFT262-1889
CYLINDER GPSTEERING (LH)130-9041
CYLINDER GPSTEERING (RH)130-9042
CYLINDER GPCENTER SHIFT262-1908
CYLINDER GPARTICULATION198-8305
CYLINDER GPWHEEL LEAN121-9242
VALVE GPBANK 4RH CONTROL6E-3032
PUMP GPMETERING222-3769
MOTOR GPHYDRAULIC FAN224-7040
VALVE GPSHUTTLE131-0753
CC
BB
AA
LINE PATTERNS
Drain/ ReturnLines
ComponentGroup
Pilot/LoadSensingPressure
PressureLine
Attachment
AirLine
CALLOUTS
Taps(Pressure, Sampling,Sensor)byletter
Components bynumber
YY
52
ACCUMULATOR GPBLADE CUSHION162-7450
SWITCH GPFAN DRIVEPRESSURE167-1709
SWITCH GPSEC STEERPRESSURE3E-6450
K
J
HGF
E
D
CBA
VALVE GP
ACCUGRADE SOL
239-9894
VALVE GP
ACCUGRADE SOL
239-9894