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INTERACTIVE SCHEMATIC

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SchematicMachine Views

Component TableTap Table

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Electrical Symbols

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Tap Views

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Bookmarks X

EC-C3EC-C2 E-C60

EC-C1

E-C61

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Powertrain System793F Off-Highway Truck

SSP1-UP

©2009 Caterpillar, All Rights Reserved Printed in U.S.A.

KENR9592September 2009

2009 Caterpillar, All Rights Reserved©

COMPONENT TABLE

Description PartNumber

MachineLocation

SchematicLocation

Case As - Transmission 279-2543 1 A-3Core As - Oil Cooler, Transmission 336-9642 2 A-8Drive Gp - Lube 271-0163 3 C-7Filter - Oil, Advanced Efficiency. (Cooler Lines) 4T-6788 4 B-6Filter As - Oil, Transmission 294-2235 5 D-4Filter As - Torque Convertor Charging 294-2235 6 D-5Housing - Torque Convertor 279-2517 7 A-6Pump Gp - Torque Convertor, Transmission 306-4171 8 C-6Screen As - Suction, (Torque Convertor) 9P-9555 9 B-5Screen As - Suction, Transfer Pump Input 292-0072 10 A-4Screen Gp - Torque Convertor 187-3517 11 B-8Sensor Gp - Liquid Level, Transmission Oil 330-9321 12 B-7Sensor Gp - Temperature, Torque Convertor Oil 134-2252 13 E-8Sensor Gp - Temperature, Transmission Oil 134-2252 14 D-3Switch As - Press., T/C Filter Bypass 156-1382 15 E-5Switch As - Press.,Xmssn Chg Filter Bypass 156-1382 16 E-4Switch Gp - Bypass,Torque Convertor Screen 164-7577 17 B-8Torque Convertor Gp 279-2519 18 F-6Tube As 276-4815 19 B-6Valve Gp - Modulating, Torque Convertor LUC 244-3114 20 F-5Valve Gp - Modulating,Xmssn Hyd. Cntrl, Clutch 1 258-8987 21 F-1Valve Gp - Modulating,Xmssn Hyd. Cntrl, Clutch 2 258-8987 22 E-1Valve Gp - Modulating,Xmssn Hyd. Cntrl, Clutch 3 258-8987 23 E-1Valve Gp - Modulating,Xmssn Hyd. Cntrl, Clutch 4 258-8987 24 C-1Valve Gp - Modulating,Xmssn Hyd. Cntrl, Clutch 5 258-8987 25 D-1Valve Gp - Modulating,Xmssn Hyd. Cntrl, Clutch 6 258-8987 26 C-1Valve Gp - Relief, Lube (Transmission Oil) 6T-3340 27 B-4Valve Gp - Relief, Torque Convertor Inlet 126-7174 28 F-7Valve Gp - Relief, Torque Convertor Outlet 9W-7403 29 E-8Valve Gp - Relief,Transmission Hydr. Cntrl 279-2539 30 F-2


TAP LOCATIONSPRESSURE, SAMPLING, AND SENSOR

TapNumber Description Schematic

Location R1 Torque Converter Inlet Pressure F-2R2 Transmission Control Oil Pressure F-2C4 Modulating Valve For Clutch No. 4 F-1C5 Modulating Valve For Clutch No. 5 E-1C6 Modulating Valve For Clutch No. 6 E-1C2 Modulating Valve For Clutch No. 2 D-1C3 Modulating Valve For Clutch No. 3 D-1C1 Modulating Valve For Clutch No. 1 C-1LC T/C Lockup Clutch Pressure F-5T1 T/C Inlet Pressure F-7T2 T/C Outlet Pressure E-8P1 T/C Charge Pump Pressure D-6P2 Transmission Charge Pump Pressure D-5L1 Transmission Lubrication Pressure B-3

©2009 Caterpillar, All Rights Reserved

FLUID POWER SYMBOLS

ONE POSITION TWO POSITION THREE POSITION

VENTED PRESSURIZED RETURN ABOVE FLUID LEVEL RETURN BELOW FLUID LEVEL

LINES CROSSING LINES JOINING

TWO-WAY THREE-WAY FOUR-WAY

SPRING CONTROL VALVES RESTRICTION LINE RESTRICTION(FIXED)

2-SECTION PUMP

MAIN AUX.

SPRING(ADJUSTABLE)

VARIABILITY LINE RESTRICTION(VARIABLE)

LINE RESTRICTIONVARIABLE and PRESSURE

COMPENSATED

PRESSURECOMPENSATION

PUMP: VARIABLE andPRESSURE COMPENSATED

ENERGY TRIANGLESHYDRAULIC PNEUMATIC

MEASUREMENT

PRESSURE TEMPERATURE FLOW

ROTATING SHAFTS

UNIDIRECTIONAL BIDIRECTIONAL

PUSH-PULL LEVER PEDALGENERAL MANUAL PUSH BUTTON SPRING

MANUAL CONTROL SYMBOLS

HYDRAULIC MOTORS

FIXEDDISPLACEMENT

VARIABLE DISPLACEMENTNON-COMPENSATED

UNIDIRECTIONAL

BIDIRECTIONAL

HYDRAULIC PUMPS

FLUID STORAGE RESERVOIRS

CROSSING AND JOINING LINES

VALVE ENVELOPES VALVE PORTS

BASIC COMPONENT SYMBOLS

FLUID CONDITIONERPUMP or MOTOR

FIXEDDISPLACEMENT

VARIABLE DISPLACEMENTNON-COMPENSATED

UNIDIRECTIONAL

BIDIRECTIONAL

VALVES

PILOT CONTROL SYMBOLSRELEASED PRESSURE

EXTERNAL RETURN INTERNAL RETURN

REMOTE SUPPLY PRESSURE

SIMPLIFIED COMPLETE INTERNALSUPPLY PRESSURE

ACCUMULATORS

SPRING LOADED GAS CHARGED

SOLENOID or MANUAL

SOLENOID and PILOT

SOLENOID and PILOT or MANUAL

COMBINATION CONTROLS

SOLENOID SERVO THERMAL DETENT

HYDRAULIC AND PNEUMATIC CYLINDERS

DOUBLE ACTINGSINGLE ACTING

BASICSYMBOL

SPRINGLOADED

CHECK VALVES

TWOPOSITION

INFINITEPOSITIONING

FLOW IN ONEDIRECTION

FLOW ALLOWED INEITHER DIRECTION

THREEPOSITION

CROSSFLOW

PARALLELFLOW

INTERNAL PASSAGEWAYS

NORMAL POSITION

A B

P T

A B

P TSHIFTED POSITION INFINITE POSITION

CONTROL VALVES

ATTACHMENT

MANUAL SHUTOFF

SHUTTLE PILOTCONTROLLED


ELECTRICAL SYMBOLSHydraulic Symbols (Electrical)

325-AG135 PK-14

Circuit IdentificationNumber

Wire Color Wire Gauge

Harness identification codeThis example indicateswire 135 in harness "AG".

325-PK-14

Wire Gauge

Wire Color

Circuit Number Identification

Wire Number Identification Codes

Current Standard

Previous Standard

Electrical Schematic Example Hydraulic Schematic Example

325-PK

Wire ColorCircuit Number Identification

B A

Wire

Wire

(EXAMPLE VALVE)

Current Standard

Transducer(Fluid)

Transducer(Gas / Air)

G

Generator

Electrical WirePressure Switch

MElectric Motor

Pressure Switch (Adjustable)

Temperature Switch

PressureSymbol

TemperatureSymbol

LevelSymbol

FlowSymbol

Electrical Symbols (Electrical)

T

HYDRAULIC CIRCUIT COLOR DESCRIPTIONSTRANSMISSION CHARGE PUMP AND CONTROL CIRCUITSTRANSMISSION LUBE PUMP AND CIRCUITTRANSMISSION SCAVENGE PUMPSUPPLY LINETORQUE CONVERTOR CHARGE PUMP AND CIRCUIT DRAIN / RETURN LINE

LINE PATTERNS

Drain / Return Lines

Component Group

Pilot / Load Sensing Pressure

Pressure Line

CALLOUTS

Taps (Pressure, Sampling, Sensor - by letter)YY

(52) VALVE GP - CONTROL 138-1234

Callout Number(Machine Location from

Component LocationsTable)

ComponentName

Part Number

THIS SCHEMATIC IS FOR THE 793F OFF-HIGHWAY TRUCK POWERTRAINMEDIA NUMBER: KENR9592 PART NUMBER: 293-7506, CHANGE: 01, VERSION: -Components are shown installed on a fully operable machine.

Refer to the appropriate Service Manual for Troubleshooting, Specifications.

12345678

A

B

C

D

E

F

12345678

A

B

C

D

E

F

P R

PR

PR

SPEEDSOLENOIDSENGAGED

CLUTCHESENGAGED

6F

5F

4F

3F

2F

1F

N

R

2 & 3

1 & 3

2 & 4

1 & 4

2 & 5

1 & 5

3

1 & 6

2 & 3

1 & 3

2 & 4

1 & 4

2 & 5

1 & 5

3

1 & 6

T/C SUMP

CONVERTER SUMP

TRANSMISSION ANDTRANSFER GEAR LUBE

TRANSMISSION SUMP

BLEED ORIFICE INSIDE PUMP GP

CONVERTER WITH LOCKUP CLUTCH

TC LOG

T

T

P C6

P C4

T

T

P C3

T

T

P C5

T

T

P C1

T

T

P C2

T

T

XMSN SUMP

XMSN SUMP

XMSN SUMP

XMSN SUMP

XMSN SUMP

XMSN SUMP

P C

T T

T2

T1

L1

C1

C2

C3

C5

C6

C4

R2 R1

P1 P2

LC

(1) CASE ASTRANSMISSION279-2546

(2) CORE ASOIL COOLERTRANSMISSION336-9642

(3) DRIVE GPLUBE271-0163

(4) FILTEROIL, ADVANCED EFFICIENCY4T-6788

(5) FILTER ASOIL, TRANSMISSION339-9704

(6) FILTER AST/C CHARGING339-9704

(7) HOUSINGTORQUE CONVERTOR279-2517

(8) PUMP GPT/C, TRANSMISSION306-4171

(9) SCREEN GPSUCTION, T/C9P-9555

(10) SCREEN GPSUCTION,TRANSFER PUMP INPUT292-0072

(11) SCREEN GPT/C187-3517

(12) SENSOR GPLIQUID LEVELTRANSMISSION OIL330-9321

(13) SENSOR GPTEMPERATURET/C OIL134-2252

(14) SENSOR GPTEMPERATURETRANSMISSION OIL134-2252

(15) SWITCH GPPRESSURET/C FILTER BYPASS156-1382

(16) SWITCH GPPRESSURETRANSMISSION CHARGEFILTER BYPASS156-1382

(17) SWITCH GPBYPASS,T/C SCREEN164-7577

(18) TORQUE CONVERTOR GP279-2519

(19) TUBE AS276-4815

(20) VALVE GPMODULATINGT/C LOCK UP CLUTCH275-0040

(21) VALVE GPMODULATINGXMSSN HYD. CONTROLCLUTCH 4258-8987




(24) VALVE GPMODULATINGXMSSN HYD. CONTROLCLUTCH 2 258-8987


(28) VALVE GPRELIEF,T/C INLET126-7174

(29) VALVE GPRELIEF,T/C OUTLET9W-7403

(30) VALVE GPRELIEF,TRANSMISSIONHYDR. CONTROL279-2539

(27) VALVE GPRELIEF,LUBE,TRANSMISSION OIL6T-3340

XMSNSCAVENGE

T/CCHARGE

XMSNCHARGE

XMSNLUBE

CLUTCH 1

CLUTCH 2

CLUTCH 3

CLUTCH 5

CLUTCH 6

CLUTCH 4

F8

E8

D8

C8

B8

A8

F7

E7

D7

C7

B7

A7

F6

E6

D6

C6

B6

A6

F5

E5

D5

C5

B5

A5

F4

E4

D4

C4

B4

A4

F3

E3

D3

C3

B3

A3

F2

E2

D2

C2

B2

A2

F1

E1

D1

C1

B1

A1


TOP VIEW OF POWERTRAIN


TRANSMISSION - LEFT AND RIGHT SIDE

RIGHT SIDE OF TRANSMISSIONLEFT SIDE OF TRANSMISSION

P2

P1L116 1510

65

1


TOP OF TRANSMISSION - CONTROL BOX

R2

R1 C6

C5

C4 C3

C2 C1

30

27

26

2524

23

22 21

14


LEFT SIDE OF TORQUE CONVERTOR/FRAME

4 3 2


LEFT SIDE OF TORQUE CONVERTOR

T2

LC

29

20

18

17

13

12

11

9

8


RIGHT SIDE OF TORQUE CONVERTOR

T1

28

19

7

1 schematic features page - diagramasde.comdiagramas.diagramasde.com/otros/793f power train.pdf ·...

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