manual-caterpillar-d5m-d6m-d6r-track-type-tractors-power-train-control-system-components-diagrams.pdf

May 20, 2018 | Author: Bruno Cecatto | Category: N/A
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Service Training MALAGA

D5M / D6M / D6R  TRACK TYPE TRACTORS 

POWER TRAIN CONTROL SYSTEM

ECM

Francis OCT 97

P   a  g  e :  2 

POWER TRAIN HYDRAULIC SYSTEM WITH STEERING AND BRAKE CONTROL VALVE

IMPLEMENT AND WINCH PUMP DRIVE

TORQUE CONVERTER

TORQUE CONVERTER  OUTLET RELIEF VALVE

TRANSMISSION CONTROL VALVE

COOLER TORQUE CONVERTER SUMP LUBE

P3

PRIORITY VALVE

P2

P1

STEERING CLUTCH AND BRAKE LUBE

PUMP

TRANSMISSION SCAVENGE SECTION

STEERING AND BRAKE VALVE

STEERING AND BRAKE LUBE SECTION

FILTER

CASE

TRANSMISSION CHARGING SECTION

TRANSMISSION SUMP

P   a  g  e : 

 C  H  A  P  T  E  R  :  P   O W E  R  T  R  A  I   N   C   O N  T  R   O L   S  Y   S  T  E  M

T  R  A   C  D  K  5  T  M Y  /   P  D  E  6  T  M R  /   A  D   C  6  T  R   O R   S 

STEERING AND BRAKE VALVE BRAKES ENGAGED

 3 

LEVER PARKING BRAKE SHAFT

RIGHT STEERING CLUTCH SPOOL

POPPET VALVE CHECK VALVE TO RIGHT CLUTCH

RIGHT STEERING SHAFT SERVICE BRAKE PEDAL SHAFT

PUMP SUPPLY RIGHT STEERING CLUTCH PLUNGER RIGHT BRAKE SPOOL

RIGHT BRAKE PLUNGER

TO RIGHT BRAKE

TO LEFT BRAKE

LEFT BRAKE PLUNGER

LEFT BRAKE SPOOL

LEFT STEERING CLUTCH PLUNGER

LEFT STEERING CLUTCH SPOOL

LEFT STEERING SHAFT TO LEFT CLUTCH

 C  H  A  P  T  E  R  :  P   O W E  R  T  R  A  I   N   C   O N  T  R   O L   S  Y   S  T  E  M

T  R  A   C  D  K  5  T  M Y  /   P  D  E  6  T  M R  /   A  D   C  6  T  R   O R   S 

P   a  g  e : 

STEERING AND BRAKE VALVE BRAKES ENGAGED

 3 

LEVER

POPPET VALVE

PARKING BRAKE SHAFT

CHECK VALVE RIGHT STEERING SHAFT

TO RIGHT CLUTCH

RIGHT STEERING CLUTCH SPOOL

SERVICE BRAKE PEDAL SHAFT

PUMP SUPPLY RIGHT STEERING CLUTCH PLUNGER RIGHT BRAKE SPOOL

RIGHT BRAKE PLUNGER

TO RIGHT BRAKE

TO LEFT BRAKE

LEFT BRAKE PLUNGER

LEFT BRAKE SPOOL

LEFT STEERING CLUTCH PLUNGER

LEFT STEERING CLUTCH SPOOL

LEFT STEERING SHAFT TO LEFT CLUTCH

 C  H  A  P  T  E  R  :  P   O W E  R  T  R  A  I   N   C   O N  T  R   O L   S  Y   S  T  E  M

T  R  A   C  D  K  5  T  M Y  /   P  D  E  6  T  M R  /   A  D   C  6  T  R   O R   S 

P   a  g  e :  4 

FTC

MONITORING SYSTEM

PARKING BRAKE

ELECTRONICALLY CONTROLLED STEERING AND BRAKE SYSTEM

CAT DATA LINK ELECTRONIC POWER TRAIN

ECM SERVICE BRAKE

CONTROL I/O

SERVICE TOOL

PARKING BRAKE AND SECONDARY BRAKE VALVE FILTER

5

PRIORITY VALVE

2 STEERING CLUTCH AND BRAKE LUBE

STEERING CLUTCH AND BRAKE LUBE

4

PUMP DRIVE LUBE

3

MAIN RELIEF AND MODULATING VALVES

 STEERING AND BRAKE VALVE

TRANSMISSION AND BEVEL GEAR LUBE

OUTLET RELIEF VALVE TORQUE CONVERTER TRANSMISSION CASE

STEERING CLUTCH / BRAKE

1

COOLER

STEERING CLUTCH / BRAKE

 C  H  A  P  T  E  R  :  P   O W E  R  T  R  A  I   N   C   O N  T  R   O L   S  Y   S  T  E  M

T  R  A   C  D  K  5  T  M Y  /   P  D  E  6  T  M R  /   A  D   C  6  T  R   O R   S 

P   a  g  e :  4 

FTC

MONITORING SYSTEM

PARKING BRAKE

ELECTRONICALLY CONTROLLED STEERING AND BRAKE SYSTEM

CAT DATA LINK ELECTRONIC POWER TRAIN

ECM SERVICE BRAKE

CONTROL I/O

SERVICE TOOL

PARKING BRAKE AND SECONDARY BRAKE VALVE FILTER

5

PRIORITY VALVE

STEERING CLUTCH / BRAKE

1

2 STEERING CLUTCH AND BRAKE LUBE

STEERING CLUTCH AND BRAKE LUBE

4

3

PUMP DRIVE LUBE

MAIN RELIEF AND MODULATING VALVES

 STEERING AND BRAKE VALVE

STEERING CLUTCH / BRAKE

TRANSMISSION AND BEVEL GEAR LUBE

OUTLET RELIEF VALVE TORQUE CONVERTER TRANSMISSION CASE

COOLER

D5M / D6M / D6R TRACK TYPE TRACTORS CHAPTER : POWER TRAIN CONTROL SYSTEM

FINGER TIP CONTROL

1

 C  H  A  P  T  E  R  :  P   O W E  R  T  R  A  I   N   C   O N  T  R   O L   S  Y   S  T  E  M

T  R  A   C  D  K  5  T  M Y  /   P  D  E  6  T  M R  /   A  D   C  6  T  R   O R   S 

D5M / D6M / D6R TRACK TYPE TRACTORS CHAPTER : POWER TRAIN CONTROL SYSTEM

FINGER TIP CONTROL

1

2

1 - Directional control knob 2 - Upshift and Downshift buttons

Page:

5

D5M / D6M / D6R TRACK TYPE TRACTORS CHAPTER : POWER TRAIN CONTROL SYSTEM

PULSE WIDTH MODULATION SENSOR

Page:

6

P   a  g  e : 

POWER TRAIN HYDRAULIC SYSTEM



FILTER

STEERING CLUTCH / BRAKE

5

PRIORITY VALVE

1

STEERING AND BRAKE VALVE

2 STEERING CLUTCH AND BRAKE LUBE

STEERING CLUTCH AND BRAKE LUBE

4

3

PUMP DRIVE LUBE

MAIN RELIEF AND MODULATING VALVES

TRANSMISSION AND BEVEL GEAR LUBE

STEERING CLUTCH / BRAKE

OUTLET RELIEF VALVE TORQUE CONVERTER TRANSMISSION CASE

COOLER

 C  H  A  P  T  E  R  :  P   O W E  R  T  R  A  I   N   C   O N  T  R   O L   S  Y   S  T  E  M

T  R  A   C  D  K  5  T  M Y  /   P  D  E  6  T  M R  /   A  D   C  6  T  R   O R   S 

P   a  g  e :   8 

PRIORITY VALVE NORMAL MODE

FROM CONTROL SECTION

TO STEERING, BRAKE AND TRANSMISSION CONTROLS

FROM TORQUE CONVERTER AND LUBRICATION SECTION PRIORITY VALVE SOLENOID

TO TORQUE CONVERTER

 C  H  A  P  T  E  R  :  P   O W E  R  T  R  A  I   N   C   O N  T  R   O L   S  Y   S  T  E  M

T  R  A   C  D  K  5  T  M Y  /   P  D  E  6  T  M R  /   A  D   C  6  T  R   O R   S 

P   a  g  e :   8 

PRIORITY VALVE NORMAL MODE

FROM CONTROL SECTION

TO STEERING, BRAKE AND TRANSMISSION CONTROLS

FROM TORQUE CONVERTER AND LUBRICATION SECTION PRIORITY VALVE SOLENOID

TO TORQUE CONVERTER

 C  H  A  P  T  E  R  :  P   O W E  R  T  R  A  I   N   C   O N  T  R   O L   S  Y   S  T  E  M

T  R  A   C  D  K  5  T  M Y  /   P  D  E  6  T  M R  /   A  D   C  6  T  R   O R   S 

P   a  g  e :   9 

PRIORITY VALVE PRIORITY MODE

FROM CONTROL SECTION OF PUMP

TO STEERING, BRAKE AND TRANSMISSION CONTROLS

FROM TORQUE CONVERTER AND LUBRICATION SECTION PRIORITY VALVE SOLENOID

TO TORQUE CONVERTER

 C  H  A  P  T  E  R  :  P   O W E  R  T  R  A  I   N   C   O N  T  R   O L   S  Y   S  T  E  M

T  R  A   C  D  K  5  T  M Y  /   P  D  E  6  T  M R  /   A  D   C  6  T  R   O R   S 

P   a  g  e :   9 

PRIORITY VALVE PRIORITY MODE

FROM CONTROL SECTION OF PUMP

TO STEERING, BRAKE AND TRANSMISSION CONTROLS

FROM TORQUE CONVERTER AND LUBRICATION SECTION PRIORITY VALVE SOLENOID

TO TORQUE CONVERTER

D5M / D6M / D6R TRACK TYPE TRACTORS CHAPTER : POWER TRAIN CONTROL SYSTEM

CONTROL VALVE GROUP

 C  H  A  P  T  E  R  :  P   O W E  R  T  R  A  I   N   C   O N  T  R   O L   S  Y   S  T  E  M

T  R  A   C  D  K  5  T  M Y  /   P  D  E  6  T  M R  /   A  D   C  6  T  R   O R   S 

D5M / D6M / D6R TRACK TYPE TRACTORS CHAPTER : POWER TRAIN CONTROL SYSTEM

CONTROL VALVE GROUP

Page:

10

D5M / D6M / D6R TRACK TYPE TRACTORS CHAPTER : POWER TRAIN CONTROL SYSTEM

   Y    L    L    P    I    P    O    U    S    H    C    T    U    L    C    O    T

   E    V    L    N    A    O    I   V    S    G    S    I   N    I    M    T    S    A    N    L    A    U    R    D    T    O    M

Page:

11

   N    I    A    R    D    O    T

D5M / D6M / D6R TRACK TYPE TRACTORS CHAPTER : POWER TRAIN CONTROL SYSTEM

AUTOSHIFT AND AUTO KICKDOWN MODES

1

4

2 3

1. 1F/2 1F/2R R LED LED 2. 2F/2 2F/2R R LED LED 3. Auto Autoshi shift ft switc switch h 4. Auto Auto Kic Kickdo kdown wn LED LED 5. Auto Auto Kick Kickdow down n switc switch h

Page:

12

5

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