extract 351
TRANSCRIPT
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20 SECTION 35 HYDRAULIC SYSTEMS CHAPTER 1
604.55.111.00 06 2002
Figure 40
Closed Centre Load Sensing High Pressure HydraulicCircuit 175 and 190hp Models
1. Remote Control Valve
2. Load Sense/Supply Line for Additional Remote Valves
3. Load Sense Shuttle Valve
4. Variable Displacement Hydraulic Pump
5. Mid Mounted Remote Control Valve
6. Front Suspension Control Cylinder
7. Front Suspension Control Valve8. Trailer Brake Valve
9. Electronic Draft Control Valve
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SECTION 35 HYDRAULIC SYSTEMS CHAPTER 1 21
604.55. 111.00 06 2002
Steering System
Lube Circuit Oil
Trapped Oil
Return To Reservoir
Suction Oil
Charge Pump Pressure
41
System Pressure
Closed Centre Load Sensing High Pressure Hydraulic Circuit 175 and 190 Models
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32 SECTION 35 HYDRAULIC SYSTEMS CHAPTER 1
Figure 62
Low Pressure Hydraulic Circuit175 and 190 Model Tractors with Power Command Transmission1. Brake Booster Valve
2. Transmission Top Cover
3. OIl Cooler ByPass
4. Lube relief valve
5. Accumulator6. Steering Motor
7. Brake System Accumulator
8. Low Pressure Regulating Valve and Relief Valve
9. ElectroHydraulic Remote
10. Steering / Lube Priority Valve
11. Creeper Solenoid
12. Low Pressure oil distribution Manifold
13. PTO Brake
14. PTO Clutch Lubrication Valve
15. Lift Cylinders16. Rear Differential Lock
17. Four Wheel Drive Clutch
18. Front Differential LOck
19. Oil Cooler
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SECTION 35 HYDRAULIC SYSTEMS CHAPTER 1 33
604.55. 111.00 06 2002
62
High Pressure / SteeringSystem Oil
Low Pressure Circuit
Lubrication Oil
Return To reservoir
Suction Oil
Brake Pedal Pressure
Static oil
Low Pressure Hydraulic Circuit 175190 Model Tractors
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38 SECTION 35 HYDRAULIC SYSTEMS CHAPTER 1
Figure 62
Low Pressure Hydraulic CircuitTractors with Power Command Transmission1. Brake Booster Valve
2. Pulse Width Modulating Valve Manifold
3. Steering Priority Valve
4. Transmission Top Cover
5. Low Pressure Regulating Valve
6. Lubrication restriction Solenoid
7. Lubrication Regulating Valve
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SECTION 35 HYDRAULIC SYSTEMS CHAPTER 1 39
604.55. 111.00 06 2002
71
Steering System
Low Pressure Circuit
Lubrication Oil
Return To reservoir
Suction Oil
Brake Pedal Pressure
Brake Boosted Pressure
Low Pressure Hydraulic Circuit 120155hp Tractors with Power Command Transmission
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SECTION 35 HYDRAULIC SYSTEMS CHAPTER 1 43
604.55. 111.00 06 2002
Steering, Low Pressure andLubrication Circuit
Tractors withRange Command Transmission
Steering System Oil
Low Pressure Circuit Oil@ 1618 bar (230261 lbf/in2)
Return to Reservoir Oil
1. Steering and Low PressureCircuit Pump
2. Steering Flow Control Valve
3. Differential Lock
4. PTO Engagement Solenoid
5. Low Pressure Regulating Valve
6. Differential Lock Solenoid
7. Four Wheel Drive Solenoid
8. A Clutch PWM Valve
9. B Clutch PWM Valve
10. C Clutch PWM Valve
11. D Clutch PWM Valve
12. E Clutch PWM Valve
13. Oil Cooler ByPass Valve
14. Oil Cooler
15. Lubrication To Pump Drive Gear,PTO and Lift Cross Shaft
16. Lubrication Circuit Relief Valve17. Actuator
Low and High Range Synchroniser
18. ActuatorMedium and Reverse RangeSynchroniser
19. Reverse Range Solenoid Valve
20. Medium Range Solenoid Valve
21. Low Range Solenoid Valve
22. High Range Solenoid Valve
23. Steering Motor
Lubrication Circuit Oil
Suction Oil
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48 SECTION 35 HYDRAULIC SYSTEMS CHAPTER 1
604.55.111.00 06 2002
Steering, Low Pressure andLubrication Circuit
Tractors with Dual Command Transmission
Steering System Oil
Low Pressure Circuit Oil@ 1618 bar (230261 lbf/in2)
Return to Reservoir Oil
1. Steering and Low Pressure Circuit Pump2. Steering Flow Control Valve3. Differential Lock4. PTO Engagement Solenoid5. PTO Brake6. Low Pressure Regulating Valve7. Four Wheel Drive Solenoid8. Transmission Clutch Dump Solenoid9. Reverse Clutch PWM Valve
10. Forward Clutch PWM Valve11. B Clutch PWM Valve12. B Clutch Pressure Switch13. Transmission Low Temperature Switch14. A Clutch Pressure Switch15. A Clutch PWM Valve16. Oil Cooler ByPass Valve17. Oil Cooler18. Lubrication To Pump Drive Gear,
PTO and Lift Cross Shaft19. Lubrication Circuit Relief Valve
20.ActuatorForward and Reverse Synchroniser21. Steering Motor
Lubrication Circuit Oil
Suction Oil
88
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52 SECTION 35 HYDRAULIC SYSTEMS CHAPTER 1
604.55.111.00 06 2002
Steering, Low Pressure and LubricationCircuit
Tractors with Shuttle Command Transmission
Steering System Oil
Low Pressure Circuit Oil@ 1618 bar (230261 lbf/in2)
Return to Reservoir Oil
1. Steering and Low PressureCircuit Pump
2. Steering Flow Control Valve3. Lubrication Circuit Relief Valve4. Steering MakeUp Valve5. Differential Lock6. PTO Engagement Solenoid7. PTO Brake8. Low Pressure Regulating Valve9. Four Wheel Drive Solenoid
10. Oil Cooler ByPass Valve11. Oil Cooler
12. Lubrication To Pump Drive Gear,PTO and Lift Cross Shaft13. Steering Motor
Lubrication Circuit Oil
Suction Oil
95