Mobile Hydraulic Technology and Troubleshooting

1 Hydraulic Safety Copy 8 Topics | 1 Quiz

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1.1 Introduction to Safety Copy

1.2 Personal Protective Equipment (PPE) Copy

1.3 Emergency Preparedness Copy

1.4 Fluid Hazards Copy

1.5 Pneumatic Hazards Copy

1.6 Hydraulic Environmental Management Copy

1.7 Fluid Containment Copy

1.8 Disposal Copy

Hydraulic Safety Quiz Copy

2. Hydraulic and Fluid Power Principles Copy 5 Topics | 1 Quiz

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2.1 Introduction to Fluid Power Copy

2.2 Hydrostatic Fundamental Principles Copy

2.3 Hydrodynamic Fundamental Principles Copy

2.4 Law of Conservation of Energy Copy

2.5 Work and Power Copy

Hydraulic and Fluid Power Principles Quiz Copy

3 Symbols, Drawings, and Product Literature Copy 6 Topics | 1 Quiz

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3.1 Introduction to Symbols, Drawings, and Product Literature Copy

3.2 Pictorial Drawings Copy

3.3 Cutaway Drawings Copy

3.4 Exploded Component Drawings Copy

3.5 Graphic Drawings Copy

3.6 Combination Drawings Copy

Symbols, Drawings, and Product Literature Quiz Copy

4 Pumps Copy 5 Topics | 1 Quiz

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4.1 Introduction to Pumps Copy

4.2 Gear Pumps Copy

4.3 Vane Pumps Copy

4.4 Piston Pumps Copy

4.5 Factors Affecting Pump Selection Copy

Pumps Quiz Copy

5 Rotary Actuators Copy 3 Topics | 1 Quiz

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5.1 Introduction to Rotary Actuators Copy

5.2 Types of Motors Copy

5.3 Limited Rotation Copy

Rotary Actuators Quiz Copy

6 Cylinders Copy 10 Topics | 1 Quiz

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6.1 Types of Linear Actuators Copy

6.2 Cylinder Components and Nomenclature Copy

6.3 Cylinder Loads, Dampening, and Speeds Copy

6.4 Cylinder Electronic Sensing Copy

6.5 Valving Designed for Cylinders Copy

6.6 Cylinder Drift Copy

6.7 Metering-In and Metering-Out Overrunning Loads Copy

6.8 Synchronizing Cylinders Copy

6.9 Cylinder Safety Copy

6.10 Hydraulic Hammer Copy

Cylinders Quiz Copy

7 Pressure-Control and Load-Holding Valves Copy 8 Topics | 1 Quiz

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7.1 Introduction to Pressure-Control and Load-Holding Valves Copy

7.2 Pressure-Relief Valves Copy

7.3 Adjusting Valves Copy

7.4 Pressure-Reducing Valves Copy

7.5 Unloading Valves Copy

7.6 Pressure-Sequence Valves Copy

7.7 Lift Check Valves Copy

7.8 Load-Holding Valves Copy

Pressure-Control and Load-Holding Valves Copy

8 Flow-Control Valves Copy 9 Topics | 1 Quiz

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8.1 Functions of Flow-Control Valves Copy

8.2 Non-Pressure-Compensated Flow-Control Valves Copy

8.3 Pressure-Compensated Flow-Control Valves Copy

8.4 Temperature-Compensated Valves Copy

8.5 Priority Valves Copy

8.6 Proportional Flow Divider Valves Copy

8.7 Single-Direction Self-Leveling Valve Copy

8.8 Dual-Direction Self-Leveling Copy

8.9 Excessive Flow Protection Copy

Flow-Control Valves Quiz Copy

9 Directional-Control Valves Copy 10 Topics | 1 Quiz

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9.1 Purpose of Directional-Control Valves Copy

9.2 Types of Hydraulic Control Systems Copy

9.3 Methods of Actuating DCVs Copy

9.4 DCV Function Copy

9.5 Number of DCV Positions Copy

9.6 Block Design Copy

9.7 Valve Design Copy

9.8 Power Beyond Copy

9.9 DCV Multiplier Copy

9.10 Excavator Pattern Changing Valve Copy

Directional-Control Valves Quiz Copy

10 Fluids Copy 3 Topics | 1 Quiz

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10.1 Function of Fluids Copy

10.2 Fluid Properties Copy

10.3 Fluid Types Copy

Fluids Quiz Copy

11 Filtration Copy 9 Topics | 1 Quiz

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11.1 Introduction to Filtration Copy

11.2 Strainers Copy

11.3 Filters Copy

11.4 Filtration by Location Copy

11.5 Types of Filtration by Flow Copy

11.6 Filter Indicators Copy

11.7 Types of Filter Housings Copy

11.8 Removing Moisture Copy

11.9 Choosing How to Filter a Hydraulic System Copy

Filtration Quiz Copy

12 Contamination Control Copy 6 Topics | 1 Quiz

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12.1 Source of Contamination Copy

12.2 Reasons for Fluid Analysis Copy

12.3 Oil Sampling Copy

12.4 Cleanliness Standards Copy

12.5 Types of Analysis Copy

12.6 Improving Contamination Control Copy

Contamination Control Quiz Copy

13 Accumulators Copy 6 Topics | 1 Quiz

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13.1 Functions and Applications Copy

13.2 Types of Accumulators Copy

13.3 Accumulator Safety Copy

13.4 Service and Repair Copy

13.5 Tools and Accessories Copy

13.6 Hydraulic Hybrid Applications Copy

Accumulators Quiz Copy

14 Reservoirs and Coolers Copy 6 Topics | 1 Quiz

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14.1 Reservoirs Copy

14.2 Reservoir Design and Components Copy

14.3 Reservoirs and Maintenance Copy

14.4 Heat Copy

14.5 Coolers Copy

14.6 Warmers and Heaters Copy

Reservoirs and Coolers Quiz Copy

15 Plumbing Copy 9 Topics | 1 Quiz

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15.1 The Importance of Understanding Plumbing in Mobile Hydraulic Systems Copy

15.2 Types of Plumbing Copy

15.3 Conductors Copy

15.4 Metal-to-Metal Fittings Copy

15.5 O-Ring Fittings Copy

15.6 Quick Couplers Copy

15.7 Carriers Copy

15.8 Swivels Copy

15.9 Noise and Vibration Copy

Plumbing Quiz Copy

16 Open-Center Hydraulic Systems Copy 4 Topics | 1 Quiz

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16.1 Overview and Introduction to Open-Center Systems Copy

16.2 Valves and Designs Copy

16.3 Varying Cylinder Speeds in Open-Center Hydraulic Systems Copy

16.4 Tandem Two-Stage Systems Copy

Open-Center Hydraulic Systems Quiz Copy

17 Pressure-Compensating (PC) Hydraulic Systems Copy 8 Topics | 1 Quiz

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17.1 Introduction to Closed-Center Systems Copy

17.2 Pressure-Compensating Pump Symbols Copy

17.3 Pump Frame Designs Copy

17.4 Advantages and Disadvantages of PC Systems Copy

17.5 Why Open-Center Hydraulic Systems Do Not Operate at Maximum Pressure Copy

17.6 Late-Model PC Hydraulic Systems Copy

17.7 PC Pump and Open-Center DCVs Copy

17.8 Dual-Flow, Constant-Horsepower, Open-Center Hydraulic Systems Copy

Pressure-Compensating (PC) Hydraulic Systems Quiz Copy

18 Load-Sensing, Pressure-Compensating (LSPC) Hydraulic Systems Copy 17 Topics | 1 Quiz

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18.1 Introduction to Load-Sensing, Pressure-Compensating (LSPC) Hydraulic Systems Copy

18.2 Load-Sensing System Copy

18.3 Signal Network Copy

18.4 Pressure-Compensating System Copy

18.5 LSPC Systems with Variable-Displacement Hydraulic Pumps Copy

18.6 LSPC Variable-Displacement Hydraulic Pump Symbols Copy

18.7 LSPC Variable-Displacement Pump Modes of Operation Copy

18.8 Main System Relief in Variable-Displacement LSPC Systems Copy

18.9 Load-Sensing Relief Valves Copy

18.10 Torque-Limiting Control Copy

18.11 Jammer Solenoids and the Implications of Connecting the Pump Outlet to a Signal Network Copy

18.12 Power Beyond in LSPC Systems Copy

18.13 Diagnosing LSPC Systems by Symptom Copy

18.14 Variable-Displacement LSPC System Advantages Copy

18.15 Variable-Displacement LSPC System Disadvantages Copy

18.16 Electronic Load Sensing Copy

18.17 Variable-Flow Open-Center Copy

Load-Sensing, Pressure-Compensating (LSPC) Hydraulic Systems Quiz Copy

19 Flow Sharing/ Downstream Compensation Copy 15 Topics | 1 Quiz

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19.1 Review of LSPC Copy

19.2 Introduction to Flow Sharing Copy

19.3 How Post-Spool Compensation Works Copy

19.4 Why Use a Signal Relief Valve? Copy

19.5 Flow Sharing with Double-Acting Actuators (Passageways) Copy

19.6 Operating Pressures in a Post-Spool–Compensated System with Demands Met Copy

19.7 Operating Pressures in a Post-Spool–Compensated System when Pump is Saturated Copy

19.8 Limiting Individual Actuator Pressure in Flow-Sharing Systems Copy

19.9 Combining Pre-Spool and Post-Spool–Compensated DCVs Copy

19.10 Caterpillar Proportional Priority Pressure Compensation (PPPC) Copy

19.11 Case Machines with Downstream Compensation Copy

19.12 Flow Sharing and no Shuttle Valves Copy

19.13 Other Flow-Sharing Technology Copy

19.14 Margin Relief Valve Copy

19.15 Signal Duplication Valves Copy

Flow Sharing/ Downstream Compensation Quiz Copy

20 Negative Flow Controls Copy 8 Topics | 1 Quiz

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20.1 Introduction to Negative Flow Control (NFC) Systems Copy

20.2 Pump Regulators Copy

20.3 NFC DCVs and NFC Orifice Copy

20.4 Pump Control Pressures Copy

20.5 Open-Center Load-Sensing Copy

20.6 Electronically Negative-Power-Controlled Pumps Copy

20.7 Caterpillar Next-Generation Excavators Copy

20.8 Case CXD Series Excavators Copy

Negative Flow Controls Quiz Copy

Mobile Hydraulic Technology and Troubleshooting

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