Official Course Description: MCCCD Approval: 07/22/08
DIE106 19946-20086	L+L	3 Credit(s)	4 Period(s)
Mobile Hydraulics and Pneumatics
The transmission of energy through hydraulics and pneumatics. Includes the study of valves, cylinders, pumps and simple hook-ups. Basic troubleshooting and schematic interpretation emphasized. Pneumatic functions shown. Prerequisites: None.

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MCCCD Official Course Competencies:
DIE106   19946-20086	Mobile Hydraulics and Pneumatics

1.	Explain principles of hydraulic theory and hydraulic terms. (I)
2.	Identify and explain hydraulic symbols and schematics. (III)
3.	Describe properties, additives, and maintenance of hydraulic fluids. (III)
4.	Troubleshoot, install, maintain, and repair reserviors and coolers. (IV)
5.	Identify types of pumps, pump efficiency, displacement of pumps, pump failure, and remedies. (V)
6.	Identify, troubleshoot, maintain, and repair basic valves. (VI)
7.	Identify, troubleshoot, maintain, and repair hydraulic cylinders. (VII)
8.	Troubleshoot, maintain, and repair hydraulic motors. (VIII)
9.	Identify types and uses of hydraulic accumulators. (IX)
10.	Identify uses, select types, and maintain hydraulic filters. (X)
11.	Use horses, pipes, tubes and couplers. (XI)
12.	Troubleshoot failures and recommend remedies for hydraulic seals. (XII)
13.	Explain safety procedures, cleanliness requirements, leak prevention, and system maintenance of hydraulics. (XIII)
14.	Diagnose and test hydraulic systems. (XIV)

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MCCCD Official Course Outline:
DIE106   19946-20086	Mobile Hydraulics and Pneumatics

I. Basic Principles of Oil Hydraulics A. Theory and principles B. Basic system C. Open and closed center systems D. Variations on open and closed center systems E. Hydraulic applications F. Hydraulic terms II. Symbols and Schematics A. Identification of symbols B. Basic schematics C. Advanced schematics III. Hydraulic Fluids A. Properties B. Additives C. Maintenance IV. Reserviors and Coolers A. Construction B. Location C. Types V. Hydraulic Pumps A. Displacement of pumps B. Types of pumps 1. Gear 2. Vane 3. Piston C. Pump efficiency D. Pump failures and remedies VI. Hydraulic Valves A. Basic valves 1. Directional control 2. Pressure control 3. Volume control B. Check valves C. Rotary valves D. Spool valves E. Relief valves F. Pressure reducing valves G. Pressure sequence H. Unloading valves I. Flow control valves J. Flow divider valves K. Miscellaneous valves L. Valve failures and remedies VII. Hydraulic Cylinder A. Types of cylinders 1. Ram 2. Piston 3. Vane B. Operation C. Maintenance VIII. Hydraulic Motors A. Types 1. Gear 2. Vane 3. Piston B. Efficiency C. Motor failures and remedies IX. Hydraulic Accumulators A. Types B. Uses X. Hydraulic Filters A. System and uses B. Types of filters C. Contamination of filters D. Maintenance of filters XI. Hoses, Pipes, Tubes and Couplers A. Types and uses B. Failures and remedies XII. Hydraulic Seals A. Types and uses B. Failures and remedies XIII. General Maintenance A. Cleanliness B. Cleaning and flushing systems C. Preventing leaks D. Preventing overheating E. Preventing air-in-oil problems F. Checking system before operation G. Safety rules XIV. Diagnosis and Testing of Hydraulic Systems A. Seven basic steps B. Testing the machine C. Troubleshooting

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