DSL 541 - Equipment Power Trains

1. Examine the parts of a clutch assembly
   1. Describe the operation of a clutch
   2. Describe the adjustment of a clutch
   3. Outline the procedure for removing and replacing a clutch
2. Adjust a clutch in a vehicle
   1. Obtain specific procedure from service manual
   2. Adjust to manufacturer’s specifications
3. Demonstrate a working knowledge of clutch linkages
   1. Describe how to perform adjustments for the clutch brake with mechanical linkage
   2. Explain how to adjust clutch pedal free travel when mechanical linkage is used
   3. Describe how to perform clutch brake adjustments when hydraulic release mechanisms are used
   4. Demonstrate the ability to bleed a hydraulic release clutch
   5. Identify the parts of a mechanical release and a hydraulic release clutch
4. Demonstrate knowledge of standard transmissions on a written test
   1. Identify various gear designs
   2. Explain the relationship between speed and torque
   3. Describe the difference between driven components and driving components
   4. Discuss powerflow through a standard transmission
5. Demonstrate knowledge of drivelines
   1. Name the parts of a drive line
   2. Define the importance of phasing a drive line
   3. Demonstrate the ability to remove and install a u-joint
   4. Discuss ball joints & king pins, and there uses in the chassis
6. Demonstrate knowledge of wheel bearings and axle bearings
   1. Explain the method of adjusting a wheel bearing
   2. Discuss pre-load and end-play
   3. Explain the method of adjusting axle/final drive bearings
7. Demonstrate knowledge of differentials
   1. Explain the operation of the differential assembly
   2. List the five general reassembly steps for a carrier assembly
   3. Demonstrate the ability to set up a differential with correct contact and backlash
8. Evaluate the principles of brakes.
   1. Explain the factors the effect braking.
   2. Describe friction.
   3. Determine the effects of speed and weight.
   4. Define the differences in park brakes (friction vs. mechanical)
   5. Identify hydraulic brake functions.
9. Analyze the fundamentals of a brake system.
   1.  Identify major components of a brake system.
   2. Compare operations of disc and drum brakes.
   3. Define brake balance
   4. Describe the operation of the parking brake.
   5. Compare the differences in wet and dry brakes
10. Examine hydrostatic theory
    1. Identify hydrostatic transmission components
    2. Disassemble hydrostatic pump/motor.
    3. Reassemble hydrostatic pump/motor.
    4. Identify hydrostatic valving operation.
    5. Identify control by wire hydrostatic components
    6. Test hydrostatic transmission.
    7. Diagnose hydrostatic transmission problems.
11. Demonstrate knowledge of Torque Converters
    1. Identify the major components in a torque converter and explain their purpose
    2. Understand torque multiplication
    3. Understand power flow through converter
    4. Explain stall speed
12. Examine Belt Drive systems
    1. Identify components of belt drive system
    2. Explain relationship of speed and load in reference to belt drive system
    3. Disassemble and inspect drive sheave assembly
    4. Disassemble and inspect driven sheave assembly
    5. Identify common wear points and characteristics of the drive and driven sheaves
    6. Drive belt characteristics and Failure mode analysis