O B J E C T I V E S
- Describe what routine maintenance is, and state its purpose.
- Describe four steps involved in establishing a routine maintenance program.
- Describe personal protective equipment and clothing that should be worn by personnel performing routine maintenance tasks.
- Identify hazards of hydraulic fluid spills and describe one method of cleaning up a spill.
- Describe what is generally meant by lock out and tag out and describe the purpose of such a procedure.
- List components that are typically checked during a visual inspection and explain why they are checked.
- Describe problems to look for during a visual inspection of fluid lines on an operating hydraulic system.
- Identify areas where fluid leaks are commonly found, and describe possible causes.
- Describe the term starving the pump and identify one possible cause.
- Explain what a sounding rod is, and describe specific conditions or malfunctions that can cause components to make unusual sounds.
- Define the term hot spot and explain how hot spots can be detected in a hydraulic system.
- List possible causes of excessive vibration in a hydraulic system and list some possible results of this problem.
- Describe two types of contaminants that are typically found in hydraulic fluid, and identify likely causes of each.
- Describe how filters and strainers are maintained and explain why they must be maintained.
- Describe a procedure for cleaning a hydraulic reservoir and explain the purpose of this task.
- Explain the purpose of checking the charge of a nitrogen-charged accumulator.
- Describe a procedure for cleaning an air-cooled heat exchanger, and explain why this is necessary.
S U B J E C T S
- Establishing a Program
- Visual Inspections
- Other External Inspections
- Fluid and Reservoir
- Accumulators and Heat Exchangers