AHHRM 25056 Hydraulics- Routine Maintenance

 

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Performance Objectives:

                                                                                                                    Pass     Fail                  

Topic 1: General Recommendations

1.1  Describe what routine maintenance is.

1.2  Describe appropriate personal protective equipment and
clothing for performing routine maintenance tasks.

1.3  Describe one method of cleaning up a hydraulic fluid spill.

1.4  Describe general steps in locking out and tagging a hydraulic
system for maintenance.

 

Topic 2: System Inspections

2.1 Name the components that are typically checked during
      a visual inspection.

2.2 Describe problems to look for during a visual inspection
      of fluid lines on an operating hydraulic system.

2.3 Describe some cause of hydraulic fluid leaks.

2.4 Describe the term “starving the pump.”

2.5 Explain what a sounding rod is used for.

2.6 Explain what a hot spot is and how to identify a hot spot
      in a hydraulic system.

2.7 Explain how to identify excessive vibration in a hydraulic
      system.

 

Topic 3: Component Maintenance

3.1 Explain how contaminants can get into a hydraulic system.

3.2 Describe how filters and strainers are maintained.

3.3 Describe a procedure for cleaning a hydraulic reservoir.

3.4 Explain the purpose of checking the charge of a nitrogen-
      charged accumulator.

3.5 Describe a procedure for cleaning an air-cooled heat exchanger.

 

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Performance Evaluator’s Name (Print) ____________________________

 

Date Completed: _____________________________________________