Aircraft Cowling Cleaning and Maintenance

Questions and Answers

What is the recommended way to clean the inner surfaces of the cowling segments?

Using a wire brush to scrub off dirt and oil

Using a high-pressure washer to blast off dirt and oil

Using a cloth saturated with cleaning solvent (correct)

Using a solution of mild soap and water

What should you do if the inside surface of the cowling is heavily coated with oil and dirt?

Use a high-pressure washer to blast off the dirt and oil

Allow the solvent to soak until the foreign material can be removed (correct)

Apply a coat of wax to protect the surface

Use a wire brush to scrub off the dirt and oil

What is recommended to be applied to painted surfaces of the cowling after washing?

A coat of oil

A coat of wax (correct)

A coat of cleaning solvent

A coat of mild soap

What should be inspected after cleaning the cowling?

The entire cowling for dents, cracks, and loose rivets or spot welds Signup and view all the answers

Why is it important to repair all defects found during inspection?

To prevent the spread of damage Signup and view all the answers

What type of solvent should be used to clean the inner surfaces of the cowling segments?

A cloth saturated with Federal Specification PS-661 or equivalent Signup and view all the answers

What is the purpose of rinsing the cowling thoroughly after washing?

To remove any remaining soap residue Signup and view all the answers

What should be done to prevent the spread of damage to the cowling?

Repair all defects found during inspection Signup and view all the answers

Why is a cloth saturated with cleaning solvent used to clean the inner surfaces of the cowling segments?

To remove heavy oil and dirt buildup Signup and view all the answers

What is the recommended cleaning method for painted surfaces of the cowling?

Using a solution of mild soap and water Signup and view all the answers

Study Notes

Cleaning Cowling Segments

Wipe inner surfaces of cowling segments with a cloth soaked in cleaning solvent (Federal Specification PS-661 or equivalent)
Allow solvent to soak if inside surface is heavily coated with oil and dirt to facilitate removal of foreign material
Clean painted surfaces with mild soap and water, then rinse thoroughly
Apply wax to painted surfaces to prolong paint life after washing

Inspecting and Repairing Cowling

Inspect cowling for dents, cracks, and loose rivets or spot welds after cleaning
Repair any defects detected to prevent further damage

Cleaning the Cowling

Wipe inner surfaces of cowling segments with a cloth saturated with cleaning solvent (Federal Specification PS-661 or equivalent)
Allow solvent to soak if the inside surface is heavily coated with oil and dirt, making it easier to remove foreign material
Wash painted surfaces of cowling with a mild soap and water solution, and rinse thoroughly
Apply a coat of wax to painted surfaces after washing to prolong paint life

Inspecting and Repairing the Cowling

Inspect the cowling for dents, cracks, and loose rivets or spot welds after cleaning
Repair all defects found to prevent the spread of damage

Description

Learn about the proper procedures for cleaning and maintaining aircraft cowling, including the use of cleaning solvents and wax applications. Inspect cowling for damage and follow recommended practices.