Aircraft Servicing and Equipment

Play an AI-generated podcast conversation about this lesson

What does the term servicing refer to in the context of aircraft maintenance?

Operations to check and replenish an aircraft's systems (correct)
Repairing damaged aircraft components
Replacing worn-out aircraft parts
Conducting test flights after repairs

Where can detailed information about servicing operations be found in an Aircraft Maintenance Manual (AMM)?

Chapter 12 (correct)
Appendix B
Appendix A
Chapter 5

What is essential for ground equipment used during aircraft servicing?

Being compatible with aircraft systems (correct)
Being made of a specific material
Being brand new
Being painted in a specific color

Why should delivery hoses from servicing trolleys be blanked when not in use?

To prevent contamination (D) Signup and view all the answers

What type of fire extinguishers should be readily accessible during aircraft servicing?

Fuel and electrical fire extinguishers (A) Signup and view all the answers

How often should fire extinguishers be inspected during aircraft servicing?

Regularly, as part of maintenance (C) Signup and view all the answers

What is the primary reason for using a lubricant in an aircraft engine?

To reduce friction (C) Signup and view all the answers

What happens when two metal parts with microscopic peaks and valleys rub together?

Metal is worn away from the surfaces (D) Signup and view all the answers

What determines the viscosity of the oil required to prevent metal-to-metal contact?

The clearance between the moving parts (A) Signup and view all the answers

What happens to the heat absorbed by the oil in an aircraft engine?

It is transferred to the oil cooler (A) Signup and view all the answers

What is the benefit of the viscous nature of oil?

It makes oil a good sealing agent (A) Signup and view all the answers

What is another function of a lubricant in an aircraft engine?

To provide cooling (A) Signup and view all the answers

What happens when MIL-PRF-22827C Type II (Aeroshell Grease 7) clay thickened grease is mixed with MIL-PRF-23827 Type I (Aeroshell Grease 33) lithium thickened grease?

It causes grease breakdown (D) Signup and view all the answers

Why is it important to thoroughly remove old grease when changing to a new type of grease?

To prevent bearing failure (C) Signup and view all the answers

What is AeroShell Grease 17 commonly used for?

Heavily loaded sliding steel surfaces (C) Signup and view all the answers

What is the useful temperature range of AeroShell Grease 17?

-73 to +149 °C (C) Signup and view all the answers

What is the primary use of AeroShell Grease 5?

Aircraft wheel bearings and engine accessories (A) Signup and view all the answers

What does MIL-G-3545 indicate about AeroShell Grease 5?

It is an obsolete MIL Spec (C) Signup and view all the answers

What is the purpose of dedicating a grease gun to a single type of grease?

To prevent contamination of different types of grease (D) Signup and view all the answers

What is the advantage of using a manual grease gun in certain airframe lubrication tasks?

It minimizes the risk of over greasing (C) Signup and view all the answers

What should be done before using a new nozzle on a grease gun?

Prime the new nozzle before its first use (C) Signup and view all the answers

What is a feature of a three-jaw zerk coupler?

It has pressure actuated jaws that latch onto the fitting (B) Signup and view all the answers

What is the approximate quantity of grease delivered per stroke by a manual grease gun?

1.5 grams (B) Signup and view all the answers

Why is it important to placard a grease gun with the type of grease it is dedicated to?

To identify the type of grease used (D) Signup and view all the answers

What is the purpose of an air-release valve on a grease gun?

To vent trapped air in the barrel (A) Signup and view all the answers

What is the primary risk associated with injector needles used with flush type fittings?

High-pressure injection injury (C) Signup and view all the answers

What is the recommended safety precaution when operating a grease gun?

Wearing eye protection (A) Signup and view all the answers

Why is it important to check the contents of a grease gun?

To ensure the correct type of grease is used (B) Signup and view all the answers

What can happen if a grease gun is not properly loaded with grease?

The grease gun will produce air locks at the pump inlet (B) Signup and view all the answers

What is the typical pressure range generated by a grease gun?

Thousands of psi (A) Signup and view all the answers