15.19

Question 1

What loads to the attachment bolts take?

Answer 1

Vertical engine loads via 4 attachments

Question 2

How are thrust and side loads transferred?

Answer 2

Transferred by shear pins

Question 3

The support beam is connected to the fan frame by what?

Answer 3

Two thrust links via a cross beam

Question 4

What is the aft engine mount cross beam connected to?

Answer 4

Connected to pylon by attachment bolts
Connected to engine turbine frame by links at three points

Question 5

Why does the engine secure to upper nacelle with a resilient rubber mount?

Answer 5

Reduces vibration and torque effects

Question 6

The engine is supported at the rear by what?

Answer 6

Swingling links

Question 7

Connectors found on modern aero jet will be of what design?

Answer 7

Bayonet design

Question 8

How many different threads are on the bayonet design?

Answer 8

Three

Question 9

The bootstrap method can be used for what type of engine?

Answer 9

Wing mounted engines

Question 10

Positive and negative of crane supported sling method?

Answer 10

More expensive
30% less time

Question 11

Positive and negative of uplift loader method?

Answer 11

Expensive special equipment
40% time reduction compared to bootstrap method

Question 12

Why are control levers shaped and coloured differently?

Answer 12

Identification purposes

Question 13

Rigging pins should be fitted with what?

Answer 13

A red flag

Question 14

Why do engines need a drain system?

Answer 14

To take all leakages of fluid directly overboard

Question 15

Main components of the drain system?

Answer 15

Drain lines
Module assembly

Question 16

Where is drain mast found and what does it do?

Answer 16

Found at lower part of module
Takes fluid overboard

Question 17

Fluid leaks are collected from where on gear box?

Answer 17

All drive pad seals on gear box

Question 18

The most important outlet drains go where?

Answer 18

Overboard so leaks can’t re collect

Question 19

Why would a leak rate be checked?

Answer 19

Must be checked to decide whether a leakage is acceptable or not

Question 20

Process of leak rate check?

Answer 20

Disconnect drain lines and out in a small plastic bottle
Do and engine run
Measure amount in bottle compared with AMM limitations

Question 21

When there is a fuel pump leakage, the fuel will first be collected where?

Answer 21

In the fuel pump collector

Question 22

When fuel pump collector is full you will get an overflow to what?

Answer 22

The holding tank

Question 23

The holding tanks are emptied by what?

Answer 23

RAM air
Or manually by spring loaded drain valves