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Flashcards in Transmision Deck (15):
1

What is the MRGB made of?

Magnesium Alloy.

2

What is mounted to the AGB?

AC generators
HYD pumps
NR tacho
MGB oil pump
Mounting bracket for COLL MRA

3

At what temperature do you get the [MGB OIL HOT] caution ?

99 C

4

What is the TRGB made of?

Input and center are Aluminium alloy and the output is magnesium alloy.

5

Where is the oil filter?

Right side of main housing.

6

At what pressure does the RED [MGB LO PRESS] warning illuminate?

1.38 bar

7

Where are the oil pressure transmitter and oil pressure switch for the MRGB?

On top of the oil coupling block on the upper rear left MGB.

8

At what pressure does the AMBER [MGB LO PRESS] warning illuminate?

2.3 bar.

9

How are the IGB and TRGB [OIL LVL] cautions triggered?

Oil presence sensors.

10

What is the TR hub made of?

Carbon fibre laminates.

11

Where is the oil temperature bulb?

In the MRGB oil filter.

12

What oil is used in all of the gearboxes?

OX125

13

What does the IGB do?

Changes the angle and reduces speed.

14

What is the purpose of the rotary elastomeric lag dampers?

Dampen lead and lag.

15

What is the purpose of the the spherical elastomeric bearings?

Allows flap for pitch change