Tow Bar Flashcards
What is the purpose of a aircraft tow bar?
To allow towing vehicles to be attached to an aircraft
What are the 2 types of tow bar?
No1 series
No2 series
What aircraft do we use with the no1 series tow bar?
Typhoon
Chinook
Merlin
What type of aircraft do we use with the no2 series tow bar?
Hawk
HS125
Tucano
What are the main components of a tow bar?
Main tube
Undercarriage assembly
Towing eye
When carrying out maintenance on the tow eye what do you need to check?
Shear pin is fitted and serviceable
Safety pin is fitted and secure
Shear pin bushes for correct fit
When carrying out maintenance on the extension tube, what do we need to check?
Examine for damage especially lifting handles and skids
When carrying out maintenance on the main tube, what do we need to check?
For damage
Shear pin carrier for damage
What is the undercarriage assembly used for?
It is fitted to facilitate handling, when towing aircraft it is to be raised
What is the main role of the shear pin?
Prevents aircraft nose and wheel being subjected to excessive force
When aircraft have hollow axles what adaptor should you use?
Crosshead adaptor
With a crosshead adaptor what degree is it free to rotate?
6degree either side
On a crosshead adaptor how many different sizes of pins are there?
4
On a aircraft tow bar undercarriage height is controlled using what?
Spring loaded pin and index plate
What does the red band on a tow eye of a aircraft tow bar indicate ?
Shear pin failure
