A/c train
Topic Author
Posts: 674
Joined: Sun Jun 10, 2001 7:57 am

Reversers

Thu May 17, 2001 7:28 pm

Afternoon chaps,
Watching a group of Techs and Mechanics refit the Reversers back on a RR TRENT 732 the other day and they had finished refitting and they had the pumps going on the blue system ACMP I think, and the Tech who was in the cockpit signalled down to the Tech on the ground who in turn operated a switch on the engine and then the T/R 's were being tested ,what switch is this?
cheers
 
F-WWAI
Posts: 129
Joined: Thu Dec 30, 1999 7:41 am

RE: Reversers

Fri May 18, 2001 4:42 am

Hi Paul,
that is a safety switch, installed to make sure somebody stands close to the engine and watches nobody puts an arm in the T/R door when the T/R is operated from the cockpit via MCDU interface.

The system goes inert after a while though and you have to start over again to make the things move.

But what do you mean by Trent 732? Was it not rather a 772 ?

have fun,
 Smile/happy/getting dizzyFW
 
A/c train
Topic Author
Posts: 674
Joined: Sun Jun 10, 2001 7:57 am

RE: Reversers

Fri May 18, 2001 7:15 am

yep772 apologies!
what does mcdu stand for?
cheers for reply!
 
VC-10
Posts: 3546
Joined: Tue Oct 26, 1999 11:34 am

RE: Reversers

Fri May 18, 2001 5:16 pm

If it's anything like the 757 the switch simulates oil pressure. On the 757 the reverser will only operate when the system see's oil pressure.

MCDU - Multipurpose Control Display Unit
 
F-WWAI
Posts: 129
Joined: Thu Dec 30, 1999 7:41 am

RE: Reversers

Fri May 18, 2001 11:31 pm

MCDU = Multifunction Control and Display Unit
it's the interface for maintenance to all system BITE memories and intelligence, and it's the Pilots interface to FMS, ACARS, SATCOM etc.
have fun
 Smile/happy/getting dizzy FW

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