757 AMM 飞机维护手册 仪表 CHAPTER 31 - INSTRUMENTS 2(9)

 (2)
An installation of the tape cartridge in the QAR.

 B. The QAR is installed on the E3-3 rack in the main E/E bay.
 TASK 31-35-01-002-001
 2.  Remove the Tape Cartridge from the QAR______________________________________
 A. References
 (1)  AMM 24-22-00/201, Electrical Power Control
 B. Access
 (1)  Location Zone 119 Main Equipment Center (Left)
 C. Procedure
 S 862-002
 (1)
Supply electrical power (AMM 24-22-00/201).

 S 862-003

 (2)
Make sure these circuit breakers are closed:

 (a)  On the overhead equipment panel P11: 1) 11J7, FLIGHT RECORDER AC 2) 11J8, FLIGHT RECORDER DC
 S 412-010
 (3)  
Open the front panel door of the QAR.

 (4)  
Make sure the POWER ON light is on.

 (5)  
Make sure the BUSY light is off.

 (6)
Push the EJECT switch to eject the cartridge.

 (7)  
Remove the cassette from the QAR.

 S 212-011
 S 212-012
 S 862-013
 S 022-014
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757 MAINTENANCE MANUAL
 S 432-015
 (8)  Install a cassette cover on the cassette.
 TASK 31-35-01-402-016
 3.  Install the QAR Tape Cartridge______________________________
 A. References
 (1)  AMM 24-22-00/201, Electrical Power Control
 B. Access
 (1)  Location Zone
 119 Main Equipment Center (Left)

 C. Procedure
 S 862-017
 (1)  Make sure these circuit breakers are closed:
 (a)  On the P11 panel:
 1) 11J7, FLIGHT RECORDER AC
 2) 11J8, FLIGHT RECORDER DC

 S 412-024
 (2)  
Remove the cassette cover.

 S 422-025

 (3)  
Put the cartridge with its bottom (aluminum plate) to the left side and the capstan into the QAR.

 (4)  
Install the cartridge into the QAR.

 (5)  
Make sure the READY and the BUSY lights come on.

 (6)  
Make sure the BUSY light flashes after the tape is set in the QAR.

 S 412-026
 S 212-027
 S 862-028
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 (7)  S 412-029Close the QAR front panel door.
 (8)  S 862-036Remove electrical power if it is not necessary (AMM 24-22-00/201).

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