(f)
Make sure the THROT SYNC and TARGET values are still in |0.5 degrees.
(g)
Move the two throttle levers fully aft gently until they touch the idle stop.
(h)
Make sure that THROT 1 SYNC and THROT 2 SYNC values on the CDU are between -6.0 and +22.0 degrees.
NOTE: This is a check of the PLA synchro electrical output
____
rotation.
(i)
Push LSK 6L (<INDEX) and make sure that CDU shows the A/T BITE TEST 2/2 page.
(j)
Push the INIT REF key on the CDU to go out of the A/T BITE.
(k)
Install the fan cowl panel on the engine (AMM 71-11-02/201).
(l)
Remove the DO-NOT-OPERATE identifier from the throttle levers.
S 865-098
(3) Put the airplane back to normal if no further tests are necessary.
F. Put the Airplane Back To Its Initial Condition
S 045-030
(1)
Disengage the A/T and the DFCS systems.
(2)
Set the two IRS mode selector switches to OFF.
(3)
Move all the throttle levers to the idle stop (full aft).
S 865-083
(4)
Close the LANDING GEAR AIR/GND RELAY & LTS circuit breaker on the P6 panel.
S 865-035
(5)
Remove the electrical power if it is not necessary
(AMM 24-22-00/201).
S 035-031
S 865-087
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A
737-300/400/500MAINTENANCE MANUAL
AUTOTHROTTLE COMPUTER - REMOVAL/INSTALLATION
____________________________________________
1. General
_______
A. This procedure contains two tasks. The first task is for the removal of the autothrottle computer. The second task is for the installation of the autothrottle computer.
B. You can find the autothrottle computer in the electronic equipment rack. There are two shelf-mounted swivel bolts which hold the autothrottle computer in position.
TASK 22-31-10-004-020
2. Autothrottle Computer Removal
_____________________________
A. References
(1) AMM 12-31-11/201, Body Section 41 Access Doors and Panels
B. Access
(1)
Location Zone
205 Electronic Compartment
(2)
Access
1201 Electronic Equipment Access Door
C. Procedure
S 864-001
(1) Open these circuit breakers and attach DO-NOT-CLOSE tags:
(a) P18-1 Circuit Breaker Panel
1) Autothrottle AC
2) Autothrottle DC
S 014-002
(2)
Open the Electronic Equipment Access Door to get access to the autothrottle computer.
S 024-003
(3)
Remove the Autothrottle Computer:
CAUTION: DO NOT TOUCH THE CONNECTOR PINS OR OTHER CONDUCTORS ON THE
_______ AUTOTHROTTLE COMPUTER. IF YOU TOUCH THESE CONDUCTORS, ELECTROSTATIC DISCHARGE CAN CAUSE DAMAGE TO THE COMPUTER.
(a)
Loosen the swivel bolts.
(b)
Operate the extractor to remove the autothrottle computer.
TASK 22-31-10-404-021
3. Autothrottle Computer Installation
__________________________________
A. References
(1) AMM 12-31-11/201, Body Section 41 Access Doors and Panels
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
B.
C.
D.
E.
A
737-300/400/500MAINTENANCE MANUAL
(2)
AMM 20-10-07/201, E/E Rack Mounted Components
(3)
AMM 22-31-10/501, Autothrottle System
(4)
AMM 24-22-00/201, Manual ControlAccess
(1)
Location Zone 205 Electronic Compartment
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