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757 MAINTENANCE MANUAL
 AUTOBRAKE SELECTOR SWITCH (S24) - REMOVAL/INSTALLATION
______________________________________________________
 1.  General_______
 A. The Autobrake Selector Switch (S24) is installed on the P1-3 panel.
 B. This procedure contains the following tasks:
 (1)  
Autobrake Selector Switch - Removal

 (2)  
Autobrake Selector Switch - Installation

 (3)  
Autobrake Selector Switch - Test

 TASK 32-42-11-004-001
 2.  Autobrake Selector Switch - Removal (Fig. 401)___________________________________
 A. Equipment
 (1)  
Circuit Breaker Lockout Clip - 1012LC-R

 B.
Reference

 (1)  
AMM 24-22-00/201, Electrical Power - Control

 C.
Access

 (1)  
Location Zones
 211/212 Flight Compartment

 D.
Prepare for Removal

 S 864-020
 (1)  
Open the following circuit breakers on the P11 overhead panel and attach DO NOT CLOSE tags:

 (a)  
11S14, AUTOBRAKES/ANTISKID TEST IND 1

 (b)  
11S21, AUTOBRAKES/ANTISKID TEST IND 2

 S 024-003
 (2)
Remove the knob (5) from the autobrake selector switch (2).

 (3)  
Unfasten the two screws and remove the lightplate (4).

 (4)  
Release the P1-3 instrument panel.

 S 864-006

 (5)  
Disconnect the electrical connector (D2374) (1) from the back of the autobrake selector switch (2).

 S 024-007

 (6)  
Remove the three screws (3) and withdraw the autobrake selector switch (2).

 S 024-004
 S 024-005
 

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A

757 MAINTENANCE MANUAL
P1 PANEL
SEE A
FLIGHT COMPARTMENT
SEE B
A
Autobrake Selector Switch Installation
Figure 401 (Sheet 1)

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L46624
A

757
MAINTENANCE MANUAL

1. ELECTRICAL 
CONNECTOR 
2. AUTOBRAKE 
SELECTOR SWITCH 
3. SCREW 
(3 LOCATIONS) 
4. LIGHTPLATE 
5. KNOB 
9. CONTROL 
FWD  INBD  PANEL 
8. SEAL 
7. CUP 
6. NUT 
B 

Autobrake Selector Switch Installation
Figure 401 (Sheet 2)

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L46630
A

757 MAINTENANCE MANUAL
 TASK 32-42-11-404-008
 3.  Autobrake Selector Switch - Installation________________________________________
 A. Reference
 (1)  
AMM 24-22-00/201, Electrical Power - Control

 B.
Access

 (1)  
Location Zones
 211/212 Flight Compartment

 C.
Prepare for Installation

 S 864-009
 (1)  
Ensure the following circuit breakers on the P11 overhead panel are open:

 (a)  
11S14, AUTOBRAKES/ANTISKID TEST IND 1

 (b)  
11S21, AUTOBRAKES/ANTISKID TEST IND 2

 S 424-010
 (2)  
Install the autobrake selector switch (2) and secure the three screws (3).

 S 424-011

 (3)  
Install the lightplate (4) and secure with two screws.

 S 864-012

 (4)  
Connect the electrical connector (D2374) (1) to the autobrake selector switch (2).

 S 424-013

 (5)  
Install the autobrake selector switch knob (5).

 S 864-014

 (6)  
Remove the DO NOT CLOSE tags and close the following circuit breakers on the P11 panel:

 (a)  
11S14, AUTOBRAKES/ANTISKID TEST IND 1

 (b)  
11S21, AUTOBRAKES/ANTISKID TEST IND 2

 TASK 32-42-11-704-015
 4.  Autobrake Selector Switch - Test________________________________
 A. Prepare for Test
 S 864-016
 (1)  Supply electrical power (AMM 24-22-00/201).
 
　
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