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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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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
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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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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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