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EQUIPMENT IN THE AREA OF THE NOSE RADOME.
(b) Open this circuit breaker and install safety tag:
F/O Electrical System Panel, P6-1
Row Col Number Name
D 13 C00120 WEATHER RADAR RT
(c) Move one of the two thrust levers forward to put the speed brake actuator in the down
position.
1) Put the thrust lever back to the idle position.
(d) Slowly move the speed brake lever aft until the ARMED light comes on.
1) Make sure the ARMED light comes on before you move the speed brake lever more
than 0.25 inch (6.35 millimeters) aft of the DOWN position.
NOTE: Measure the distance along the top surface of the speed brake indicator
detent plate.
(e) Move the speed brake lever 1 to 2 inches (25 to 51 millimeters) aft.
(f) Slowly move the speed brake lever forward until the ARMED light is off.
1) Make sure the ARMED light is off before the speed brake lever is less than 0.10 inch
(2.54 millimeters) aft of the DOWN position.
SUBTASK 27-62-34-860-009
(6) Remove the safety tag and close this circuit breaker:
F/O Electrical System Panel, P6-1
Row Col Number Name
D 13 C00120 WEATHER RADAR RT
SUBTASK 27-62-34-860-008
(7) Do this task: Speed Brake Hydraulic Systems A and B Pressurization,
TASK 27-62-00-800-801.
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AUTO SPEED BRAKE MODULE - REMOVAL/INSTALLATION
1. General
A. This procedure has these tasks:
(1) A removal of the auto speed brake module (M980).
(2) An installation of the auto speed brake module (M980).
B. In this procedure the auto speed brake module is referred to as the "module".
C. The module is mounted in the electronic equipment rack, E4-2, which is located in the main
equipment center.
TASK 27-62-35-000-801
2. Auto Speed Brake Module Removal
(Figure 401)
A. References
Reference Title
20-40-12-000-803 Conductive Dust Cap and Connector Cover Installation (P/B 201)
B. Location Zones
Zone Area
118 Electrical and Electronics Compartment - Right
C. Access Panels
Number Name/Location
117A Electronic Equipment Access Door
D. Prepare for the Removal
SUBTASK 27-62-35-860-001
(1) Open this circuit breaker and install safety tag:
F/O Electrical System Panel, P6-2
Row Col Number Name
B 9 C00440 FLIGHT CONTROL AUTO SPEED BRAKE
SUBTASK 27-62-35-010-001
(2) Open this access panel:
Number Name/Location
117A Electronic Equipment Access Door
E. Module Removal
SUBTASK 27-62-35-020-001
(1) Remove the module [1] from the E4-2 rack.
SUBTASK 27-62-35-840-001
(2) Do this task: Conductive Dust Cap and Connector Cover Installation, TASK 20-40-12-000-803.
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Auto Speedbrake Accessory Module Installation
Figure 401/27-62-35-990-801
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TASK 27-62-35-400-801
3. Auto Speed Brake Module Installation
(Figure 401)
A. References
Reference Title
20-40-12-400-803 Conductive Dust Cap and Conductor Cover Removal (P/B 201)
27-62-00-820-806 Speed Brake Throttle Switch Test (P/B 501)
B. Location Zones
Zone Area
118 Electrical and Electronics Compartment - Right
C. Access Panels
Number Name/Location
117A Electronic Equipment Access Door
D. Module Installation
SUBTASK 27-62-35-840-002
(1) Do this task: Conductive Dust Cap and Conductor Cover Removal, TASK 20-40-12-400-803.
SUBTASK 27-62-35-420-001
(2) Install the module [1] on the E4-2 rack.
SUBTASK 27-62-35-860-002
(3) Remove the safety tag and close this circuit breaker:
F/O Electrical System Panel, P6-2
Row Col Number Name
B 9 C00440 FLIGHT CONTROL AUTO SPEED BRAKE
SUBTASK 27-62-35-410-001
(4) Close this access panel:
Number Name/Location
117A Electronic Equipment Access Door
SUBTASK 27-62-35-720-001
(5) Do this task: Speed Brake Throttle Switch Test, TASK 27-62-00-820-806.
------------------------- END OF TASK ---------------------------
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737-600-700-800-900 飞机维护手册7 AIRCRAFT MAINTENANCE MANUA(10)