S 863-013
(2)
Move the flap control lever to the 1-unit detent to extend the leading edge flaps.
S 863-014
(3)
Release pressure from hydraulic system B (Ref 27-81-00/201).
(4)
Lubricate the Krueger flap seal door (Fig. 302).
(5)
Pressurize hydraulic system B (Ref 27-81-00/201).
S 863-017
(6)
Move the flap control lever to the FLAP UP detent to retract the leading edge flaps.
S 643-015
S 863-016
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A
737-300/400/500MAINTENANCE MANUAL
S 863-018
(7) Release pressure from hydraulic system B (Ref 27-81-00/201).
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A
737-300/400/500MAINTENANCE MANUAL
SPEED BRAKE LUBRICATION - SERVICING
___________________________________
1. General_______
A. There are two tasks in this procedure. There is a task to lubricate the lever brake for the speed brake system. There is also a task to lubricate the cable for the ground spoiler interlock valve.
TASK 12-22-81-603-001
2. Speed Brake Lever Brake Lubrication (Fig. 301)___________________________________
A. Consumable Materials
(1)
D00633 Grease BMS 3-33 (Recommended)
(2)
D00013 Grease MIL-G-23827 (Alternate)
B. Access
(1)
Location Zone
101 Control Cabin - Left
202 Lower Nose Compartment
(2)
Access Panel
1103 Forward Access Door
C. Procedure
S 863-002
(1) Open these circuit breakers and attach DO-NOT-CLOSE tags:
(a) P6-2 Panel
1) AUTO SPEED BRAKE
S 863-003
(2)
Move the speed brake lever to the DOWN position.
(3)
Open the forward access door.
(4)
Lubricate the lever brake mechanism.
(5)
Close the forward access door.
S 863-009
(6)
Remove the DO-NOT-CLOSE tags and close these circuit breakers:
S 013-004
S 643-006
S 413-008
(a) P6-2 Panel
1) AUTO SPEED BRAKE
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A 737-300/400/500MAINTENANCE MANUAL
SEE A CONTROL LEVER SPEED BRAKE
LEVER BRAKE MECHANISM BSEE
FWD INBD
A
LEVER ACTUATOR
LEVER BRAKE MECHANISM
LEVER BRAKE
FWD
BMS 3-33
2 POINTS
(2 LOCATIONS) OF LUBRICANT
1 APPLY THIN LAYER
B1
Speed Brake Forward Drum and Lever Brake Lubrication Figure 301
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