(2)
Support to hold the aftflap (with the protective cover)
C.
References
(1)
AMM 27-51-00/201, Trailing Edge Flap Systems
(2)
AMM 27-51-32/401, Inboard Flap Track Fairings
D.
Access
(1)
Location Zone 309, 409 Wing Trailing Edge Flap and Spoilers
E.
Procedure
S 014-002
(1)
Do this task: Inboard Flap Track Fairing Removal
(AMM 27-51-32/401).
S 864-003
(2)
Do this task: Hydraulic System B Pressurization (AMM 27-51-00/201).
S 864-004
(3)
Put the flap control lever in the UP detent to retract the flaps.
S 094-005
(4)
Install the rig pins F-5 and F-6 in the boom to hold the boom roller between the pins.
S 864-006
(5)
Do this task: Hydraulic System B Depressurization
(AMM 27-51-00/201).
S 494-007
(6)
Install the support equipment:
(a)
Install the protective cover on the aftflap support.
(b)
Put the support below the aftflap to make sure it does not move when you disconnect the boom.
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A
737-300/400/500
MAINTENANCE MANUAL
SEE G
SEE A
SEE B
SEE C
INBD
FWD
A
BC-4
SEE F
BC-3 BOOM CABLES
BOOM
SEE E INBD
BC-3 FWD
SEE D B
BOLT
Aftflap Actuating Mechanism Boom Installation Figure 401 (Sheet 1)
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A
737-300/400/500MAINTENANCE MANUAL
BOOM
BC-3 CABLES
CABLE WASHER SOCKET
BC-4
ADJUSTMENT
AND F-6
NUT
Aftflap Actuating Mechanism Boom Installation
Figure 401 (Sheet 2)
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A 737-300/400/500MAINTENANCE MANUAL
BC-1(A) BC-2(A) SEE H BC-3
BC-4
BC-1(B) BC-2(B) MIDFLAP
GATE EXHAUST G NUT WASHER (2 LOCATIONS) NUT (2 LOCATIONS) (2 LOCATIONS) BOLT PIN WASHER PLAN VIEW FWD (2 LOCATIONS) PIN INBD MECHANISM ACTUATING AFTFLAP
BOLT FWD INBD
H
Figure 401 (Sheet 3) Aftflap Actuating Mechanism Boom Installation
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A
737-300/400/500MAINTENANCE MANUAL
(c) Install the cable clamps on the boom cables where the cables go through the midflap end rib.
S 024-008
(7)
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