(c)
Remove the cable guard (4).
(d)
Remove the screw that attaches the cables BC-3 and BC-4 to the cable drum (1).
(e)
Remove the cables BC-3 and BC-4.
S 864-006
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A
737-300/400/500
MAINTENANCE MANUAL
SEE A
SEE B
SEE D
SEE C
FWD
FOREFLAP
FWD TORQUE TUBE
A
POINT "A"
2. PULLEY
BC-1(A) BC-2(A) 1. CABLE BC-3
DRUM
BC-4
BC-1(B) BC-2(B) POINT "B"
MIDFLAP
FWD AFTFLAP
EXHAUST B
INBD GATE
Aftflap Actuating Mechanism Boom Cables Installation
Figure 401 (Sheet 1)
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A
737-300/400/500MAINTENANCE MANUAL
2. PULLEY POINT "A" BC-31. CABLE
BOOM DRUM
A CABLES
BC-4
POINT "B"
BOOM ROLLER
RIG PINS F-5 AND F-6
A G
11. CAM ROLLER 4. CABLE
C
0.42 |0.03
GUARD INCH
BC-4
3. PULLEY SEE FBOOM
CABLES BC-3
5.
PULLEY
6.
PULLEY
8. BOOM
9. PULLEY INBD
SEE G BC-3
FWD SEE E
D
WASHERBC-4
SPACER BC-3 WASHER
10. CABLE 7. CABLE CABLE SOCKET
ADJUSTMENT CABLE SOCKET ADJUSTMENT
NUT E NUT F
Aftflap Actuating Mechanism Boom Cables Installation
Figure 401 (Sheet 2)
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A
737-300/400/500MAINTENANCE MANUAL
TASK 27-51-24-404-008
3. Aftflap Actuating Mechanism Boom Cables Installation (Fig. 401)____________________________________________________
A. Special Tools and Equipment
(1) Rig Pins (F-5 and F-6) - 0.248 +0.000/-0.002 inch diameter, 3.7 |0.25 inches long (MS20392-3)
NOTE: The rig pins are a part of the kit F70207-69, -78, or -83.
____
B. Consumable Materials
(1) D00633 Grease - BMS 3-33 (Recommended)
FWD
A-A
Aftflap Actuating Mechanism Boom Cables Installation
Figure 401 (Sheet 3)
K78146
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C.
D.
E.
A
737-300/400/500MAINTENANCE MANUAL
(2)
D00013 Grease - MIL-G-23827 (Alternate)References
(1)
AMM 27-51-00/201, Trailing Edge Flap System
(2)
AMM 27-51-32/401, Inboard Flap Track FairingAccess
(1) Location Zone
309, 409 Wing Trailing Edge Inboard Flap and Spoilers
(2) Access Panels
8403, 8404 Aftflap Clutch & Drive Mechanism (left side)
8503, 8504 Aftflap Clutch & Drive Mechanism (right side)
Procedure
S 424-009
(1)
Install the cable BC-3:
(a)
Make sure the aftflap is in the fully extended position.
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