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ALL ú ú 01 Page 203 ú Feb 10/91
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A
747-400
MAINTENANCE MANUAL
DIFFERENTIAL
CABLE MECHANISM RIG
WS2B PIN A/S-4
RIG
PIN A/S-5
CABLE
WS2A
TURNBUCKLES
TEMPERATURE
CABLE ADJUSTMENT LOAD - SPOILER SYSTEM
`F (C`)
TENSION 2
1
B
POUNDS (+10/-0)
kg (+4.5/-0)
110 (43) 118 53
90 (32) 109 49
70 (21) 100 45
50 (10) 92 42
30 (-1) 84 38
10 (-12) 75 34
-10 (-23) 67 30
-30 (-34) 59 27
-40 (-40) 53 24
1 TO MAKE SURE THE CABLE TENSION IS CORRECT, LET THE AMBIENT TEMPERATURE OF THE AIRFRAME STAY CONSTANT |5`F (|3`C) FOR A MINIMUM OF ONE HOUR.
2 YOU MUST DO THE SPOILER ADJUSTMENT IF THE CABLE TENSION IS MORE THAN |15 POUNDS (|7 kg) DIFFERENT FROM THE VALUE IN THE TABLE.
Inboard Flight Spoiler Quadrant Installation Figure 201 (Sheet 2)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
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747-400
MAINTENANCE MANUAL
C-C D-D
Inboard Flight Spoiler Quadrant Installation Figure 201 (Sheet 3)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
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747-400 MAINTENANCE MANUAL
DESIGN LIMITS WEAR LIMITS
PERMITTED MAXIMUM
DIAMETER
INDEX WEAR DIAMETERPART NAME DIM.
NO.
MINIMUM MAXIMUM DIMENSION CLEARANCE INCHES INCHES INCHES INCHES (mm) (mm) (mm) (mm)
1
QUADRANT ID 0.7498 0.7503 0.7510
ASSEMBLY (19.01) (19.06) (19.08)
BEARING OD 0.7495 0.7560 0.7495
(19.04) (19.2) (19.04)
BRACKET ID 0.3745 0.3755 0.3790
(9.512) (9.538) (9.627)
BUSHING OD 0.3740 0.3745 0.3740
(9.5) (9.512) (9.5)
BEARING ID 0.2495 0.2500 0.2500
(6.337) (6.35) (6.35)
BOLT OD 0.2485 0.2495 0.2470
(6.312) (6.337) (6.274)
LEVER ID 1.0620 1.0635 1.0685
(26.97) (27.01) (27.14)
QUADRANT OD 1.0609 1.0615 1.0559
ASSEMBLY (26.95) (26.96) (26.82)
BUSHING ID 0.2495 0.2505 0.2535
(6.337) (6.363) (6.439)
BOLT OD 0.2485 0.2495 0.2485
(6.312) (6.337) (6.312)
BRACKET ID 0.2495 0.2505 0.2555
(6.337) (6.363) (6.49)
BOLT OD 0.2485 0.2495 0.2485
(6.312) (6.337) (6.312)
QUADRANT ID 0.7488 0.7493 0.7525
ASSEMBLY (19.02) (19.04) (19.11)
BEARING OD 0.7495 0.7500 0.7495
(19.04) (19.05) (19.04)
LEVER ID 0.2495 0.2505 0.2535
(6.337) (6.363) (6.439)
BOLT OD 0.2485 0.2495 0.2485
(6.312) (6.337) (6.312)
BRACKET ID 0.2520 0.2540 0.2635
(6.401) (6.452) (6.693)
BOLT OD 0.2485 0.2495 0.2485
(6.312) (6.337) (6.312)
BRACKET ID 0.2760 0.2780 0.2880
(7.01) (7.061) (7.315)
BOLT OD 0.2485 0.2495 0.2485
(6.312) (6.337) (6.312)
0.0015 (0.0381)
0.0050
2
(0.127)
3
0.0030 (0.0762)
0.0050
4
(0.127)
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