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747-400 MAINTENANCE MANUAL
S 426-004
(3) Do this task: "Ratio Changer Actuator Installation" (AMM 27-61-13/401).
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27-61-13
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747-400
MAINTENANCE MANUAL
8. BUSHING/BOLT
7. ACTUATOR/BOLT
6. BUSHING/BOLT
5. BRACKET/BUSHING
A-A
Inboard Flight Spoiler Ratio Changer Actuator Wear Limits Figure 601 (Sheet 1)
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747-400 MAINTENANCE MANUAL
DESIGN LIMITS WEAR LIMITS
PERMITTED MAXIMUM
DIAMETER
INDEX
WEAR DIAMETER
PART NAME DIM.
NO. MINIMUM MAXIMUM DIMENSION CLEARANCE INCHES INCHES INCHES INCHES (mm) (mm) (mm) (mm)
1
CRANK ID 0.4370 0.4380 0.4392
(11.100) (11.125) (11.155)
BUSHING OD 0.4349 0.4361 0.4339
(11.047) (11.077) (11.021)
ACTUATOR ID 0.2495 0.2500 0.2515
(6.337) (6.350) (6.388)
BOLT OD 0.2485 0.2495 0.2475
(6.312) (6.337) (6.287)
BUSHING ID 0.2495 0.2505 0.2515
(6.337) (6.363) (6.388)
BOLT OD 0.2485 0.2495 0.2476
(6.312) (6.337) (6.289)
BUSHING ID 0.2495 0.2510 0.2515
(6.337) (6.375) (6.388)
BOLT OD 0.2485 0.2495 0.2475
(6.312) (6.337) (6.287)
BRACKET ID 0.4370 0.4380 0.4392
(11.100) (11.125) (11.155)
BUSHING OD 0.4349 0.4361 0.4339
(11.047) (11.077) (11.021)
BUSHING ID 0.2495 0.2510 0.2515
(6.337) (6.375) (6.388)
BOLT OD 0.2485 (6.312) 0.2495 (6.337) 0.2475 (6.287)
ACTUATOR ID 0.2495 (6.337) 0.2500 (6.350) 0.2515 (6.388)
BOLT OD 0.2485 (6.312) 0.2495 (6.337) 0.2475 (6.287)
BUSHING ID 0.2495 (6.337) 0.2505 (6.363) 0.2515 (6.388)
BOLT OD 0.2485 0.2495 0.2475
(6.312) (6.337) (6.287)
0.0050
(0.127)
0.0040
2
(0.102)
(0.102)
(0.102)
3
0.0040
0.0040
4
5
0.0050
(0.127)
0.0040
6
(0.102)
7
0.0040
(0.102)
0.0040
8
(0.102)
REFER TO THE OVERHAUL MANUAL FOR REPAIR INFORMATION
1
REPLACE WORN PART REPAIR WORN PART REPAIR INSTR
X 1
X 1
X 1
X
X
X
X
X X 1
X X 1
X X 1
X X 1
X
Inboard Flight Spoiler Ratio Changer Actuator Wear Limits
Figure 601 (Sheet 2)
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ú Jun 18/01
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747-400 MAINTENANCE MANUAL
SPEED BRAKE CONTROL SYSTEM - DESCRIPTION AND OPERATION
______________________________________________________
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