B.
Access
(1)
Location Zone
216 Main Wheel Well, LH
406 Main Wheel Well, RH
C.
Do a Check of the Power Control Unit Linkage
S 026-001
(1)
Do this task: "Aileron Power Control Unit Linkage Removal" (Ref 27-11-14/401).
S 226-002
(2)
Do a check of the linkage (Fig. 601):
(a)
Remove the parts to be examined.
(b)
Measure the dimensions of these parts.
(c)
Compare the part dimensions to the limit dimensions.
(d)
If the part dimension is out of tolerance, replace the part.
(e)
Install all the parts removed to do the check.
S 426-003
(3) Do this task: "Aileron Power Control Unit Linkage Installation" (AMM 27-11-14/401).
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500
MAINTENANCE MANUAL
SEE A
AILERON POWER CONTROL UNIT (SYSTEM B)
C
B
CONTROL UNIT
ATTACH BOLT
A B
A
AILERON POWER CONTROL UNIT (SYSTEM A)
C
REACTION FWD INBD LINKS
VALVE CONTROL ROD (2 LOCATIONS)
A
Aileron Power Control Unit Linkage Wear Limits Figure 601 (Sheet 1)
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
(2 LOCATIONS) 6. BUSHING/BUSHING
2. BUSHING/BOLT 3. LINK/SPACER
1. BUSHING/BOLT 4. SPACER/BOLT 5. ROD/BOLT
A-A B-B
7. BEARING/SHAFT
8. BEARING/SHAFT 11. BEARING/BOLT 10. LEVER/BEARING 9. REACTION LINK/BEARING
13. BEARING/SHAFT 12. REACTION LINK/BEARING
15. BEARING/SHAFT 14. SUPPORT/BEARING
13. BEARING/SHAFT 15. BEARING/SHAFT 12. REACTION LINK/BEARING 14. SUPPORT/BEARING
11. BEARING/BOLT 10. LEVER/BEARING
8. BEARING/SHAFT 9. REACTION LINK/BEARING
7. BEARING/SHAFT
C-C Figure 601 (Sheet 2) Aileron Power Control Unit Linkage Wear Limits
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27-11-14
ALL ú ú 01 Page 603 ú Mar 15/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
NO. INDEX PART NAME DIM. DESIGN LIMITS WEAR LIMITS PART WORN REPLACE PART WORN REPAIR INSTR REPAIR
DIAMETER PER-MITTED WEAR DIM. ANCE CLEAR-MAX DIA
MIN MAX
1 BUSHING ID 0.6245 0.6250 0.6250 0.0017
BOLT OD 0.6237 0.6242 0.6233 X X X
2 BUSHING ID 0.6245 0.6250 0.6250 0.0017 X
BOLT OD 0.6237 0.6242 0.6233 X
3 LINK ID 0.3906 0.3940 0.3940 0.0290 X
SPACER OD 0.3650 0.3850 0.3850 X
4 SPACER ID 0.2560 0.2970 0.2970 0.0485 X
BOLT OD 0.2485 0.2495 0.2485 X
5 ROD ID 0.3120 0.3130 0.3135 0.0030 X
BOLT OD 0.3110 0.3120 0.3105 X
6 BUSHING ID 0.0000 1.0005 1.0015 0.0030 X
BUSHING OD 0.9990 0.9995 0.9985 X
7 BEARING ID 0.7495 0.7500 0.7500 1 0.0020 X
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