(2)  
Vernier Caliper

 B.  
References

 (1)  
AMM 06-09-06/201, Stabilizer and Elevator Access Doors and Panels

 (2)  
AMM 27-31-08/201, Outboard Elevator Power Control Package

 C.  
Access

 (1)  
Location Zone 334 Horizontal Stabilizer Rear Spar to Trailing Edge, LH 344 Horizontal Stabilizer Rear Spar to Trailing Edge, RH

 D.  
Procedure

 S 026-002
 (1)  
Do this task: "Outboard Elevator Power Control Package Removal" (AMM 27-31-08/201) to disassemble the PCP actuator to the attachment fitting.

 S 226-003

 (2)  
Measure the parts, which connect the PCP actuator to the attachment fitting, for worn areas:

 (a)  
Remove the parts.

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL

INBD A-A
Outboard Elevator Power Control Package Wear LimitsFigure 601 (Sheet 1)
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 ALL  ú ú 01 Page 602 ú Jun 10/88
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL

INDEX NO.  PART NAME  DIM.  DESIGN LIMITS  WEAR LIMITS  WORN PART REPLACE  PART WORN REPAIR  INSTR. REPAIR 
DIAMETER  WEAR DIM. PER-MITTED  MAX ANCE CLEAR-DIAM 
MIN  MAX 
1  BEARING  ID  0.2497  0.2500  0.2500  0.0019  X  42 
BOLT  OD  0.2485  0.2495  0.2481  X  3 
2  CLEVIS  ID  0.2495  0.2505  0.2510  0.0026  X 
BOLT  OD  0.2485  0.2495  0.2481  X  3 
3  BUSHING  ID  1.4396  1.4401  1.4411  0.0029  X 
BUSHING  OD  1.4382  1.4388  1.4372  X 
4  BUSHING  ID  1.2494  1.2500  1.2510  0.0025  X 
BOLT  OD  1.2485  1.2493  1.2475  X 
5  BEARING  ID  1.2495  1.2500  1.2510  0.0025  1  2 
BOLT  OD  1.2485  1.2493  1.2475  X 
6  BUSHING  ID  1.5000  1.5005  1.5015  0.0029  X 
BUSHING  OD  1.4986  1.4992  1.4976  X 
7  BUSHING  ID  1.2494  1.2500  1.2510  0.0025  X  5 
BOLT  OD  1.2485  1.2493  1.2475  X  5 

REPLACE THE BEARING WHEN THE TEFLON LINER HAS WORN 0.010 MAXIMUM RADIALLY.

THE LIMITS SHOWN ARE BEFORE THE BEARING RETENTION. NO CLEARANCE IS PERMITTED AFTER YOU SWAGE.
USE A 69-38919 SLEEVE OR AN EQUIVALENT WHEN YOU REPLACE THE BEARING.
THIS IS A CLAMP-UP JOINT. THERE IS NO PLAY AFTER YOU TIGHTEN THE BOLT.
REPLACE THE BEARING IF IT DOES NOT TURN FREELY.

THE SURFACE IS BONDED. IF THE BOND BECOMES LOOSE, BOND THE SURFACES PER BMS 5-29.

Outboard Elevator Power Control Package Wear Limits
Figure 601 (Sheet 2)

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 ALL  ú ú 01 Page 603 ú Feb 10/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 (b)  
Use a micrometer or a vernier caliper to measure the parts.

 (c)  
Compare the dimensions you measured with the permitted dimensions shown in Fig. 601.

 (d)  
Replace the parts that are not in the tolerance.

 (e)  
　
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