S 864-004

 (3)  
Remove the screws that attach the wire harness clamps to the RAT strut housing.

 S 864-005

 (4)  
Remove the wire harness clamps.

 S 864-006

 (5)  
If the wire harness attaches to the cable, for the blade lock plunger, with Y-shaped boots, do this step:

 (a)  Carefully cut the Y-shaped boot from the wire harness and the cable for the blade lock plunger.
 S 864-007
 (6)  If the wire harness attaches to the cable, for the blade lock plunger, with tie-wrap straps, do this step:
 (a)  Cut and remove the tie-wrap straps from the wire harness and the cable for the blade lock plunger.
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 29-21-19
 ALL  ú ú 01 Page 401 ú Sep 28/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

757
MAINTENANCE MANUAL

OUTBOARD 
SWIVEL 
VALVE 
SEE  C 
RAM AIR 
TURBINE 
(RAT) 
SEE  A  CABLE FOR THE BLADE 
LOCK PLUNGER AND THE 
WIRE HARNESS 
SEE  D 
RAT STRUT 
HOUSING 
BLADE LOCK 
PLUNGER 
SEE  B 
RAT STRUT 
HOUSING 

TURBINE HUB
PLUNGER SPRING  FWD OUTBD 
FWD 
BLADE LOCK PLUNGER  RAM AIR TURBINE  (RAT) 
A 
BLADE LO CK  PLUNGER 
B 

RAT Blade Lock Plunger and Cable Installation
Figure 401 (Sheet 1)

EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 29-21-19
 ALL  ú ú 01 Page 402 ú May 28/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

757
MAINTENANCE MANUAL

VALVE SWIVEL OUTBOARD  SEE D AND THE WIRE HARNESS CABLE FOR THE BLADE LOCK 
PLUNGER CABLE BLADE LOCK 

OUTBD HOUSING RAT STRUT C OUTBOARD SWIVEL VALVE FWD  BOOT Y-SHAPED 1  HARNESS WIRE 
(4 LOCATIONS) SCREW  WIRE HARNESS CLAMP (2 LOCATIONS) 
1 Y-SHAPED BOOT  (4 LOCATIONS) THE WIRE HARNESS TIE-WRAP STRAP FOR 1 

CABLE FOR THE BLADE LOCK AND THE WIRE HARNESS 1
IF Y-SHAPED BOOTS ARE INSTALLED, REPLACE
D
WITH THE TIE-WRAP STRAPS WHEN YOU INSTALL
THE WIRE HARNESS

RAT Blade Lock Plunger and Cable Installation Figure 401 (Sheet 2)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 29-21-19
 ALL  ú ú 01 Page 403 ú May 28/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

757
MAINTENANCE MANUAL

 S 034-008
 CAUTION: DO NOT CAUSE DAMAGE TO THE THREADS OF THE BLADE LOCK PLUNGER
_______ WHEN YOU USE A FILE ON THE CUP WASHER. IF YOU CAUSE DAMAGE TO THE THREADS OF THE BLADE LOCK PLUNGER, YOU MUST REPLACE IT.
 (7)  Use a file to remove material from the crimped surface of the cup washer until this condition is correct:
　
中國航空網 m.k6050.com
航空翻譯 www.aviation.cn
本文鏈接地址：757 AMM 飛機維護手冊 液壓 CHAPTER 29 - HYDRAULIC POWER 2(107)