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757 MAINTENANCE MANUAL
 RAM AIR TURBINE (RAT) - SERVICING
_________________________________
 1.  General
_______
 A.  This procedure has one task. This task lubricates the ram air turbine (RAT).
 TASK 12-21-30-643-001
 2.  Lubricate the Ram Air Turbine (RAT) (Fig. 301)
______________________________________________
 A. Consumable Materials ú (1) D00633 Grease - BMS 3-33 (Recommended) ú (2) D00013 Grease, MIL-G-23827 (Alternative)
 B.  References
 (1) 29-21-00/201, Ram Air Turbine (RAT) System
 C.  Access
 (1)  Location Zone 198 Wing to Body - Aft Lower Half (Right)
 D.  Procedure
 S 863-002
 (1) 
Extend the ram air turbine (RAT) (Ref 29-21-00).
S 643-003
 (2) 
Lubricate the bearings and bushings as shown.
 (3) 
Remove the unwanted grease.
 (4) 
Retract the ram air turbine (RAT) (Ref 29-21-00).
 S 163-005
 S 863-004
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757 
MAINTENANCE MANUAL
SUPPORT FITTING  
FOR THE DEPLOYMENT  
ACTUATOR  
SEE  B  SHT 2  
COMPARTMENT FOR THE  
RAM AIR TURBINE (RAT)  
SEE  A  FWD  
DEPLOYMENT  
ACTUATOR  
SUPPORT  
FRAME  
SEE  C  SHT 2 
RAT STRUT 
DOOR LINK SEE D SHT 3 
FWD 
RAT COMPARTMENT DOOR 
COMPARTMENT FOR THE 
RAM AIR TURBINE (RAT)
A 
Ram Air Turbine (RAT) Lubrication Figure 301 (Sheet 1) 
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
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757 
MAINTENANCE MANUAL
DEPLOYMENT 
ACTUATOR ZERK 
BMS 3-33 (1 LOCATION) 
STRUT PIVOT ZERK 
BMS 3-33 (2 LOCATIONS) 
SUPPORT FRAME 
TOP OF DEPLOYMENT ACTUATOR 
(BOTTOM VIEW) 
1 POINT
DEPLOYMENT 
ACTUATOR
B 
DEPLOYMENT 
ACTUATOR 
ZERK
BMS 3-33 
RAT STRUT (1 LOCATION) 
BOTTOM OF DEPLOYMENT ACTUATOR 
(BOTTOM VIEW) 
3 POINTS
C 
Ram Air Turbine (RAT) Lubrication 
Figure 301 (Sheet 2)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
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MAINTENANCE MANUAL
DOOR LINK ZERK 
BMS 3-33 (2 LOCATIONS) 
DOOR LINK (BOTTOM VIEW) 2 POINTS 
D 
Ram Air Turbine (RAT) Lubrication
Figure 301 (Sheet 3)
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