29-21-21
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A
757
MAINTENANCE MANUAL
DEPLOYMENT
DOOR ACTUATOR
LINK
RAT STRUT TURBINE (RAT) HOUSING SEEA SEEB RAM AIR RAT
COMPARTMENT
DOOR
RAT ELECTRICAL CONNECTOR
FWD INBD
RAM AIR TURBINE (RAT)
A
BLADE LOCK
PLUNGER
TURBINE HUB RAT STRUT HOUSING BLADE LOCK PLUNGER (2 LOCATIONS) SCREW AND WASHER
RAT STRUT HOUSING
SCREW AND WASHER
(2 LOCATIONS) BLADE LOCK LIMIT SWITCH
SWITCH COVER SEE C LIMIT SWITCH
SEE DFWD
BLADE LOCK LIMIT SWITCH
FWD C
HYDRAULIC PUMP
B
RAT Blade Lock Limit Switch Installation Figure 201 (Sheet 1)
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757 MAINTENANCE MANUAL
(b) Disconnect the inline electrical connectors.
S 032-008
(7) If the limit switch does not have inline electrical connectors, do this step:
(a) Cut the two wires approximately 3.75 inches from the limit switch.
TASK 29-21-21-422-009
3. Install the Limit Switch for the Ram Air Turbine (RAT)______________________________________________________
A. Consumable Materials
(1) A00064 Sealant - RTV 732
B. References
(1) AMM 29-21-00/201, Ram Air Turbine (RAT) System
C. Access
(1)
Location Zones 198 Wing to Body - Aft Lower Half (Right)
(2)
Access Panel
198MR RAT Compartment
WIRE HARNESS
SWITCH PLATE
SWITCH
LIMIT SWITCH
SWITCH
COVER
AIRPLANES WITH INLINE ELECTRICAL CONNECTORS
RAT Blade Lock Limit Switch Installation Figure 201 (Sheet 2)
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757 MAINTENANCE MANUAL
D. Install the Limit Switch (Fig. 201)
S 162-010
(1)
Remove the sealant which stays in the hole in the strut housing.
S 422-011
(2)
Put the limit switch and the switch plate on the switch cover.
NOTE: The switch plate must be on the side of the limit switch
____
which is against the RAT strut housing.
S 422-012
(3)
Install the screws and washers which attach the limit switch and the switch plate to the switch cover.
S 432-016
(4)
Tighten the screws by hand until you adjust the switch.
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