(a) The RAT strut housing is 11 1/2 degrees from the fully extended position.
S 214-033
(17)
Make sure the blade lock plunger fully engages the lock collar.
S 984-034
(18)
Manually move the RAT to the extended position.
S 984-035
(19)
Turn the turbine hub 1/2 turn to align the opposite hole in the lock collar with the blade lock plunger.
S 984-036
(20)
Manually move the RAT in the direction of the retracted position and do the checks that follow:
(a)
Make sure there is clearance between the blade lock plunger and the lock collar for this condition: 1) The RAT is 10 1/2 degrees from the fully extended position.
(b)
Make sure the blade lock plunger fully engages the lock collar when the RAT is 11 1/2 degrees from the fully extended position.
S 984-037
(21) Turn the blade lock plunger, no more than 1/2 turn, until the condition that follows is correct:
(a) The tab of the tab washer aligns with the slot in the cable end fitting.
S 434-038
(22)
Bend the tab of the tab washer to engage the slot in the cable end fitting.
(23)
Tighten the cup washer by hand, against the tab washer.
S 434-039
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MAINTENANCE MANUAL
S 434-040
(24) Crimp the cup washer on the blade lock plunger (Fig. 402).
NOTE: Make sure you can see the tab washer and it is engaged in the
____ slot of the cable end fitting, before you crimp the cup washer.
S 434-041
(25)
Connect the RAT door link (AMM 29-21-10/401).
S 434-042
(26)
Connect the RAT deployment arm to the RAT strut housing (AMM 29-21-05/401).
S 864-043
(27)
Retract the RAT (AMM 29-21-00/201).
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757 MAINTENANCE MANUAL
RAM AIR TURBINE (RAT) STRUT POSITION LIMIT SWITCH - MAINTENANCE PRACTICES
_________________________________________________________________________
1. General_______
A. This procedure contains three tasks, one to remove, one to install, and one to adjust the limit switch for the strut position of the ram air turbine (RAT).
B. This procedure replaces the limit switch without the removal of the RAT wire harness. You can also remove the limit switch with the RAT wire harness (AMM 29-21-18/401).
TASK 29-21-20-022-001
2. Remove the Limit Switch for the Ram Air Turbine (RAT)_____________________________________________________
A. References
(1) AMM 29-21-00/201, Ram Air Turbine (RAT) System
B. Access
(1)
Location Zones
198 Wing to Body - Aft Lower Half (Right)
(2)
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