S 422-009
(2)
Put the switch plate on the inboard side of the switch support bracket.
S 422-010
(3)
Install the screws and washers to attach the limit switch to the support bracket.
(4)
Tighten the screws by hand until you adjust the limit switch.
S 432-011
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757
MAINTENANCE MANUAL
S 432-012
(5) If the limit switch does not have inline electrical connectors, do this step:
(a) Install the electrical connectors on the wires in the wire harness and on the limit switch.
S 432-013
(6)
Connect the wires from the limit switch to the electrical connectors on the wire harness.
S 432-014
(7)
Install the heat-shrink tubing on the electrical connectors.
S 832-015
(8)
Do the Limit Switch Adjustment.
S 862-016
(9)
Retract the RAT (AMM 29-21-00/201).
TASK 29-21-20-832-028
4. Limit Switch Adjustment
_______________________
A. Equipment
(1) Protractor - Commercially Available
B. References
(1)
AMM 29-21-00/201, Ram Air Turbine (RAT) System
(2)
AMM 29-21-05/401, Ram Air Turbine (RAT) Deployment Actuator
(3)
AMM 29-21-10/401, Ram Air Turbine (RAT) Door Actuator Link
C. Access
(1)
Location Zones
198 Wing to Body - Aft Lower Half (Right)
(2)
Access Panel
198MR RAT Compartment
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D. Adjust the Limit Switch (Fig. 201)
S 862-017
(1)
If it is not in the extended position, extend the RAT
(AMM 29-21-00/201).
S 032-018
(2)
Disconnect the lower end of the RAT deployment arm from the RAT strut housing (AMM 29-21-05/401).
S 032-019
(3)
Disconnect the RAT door link from the RAT compartment door or from the RAT strut housing (AMM 29-21-10/401).
S 032-020
(4)
Disconnect the electrical connector at the top of the RAT strut housing, on the aft side.
S 982-021
(5)
Push on the end of the hydraulic pump to move the RAT in the direction of the retracted position.
S 222-022
(6)
Make sure the limit switch opens when the RAT strut housing is 15 | 1/2 degrees from the fully extended position.
NOTE: You can do a check for continuity, between the electrical
____ connector pins 6 and 7, to find when the switch opens.
S 822-023
(7) If it is necessary to adjust the limit switch, do the steps that follow:
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