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 5)  Do a check to make sure Dimension C is correct after you tighten the locknut.
 6)  When Dimension C is correct with the locknut tightened, do the step that follows: a) Bend up the tabs on the key lockwasher against the
 flats on the locknut.
 S 835-008
 (7)  SPEED SENSORS WITH A SHIM; Do the steps that follow to adjust the speed sensor (Fig. 502):
 (a)  
Measure Dimensions A and B (as shown in View C).

 (b)  
Calculate Dimension C (as shown in View C).

 (c)  
Measure Dimension D (as shown in View D).

 (d)  
Calculate the shim thickness, Dimension E (as shown in View D).

 (e)  
Install a shim with the correct thickness, Dimension E, on the speed sensor.

 S 435-009
 (8)  Install the screws to attach the speed sensor to the RAT strut housing and tighten the screws as follows:
 (a)  Tighten the screws to 19-21 pound-inches.
 S 215-010
 (9)  Slowly turn the hub to make sure there is sufficient clearance between the speed sensor gear and speed sensor.
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757
MAINTENANCE MANUAL

 S 835-011
 (10)
 If the speed sensor touches the speed sensor gear, do the adjustment for the speed sensor again.

 S 435-012

 (11)
 Install the screws to attach the speed sensor cover to the RAT strut housing and tighten the screws as follows:

 (a) Tighten the screws to 32-36 pound-inches.
 S 625-013
 (12)
 Apply the sealant at the speed sensor wire to fill the groove in the RAT strut housing.

 S 715-014

 (13)
 Do the test for the RAT tachometer (AMM 29-21-00/501).

 S 865-015

 (14)
 Retract the RAT (AMM 29-21-00/201).

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757 MAINTENANCE MANUAL
 RAM AIR TURBINE (RAT) STOWED LIMIT SWITCH - MAINTENANCE PRACTICES
_________________________________________________________________
 1.  General_______
 A.  This procedure contains three tasks, one to remove, one install, and one to adjust the limit switch for the stowed position of the ram air turbine (RAT).
 TASK 29-21-17-022-001
 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)  
Access Panel
 198MR RAT Compartment

 

 C.  Remove the Limit Switch (Fig. 201)
 S 862-002
 (1)
Extend the RAT (AMM 29-21-00/201).

 S 032-003

 (2)
Disconnect the electrical wires at the nearest splice.
　
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