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757
MAINTENANCE MANUAL

FEEL, CENTERING,
RUDDER RATIO
AND TRIM MECHANISM
CHANGER
SEE A
SEE B
RIG PIN HOLE R3
FWD
HYDRAULIC
HOSES
SEE C
FEEL, CENTERING, AND TRIM MECHANISM
A
1.
 CONTROL RODS FROM FEEL, CENTERING, AND TRIM MECHANISM

2.
 BOLT

3.
 BUSHING

4.
 WASHER

5.
 NUT

14. ANTI-ROTATION
RIG PIN HOLE R6 CLEVIS
37. RRCA
SEE D SHEAR PIN WITH
INSPECTION HOLE SUPPORT 1 CLEVIS
6. -2 LVDT
13. SUPPORT
ADJUSTMENT NUT
1
11. BOLT 7. INTERCONNECT ROD
38. WASHER
12. NUT
8.
 LVDT

9.
 LEFT VARIABLE

CRANK
MECHANISM

10. RATIO CHANGER
RIG PIN HOLE R5
FWD
RUDDER RATIO CHANGER B
1
TURN THE BARREL OF THE -3 LVDT
TO ADJUST THE LENGTH OF THE LVDT.

Rudder Ratio Changer Actuator
Figure 201 (Sheet 1)

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757
MAINTENANCE MANUAL

HYDRAULIC HOSES

RUDDER RATIO CHANGER ACTUATOR (RRCA)

Rudder Ratio Changer Actuator
Figure 201 (Sheet 2)

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757 MAINTENANCE MANUAL
 (c) the RRCA (37) from the support (13).
 NOTE: The rudder ratio changer and the rudder system
____ rigging are very sensitive to the shimming of the rudder tatio changer actuator support clevis. If the RRCA support clevis is removed to make the removal of the RRCM easier, the RRCA support clevis must be installed per AMM 27-21-12/201 (Install the Rudder Ratio Acutator Support Clevis). This can require the adjustment of the RRCA support clevis shims and system rigging.
 1)  Remove the bolt (11), nut (12) and washer (38) to disconnect the RRCA (37) from the support (13).
 S 022-016
 (4)
Remove the RRCA (37).

 G.  
RRCA Filter - Removal (Fig. 201)

 S 032-086
 (1)
Remove these components:

 (a)
the lockwire from the filter cap (31).

 (b)
the cap (31)

 (c)
the backup rings (30) and the packing (32) from the cap.

NOSE GEAR TOWING LEVER LOCKPIN
TOWING LEVER (IN THE TOW POSITION)
FWD
TOWING LEVER
SEE A TOWING LEVERA
Nose Gear Steering Isolation Figure 202
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MAINTENANCE MANUAL

 S 022-020
 (2)
Remove the filter (29) from the RRCA and do this step:

 (a)  
Remove the backup rings (27) and the packing (28) from the filter (29).

 H.
RRCA Screen - Removal (Fig. 201)

 S 032-087
 (1)  
Remove these components:

 (a)  
the lockwire from the union (17)

 (b)  
the union (17) from the RRCA

 (c)  
the packing (16) from the union (17).

 S 022-025
 (2)  
Remove the screen (20) from the RRCA.

 I.
RRCA Solenoid Valve - Removal (Fig. 201)

 S 032-088
 (1)  
Remove these components:

 (a)  
the lockwire from the screws (35)