S 984-031

 (12)
 Move the first officer's forward quadrant until you can easily install rig pin R-4 in the aft rig pin hole in the quadrant.

 S 224-032

 (13)
 Make sure the maximum clearance between the first officer's forward quadrant and the quadrant stop is 0.06 inch.

 NOTE: Add or remove shims if it is necessary to adjust the
____
 clearance.

 S 094-033
 (14)
 Remove rig pin R-4.

 S 494-034

 (15)
 Install rig pins R-3 and R-4 in the forward rig pin holes in the two quadrants.

 S 434-035

 (16)
 Put the adjustment shaft for the rudder pedals into the jackshaft assembly.

 (a)  
Attach the support bracket for the adjustment shaft to the structure.

 S 434-036
 (17)
 Install the adjustment shaft clamps.

 S 434-037

 (18)
 Put the rudder pedals to the neutral position with these steps:

 (a)  
Turn the adjustment crank for the rudder pedals to the fully aft position.

 (b)  
Count the number of turns while you turn the adjustment crank from the full aft position to the full forward position.

 (c)  
Turn the crank back one-half the number of turns from the full forward position, to get to the neutral position.

 (19)
 Install rig pins R-1 and R-2 in the rudder pedal arms.

 S 494-024
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737-300/400/500MAINTENANCE MANUAL
 S 434-038
 (20) With the rudder pedals in the neutral position, connect the pushrods for the rudder pedals to the forward quadrants.
 NOTE: Do the steps that follow to adjust the length of the pushrods
____
 if it is necessary.

 (a)  Loosen the jamnuts on each end of the pushrod, and turn the pushrod to get the correct length.
 NOTE: The pushrods are the correct length when the rig pin,
____
 R1, R2, R3, and R4, move freely.

 (b)  
Make sure you can see the threads on the rod ends through the inspection holes in the pushrods.

 (c)  
Tighten the jamnuts at each end of the pushrod.

 S 094-041
 (21)
 Remove rig pins R-1, R-2, and R-4.

 S 824-042

 (22)
 Remove the bolt from one end of the quadrant busrod.

 S 824-058

 (23)
 Turn the busrod two full turns to make it shorter.

 S 824-062

 (24)
 Make sure you can see the threads of the two rod ends through the holes in the busrod.

 S 824-059

 (25)
 Install the bolt to connect the busrod to the forward quadrant.

 S 434-043

 (26)
 Attach the rudder cables to the forward quadrants.

 (27)
 Tighten the turnbuckles until cables RA and RB are not loose.

 (28)
 Remove rig pin R3.

 S 824-044

 (29)
 Adjust the rudder cables RA and RB to the tension shown in Table I (Fig. 402).

 S 824-060
 S 094-061
 NOTE: Make sure you can easily install rig pin R-3 while you adjust
____
 the cables.

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 S 824-045
 (30)
 With rig pin R3 installed, make sure you can easily install rig pin R4. If you cannot easily install rig pins R-4, do these steps to change the length of the busrod:

 (a)  
Release the tension in cables RA and RB.

 (b)  
Remove the bolt at one rod end of the busrod.

 (c)  
Adjust the busrod.

 (d)  
Install the busrod with the bolt, spacers, washers, nut, and cotter pin.
　
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