(2)  
Tensiometer - 0-320 pound capacity

 C.
References

 (1)  
22-11-92/401, Pitch Control Wheel Steering Force Transducer

 (2)  
27-31-00/201, Elevator and Tab Control System

 (3)  
27-31-00/501, Elevator and Tab Control System

 D.
Access

 (1)  
Location Zone
 704 Tail Cone
 711 Elevator and Tab, LH
 712 Elevator and Tab, RH

 (2)  
Access Panels
 1103 Forward Access Door
 3701 Stabilizer Trim Access Door
 3801 Tail Cone Access Door, LH
 3802 Tail Cone Access Door, RH

 E.
Procedure

 S 484-016
 (1)  
Install the BAC27DCT135 marker on the two quadrants.

 S 434-017

 (2)  
If it is applicable, install the pitch transducer (5)
 (Ref 22-11-92/401).

 S 434-015

 (3)  
Install the mass balance weights on the control column.

 (a)  
Install the four bolts that hold the mass balance weights to the bracket assembly.

 S 424-018
 (4)  
Install the forward quadrants (7):

 (a)  
Hold the forward quadrant (7) in the lower nose compartment.

 (b)  
Install the rig pin E-1 in the left forward quadrant.

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 27-31-61
 ALL  ú ú 01 Page 406 ú Nov 15/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
 (c) (d) (e) (f)  Use the bubble protractor to set each control column to 6.9 | 0.8 degrees forward of a vertical line from the floor (Fig. 403).Set the control wheel at the neutral position.Move the control column inboard and at the same time engage the teeth on the connectors (13) with the mating faces on the forward quadrant (7).Install the inboard coupling (8): 1) Set the inboard coupling (8) on the forward quadrant (7). 2) Install the coupling bolts (9).
 NOTE:____  Make sure you use the correct bolt.

FWD

Figure 403
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 ALL  ú ú 01 Page 407 ú Nov 15/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 3)  Tighten the coupling bolts (9) to get a clearance of 0.03 inch at each end of the coupling clamp.
 a) b) c)  Tighten the bolts to the range of run-on torque.Tighten one bolt and the other in approximately 10 pound-inch increments until you get the clearance.The last torque should be 50-70 pound-inches.
 S 824-033
 (5)  Adjust the shims (11) below the bearing housings (10): (a) Make sure the clearance between the forward quadrant and the lower chord of the floor beam is 0.06 inch minimum through the full travel of the quadrant. (b) Make sure the total clearance (sum of the clearances of the two quadrants) between the bearing (12) and the connector (13) is 0.01-0.02 inch.
 (c)  1) Measure the clearance at one of the two quadrants with the connector against the bearing at the other quadrant.Make sure the total side play of the control column assembly is 0.01-0.03 inch.
 (d)  Make sure the outboard end of the stop on the left forward quadrant is clear of the inboard face of the bracket by 0.07-0.24 inch.
 (e)  Install the cable support fairlead to each forward quadrant.
 S 434-025
 (6)  Install the ring assembly (3) and the dust seal (4).
 S 824-026
 (7)  If it is necessary, adjust the dust cap (2) to set the edge of the dust seal (4) lightly against the dust cap.
 S 094-027
 (8)  Remove the rig pin E-1 from the forward quadrant.
 S 714-028
 (9)  Move the control column forward and aft through a full travel. (a) Make sure the control column is free to move.
 S 434-029

 (10)
 Connect the control cables EA and EB to the forward quadrant.

 (a)
Install the retainer pins.

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