(d)  
Install the crossbolts, with the washers and the self-locking nuts to install the crank. 1) Make sure you install the crank with the spur directed as

 shown on Fig. 202. 2) If it is necessary, use the shaft washer to decrease the axial play to less than 0.016 inch (0.41 millimeter).

 (e)  
Install the bolts, the washers, the nuts and the cotter pins to install the two link rods.

 (f)  
Tighten the nuts to 20-25 pound-inches (2.3-2.8 newton-meters). 1) If it is necessary to install the cotter pin, loosen the nut to the next slot.

 2)  Use the bell washers at the two ends of the mast-to-crank control rod.

 (g)  
Adjust the links with the drain holes pointed down.

 (3)  
Set the STAB TRIM 2 and 3 switches to ON.

 S 862-074
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 S 862-075
 (4)
Remove the DO-NOT-CLOSE tags and close these circuit breakers:

 (a)  
P7, Overhead Circuit Breaker Panel
 1) 7E7, STAB TRIM L S/O VLV
 2) 7E20, STAB TRIM R S/O VLV

 S 832-036
 (5)  
Do this task: "Adjustment - Horizontal Stabilizer Body Seal Door Mechanism" (Ref paragraph 6.).

 S 712-079

 (6)  
Do this task: "Operational Test - Horizontal Stabilizer Body Seal Door" (Ref paragraph 7.).

 TASK 27-41-14-802-037
 6.  Adjustment - Horizontal Stabilizer Body Seal Door Mechanism (Fig. 203, 204)___________________________________________________________
 A. Standard Tools and Equipment
 (1)  
Air Blower - explosion proof, 90-100 CFM capacity

 (2)  
Hose - flexible, sufficient length to reach stabilizer area

 B.
References

 (1)  
AMM 06-09-05/201, Body Section 48 Access Doors and Panels

 (2)  
AMM 24-22-00/201, Manual Control

 (3)  
AMM 29-11-00/201, Main Hydraulic Supply System

 C.
Access

 (1)  
Location Zone
 313 Stabilizer Torsion Box Compartment, LH
 314 Stabilizer Torsion Box Compartment, RH

 (2)  
Access Panel 312A Horizontal Stabilizer Jackscrew Access Door 315A Access Door

 D.
Prepare for Adjustment

 (1)  
Open these access doors 312A and 315A (AMM 06-09-05/201).

 (2)
Do this task: "Supply Electrical Power" (AMM 24-22-00/201).

 (3)
Do this task: "Supply Hydraulic Power" (AMM 29-11-00/201).

 S 862-042

 (4)  
Use the STAB TRIM ALTN switches to set the stabilizer to the neutral position (3 units of trim).

 (5)  
Set the STAB TRIM 2 and 3 switches to CUTOUT.

 S 012-038
 S 432-039
 S 862-040
 S 862-043
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TABLE I

TABLE II

THE RANGES SHOWN ARE MINIMUMS TO MAKE SURE THAT THE DOORS ARE CLOSED WHEN THE DOOR OPENINGS ARE EXPOSED BY BLADE SEALS.
THE ANGLES ARE MEASURED FROM THE HORIZONTAL LINE OF THE DOOR ROD END. AIRPLANES WITH UPPER SEAL DOORS AND THEIR MECHANISM (FIG. 202)
Stabilizer Door Link Rod Dimensions
Figure 203

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747-400
MAINTENANCE MANUAL
　
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