S 226-003

 (2)  
Measure the body seal door parts for worn areas:

 (a)  
Remove the parts.

 (b)  
Use a micrometer or a vernier caliper to measure the parts.

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 (c)  
Compare the dimensions you measured with the permitted dimensions shown in Fig. 601 or Fig. 602.

 (d)  
Replace the parts that are not in the tolerance.

 (e)  
Install the parts.

 S 436-004
 (3)  Do this task: "Horizontal Stabilizer Body Seal Door Installation" (Ref 27-41-14/201).
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SEE A STABILIZER ACCESS
DRIVE 
FITTING  STABILIZER 
CENTER SECTION 
SLIDING BLADE  HINGE  SEE  B  (BOTTOM SURFACE) 
SEAL (LOWER)  FITTING 

HINGE FITTING
BONDING
LOWER SEAL DOOR JUMPER
(EXTENDED)
1. BOLT/BUSHING (2 LOCATIONS EACH DOOR)
1
DRIVE ROD
FWD ____THE LOWER RIGHT DOOR IS SHOWN;NOTE:
THE UPPER RIGHT DOOR AND THE  A
LOWER AND UPPER LEFT DOOR WEAR LIMITS ARE THE SAME.
1
THE BODY LUG IS BUSHED; THE DOOR LUGS ARE NOT.
Horizontal Stabilizer Body Seal Door Wear Limits Figure 601 (Sheet 1)
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DRIVE FITTING
4. ROD END/ TEFLON LINER
3. BOLT/BEARING

Horizontal Stabilizer Body Seal Door Wear Limits
Figure 601 (Sheet 2)

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747-400 MAINTENANCE MANUAL
PIVOT
CRANK
DBD
B
SEE A
C C STABILIZER A
A
ACCESS CONTROL ROD SLIDING BLADE
CONTROL MAST SEAL (HIGHER)
ROD UPPER SEAL DOOR (RETRACTED)
STABILIZER CENTER SECTION
FWD (TOP SURFACE)
NOTE:THE UPPER RIGHT DOOR IS SHOWN; THE LOWER RIGHT DOOR AND THE UPPER AND LOWER LEFT DOOR WEAR LIMITS ARE THE SAME.
A
ATTACHMENT CRANK
1.  SHAFT/BUSHING PIVOTFITTING
(2 LOCATIONS) 5.  ROD END/ TEFLON LINER
ROD END
4.  BOLT/BEARING
3.  BOLT/BUSHING (2 LOCATIONS)
2.  PIVOT/BUSHINGCRANK (2 LOCATIONS)
A-A B-B
CRANK 4. BOLT/BEARING ROD END ROD END
4.  BOLT/BEARING
MAST
7.  BOLT/MAST
5.  
ROD END/

6.  
BOLT/CRANK 5. ROD END/

TEFLON LINER
TEFLON LINER
C-C  D-D

Horizontal Stabilizer Body Seal Door Mechanism Wear Limits
Figure 602 (Sheet 1)

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