737-300/400/500MAINTENANCE MANUAL
 FEEL AND CENTERING UNIT - INSPECTION/CHECK
__________________________________________
 1.  General_______
 A.  This subject has one task. The task is an inspection of the feel and centering unit (which is referred to as the "centering unit"). The procedure has these parts:
 (1)
The removal of the centering unit

 (2)
An inspection of the centering unit

 (3)
The installation of the centering unit

 TASK 27-31-64-206-001
 2.  Feel and Centering Unit Wear Limits Inspection (Fig. 601)______________________________________________
 A.  Standard Tools and Equipment
 (1)
Micrometer - 0-1, 1-2 inches

 (2)
Vernier Caliper

 B.  
References

 (1)
27-31-64/401, Feel and Centering Unit

SEE  A
FWD
A
A
A
Elevator Feel and Centering Unit Wear Limits
Figure 601 (Sheet 1)

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
D
E
D E
SEEB
B
1.
 BEARING/BOLT

2.
 ROD CLEVIS/BOLT

 FWD
A-A
4. CLEVIS  BUSHING/BOLT 5. HOUSING/BEARING
5. HOUSING/  BEARING
6. BEARING/  CRANK SHAFT
3. BEARING/BOLT
6. BEARING/CRANK  SHAFT
FWD
FWD
D-D  E-E
Elevator Feel and Centering Unit Wear Limits Figure 601 (Sheet 2)
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
NO. INDEX  PART NAME  DIM.  DESIGN LIMITS  WEAR LIMITS  WORN PART REPLACE  PART WORN REPAIR  INSTR. REPAIR 
DIAMETER  DIM. WEAR MITTED PER- DIA MAX ANCE CLEAR-
MIN  MAX 
1  BEARING  ID  0.3120  0.3125  0.3155  0.0035  X 
BOLT  OD  0.3110  0.3120  0.3106  X 
2 ROD CLEVIS  ID  0.3120  0.3130  0.3160  0.0040  X  1 
BOLT  OD  0.3110  0.3120  0.3106  X 
3 BEARING  ID  0.3745  0.3750  0.3780  0.0035  X 
BOLT  OD  0.3735  0.3745  0.3731  X 
4 CLEVIS BUSHING  ID  0.3750  0.3765  0.3795  0.0050  X  2 
BOLT  OD  0.3735  0.3745  0.3731  X 
5 HOUSING  ID  1.9375  1.9385  1.9415  0.0040  X 
BEARING  OD  1.9365  1.9375  1.9360  X 
6 BEARING  ID  0.9990  1.0000  1.0025  0.0035  X 
CRANK SHAFT  OD  0.9985  0.9990  0.9965  X 

GET THE BUSHING. BORE THE HOLE TO GET 0.0002 TO 0.0013 INCH INTERFERENCE FIT (0.4379 INCH MAXIMUM). REAM THE BUSHING T0 0.3120/0.3130 INCH DIAMETER
REPLACE THE WORN BUSHING
Elevator Feel and Centering Unit Wear Limits
Figure 601 (Sheet 3)

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 C. Access
 (1)  
Location Zone
 702 Tail Compartment Access Door
 704 Tail Cone

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

 D.
Procedure

 S 026-002
 (1)  
　
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