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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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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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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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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