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ELEVATOR FEEL AND CENTERING UNIT - INSPECTION/CHECK
1. General
A. This procedure contains this task:
(1) Elevator Feel and Centering Unit Inspection
(a) This task supplies the data for a dimensional inspection of the elevator feel and centering
unit.
(b) This task does not remove or install the elevator feel and centering unit, refer to the
Elevator Feel and Centering Unit - Removal/Installation for procedures to remove and
install the elevator feel and centering unit.
TASK 27-31-64-200-801
2. Elevator Feel and Centering Unit Inspection
(Figure 601)
A. General
(1) This procedure gives wear limits and repair data for the elevator feel and centering unit.
B. References
Reference Title
27-31-64-400-801 Elevator Feel and Centering Unit Installation (P/B 401)
C. Tools/Equipment
Reference Description
STD-1096 Micrometer - Depth, 0-1 Inch, Readable to 1/1000 Inch
STD-1097 Caliper - Vernier, 0-6 Inch, Readable to 1/1000 Inch
D. Location Zones
Zone Area
317 Tail Cone Compartment - Left
318 Tail Cone Compartment - Right
E. Procedure
SUBTASK 27-31-64-020-005
(1) Use these tools to check for wear on the parts of the elevator feel and centering unit connections:
(a) micrometer (0-1 Inch, readable to 1/1000 Inch), STD-1096
(b) readable to 1/1000 inch vernier 0 - 6 inch caliper, STD-1097.
SUBTASK 27-31-64-020-006
(2) Examine the parts of the elevator feel and centering unit connections for worn areas:
(a) Remove the parts to be checked.
(b) Measure the parts, as necessary, with a micrometer (0-1 Inch, readable to 1/1000 Inch),
STD-1096 or a readable to 1/1000 inch vernier 0 - 6 inch caliper, STD-1097.
(c) Compare the dimensions you measured with the permitted wear dimensions that follow.
(d) If the parts are not in the tolerance, replace or repair the part, as required.
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Table 601/27-31-64-993-801
NAME OF THE PARTS
THAT ARE IN CONTACT
DIM.
DIAMETER DESIGN LIMITS WEAR LIMITS
MINIMUM
inches/mm
MAXIMUM
inches/mm
PERMITTED
MAXIMUM I.D./
MINIMUM O.D. OF
WORN PART
MAXIMUM
SERVICE
DIAMETRIC
CLEARANCE
#1 BEARING I.D. 0.3120 in 0.3125 in 0.3155 in
7.925 mm 7.938 mm 8.014 mm 0.0035 in
#1 BOLT O.D. 0.3110 in 0.3120 in 0.3106 in 0.089 mm
7.899 mm 7.925 mm 7.889 mm
#2 OUTPUT ROD I.D. 0.3120 in 0.3130 in 0.3160 in
7.925 mm 7.950 mm 8.026 mm 0.0040 in
#2 BOLT O.D. 0.3110 in 0.3120 in 0.3106 in 0.102 mm
7.899 mm 7.925 mm 7.889 mm
SUBTASK 27-31-64-020-007
(3) Install the elevator feel and centering unit. To install it, do this task: Elevator Feel and Centering
Unit Installation, TASK 27-31-64-400-801.
------------------------- END OF TASK ---------------------------
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Elevator Feel and Centering Unit Wear Limits
Figure 601 (Sheet 1 of 2)/27-31-64-990-802
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Elevator Feel and Centering Unit Wear Limits
Figure 601 (Sheet 2 of 2)/27-31-64-990-802
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ELEVATOR FEEL ACTUATOR - REMOVAL/INSTALLATION
1. General
A. This procedure has these tasks:
(1) A removal of the elevator feel actuator
(2) An installation of the elevator feel actuator.
B. The elevator feel actuator is installed below the elevator feel and centering unit.
TASK 27-31-67-000-801
2. Elevator Feel Actuator Removal
(Figure 401)
A. References
Reference Title
27-31-00-800-802 Remove Pressure from the Elevator Hydraulic Systems A and B
(P/B 201)
B. Tools/Equipment
NOTE: When more than one tool part number is listed under the same "Reference" number, the
tools shown are alternates to each other within the same airplane series. Tool part numbers
that are replaced or non-procurable are preceded by "Opt:", which stands for Optional.
Reference Description
　
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