S 434-022
(4)
Install the two control rods that connect the neutral shift
mechanism to the feel and centering unit.
S 094-023
(5)
Remove rig pins E/ST7 and E/ST10.
S 864-024
(6)
Remove the DO-NOT-CLOSE tags and close these circuit breakers on the overhead panel, P11:
(a)
11B19, STAB TRIM ALT (IF INSTALLED)
(b)
11C12, STAB TRIM SHUTOFF LEFT
(c)
11C13, STAB TRIM SHUTOFF RIGHT
(d)
11H11 or 11C05, STAB TRIM CONT L
(e)
11H17, FLT CONT SHUTOFF TAIL LEFT
(f)
11H18, FLT CONT SHUTOFF TAIL CTR
(g)
11H28, FLT CONT SHUTOFF TAIL RIGHT
(h)
11H20, STAB TRIM CONT R
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MAINTENANCE MANUAL
S 864-025
(7)
Put the RIGHT and CENTER STAB TRIM SHUTOFF valve switches on the control stand panel, P10, to the NORM position.
S 864-026
(8)
Put the L, R and C FLT CONTROL SHUTOFF switches on the right side panel, P61, to the ON position.
S 714-027
(9)
Do the test for the neutral shift and override mechanism
(Ref 27-31-00).
S 824-028
(10)
Do the adjustment for the mechanical linkages on the feel and centering unit, if it is necessary (Ref 27-31-00).
D.
Put the Airplane Back to Its Usual Condition
S 864-029
(1)
Remove electrical power if it is not necessary (Ref 24-22-00).
S 414-030
(2)
Close the access door for the forward stabilizer compartment, 311AL (Ref 06-42-00).
S 414-031
(3)
Close the access door for the neutral shift and override mechanism, 313AL (Ref 06-42-00).
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ELEVATOR NEUTRAL SHIFT AND OVERRIDE MECHANISM - INSPECTION/CHECK
________________________________________________________________
1. General_______
A. This procedure only has illustrations and a wear limit table which show the data for wear limits. There are no procedures for access, removal, or installation of the parts. Refer to Elevator Neutral Shift and Override Mechanism - Removal/Installation for procedures to do these tasks.
TASK 27-31-21-226-001
2. Wear Limits for the Elevator Neutral Shift and Override Mechanism (Fig. 601)_________________________________________________________________
A. Access
(1)
Location Zones 313/314 Stabilizer Center Section Compartment
(2)
Access Panel
313AL Neutral Shift and Override Mechanism
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757 MAINTENANCE MANUAL
CAPTAIN'S AFT QUADRANT
FIRST OFFICER'S AFT QUADRANT NEUTRAL SHIFT AND OVERRIDE MECHANISM SEE B
ELEVATOR AFT MECHANISM
SEE A
ELEVATOR FEEL AND CENTERING UNIT
TORQUE BOX FOR
FWD THE AFT MECHANISM
ELEVATOR AFT MECHANISM
A
C
A A
C
D
B
B
FWD
D
INBDNEUTRAL SHIFT AND OVERRIDE MECHANISM B Wear Limits for the Elevator Neutral Shift and Override Mechanism Figure 601 (Sheet 1)
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