ELEVATOR INDEX PLATE (LEFT SIDE SHOWN, RIGHT SIDE IS OPPOSITE)
C
B
Elevator Position Indicating System Adjustment Figure 503
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MAINTENANCE MANUAL
DVM
SIG SIG
HI LO TRANSMITTER
CONNECTOR
A27063-2 BREAKOUT BOX PROCEDURE 1
AIRPLANE CONNECTOR SIG HI SIG LO DVM NO. 1 CONNECTOR TRANSMITTER
LEGEND
DVM - DIGITAL VOLTMETER
PROCEDURE 2 ____ IF ONLY ONE DVM IS AVAILABLE,
NOTE: FIRST CONNECT THE DVM AT THE POSITION SHOWN FOR DVM NO. 2 THEN CONNECT THE DVM TO THE POSITION SHOWN FOR DVM NO. 1
Elevator Position Transmitter Adjustment Figure 504
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MAINTENANCE MANUAL
S 715-001
(5)
Do the steps that follow to make sure the elevator position indicators operate correctly:
(a)
Make sure the stabilizer is at 6 units of trim (neutral position) on the stabilizer position indicators, on the control stand panel, P10.
NOTE: use a tolerance of +/- one-half and arrow width.
____
(b)
Move the control column around its neutral position to make sure it is in the center.
(c)
Make sure that the elevator positon indicators on the EICAS display are as follows: 1) Approximately align with the middle EICAS tick mark. 2) Less than one-half the height of an indicator arrow away
from each other.
(d)
Push the captain's control column to the forward stop.
(e)
Make sure that the elevator position indicators on the EICAS display move down together to the full travel tick mark.
NOTE: At full elevator travel, the indicator arrows must go to
____ and be seen at the full travel tick mark.
(f)
Pull the captain's control column to the aft stop.
(g)
Make sure that the elevator position indicators on the EICAS display move up together to the full travel tick mark.
NOTE: At full elevator travel, the indicator arrows must go to
____ and be seen at the the full travel tick mark.
(h)
Let the captain's control column go to the neutral position.
(i)
Make sure that the elevator positon indicators on the EICAS display are as follows: 1) Approximately align with the middle EICAS tick mark. 2) Less than one-half the height of an indicator arrow away
from each other.
S 865-007
(6)
Remove the power from the left, right, and center hydraulic systems (Ref 29-11-00).
(7)
Remove electrical power (Ref 24-22-00).
S 865-008
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TASK 27-38-00-825-009
3. Adjustment - Elevator Position Indicating System
________________________________________________
A. General
(1)
This procedure contains steps to adjust the position indicating system for the elevator. When adjusted correctly, the system will operate smoothly through its travel range. With the horizontal stabilizer at its rigged position, the elevator position transmitter is adjusted correctly if the elevator position indicators follow the movement of the elevators correctly.
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