3. Job Set-up
__________ Subtask 27-81-18-941-050
A. Safety Precautions
(1)
Put the safety barriers in position.
(2)
Put a warning notice in position to tell persons not to operate the slat system.
Subtask 27-81-18-860-050
B. Aircraft Maintenance Configuration
(1) If you replace the APPU, fully retract the slats (Ref. TASK 27-80-00-866-005).
NOTE : An APPU is self-locking and you can install it when the
____
flap/slat system is not at zero, if:
-you are to install the same APPU and its position is not changed
-there is no movement of the flap/slat system during the time the APPU is removed.
(2) Install the TOOL-ZERO LOCKING, FLAP SLAT CTL LEVER (98D27803500001) on the flap/slat control-lever.
(3) Remove the safety collar from the circuit breakers 9CV and 11CV. Subtask 27-81-18-865-050
C. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------
49VU FLIGHT CONTROLS/SLT/CTL AND MONG/SYS1 5CV B06 121VU FLIGHT CONTROLS/WTB/SLT/SYS2 11CV P19 121VU FLIGHT CONTROLS/SLT/CTL/SYS2 7CV R21 122VU FLIGHT CONTROLS/WTB/SLT/SYS1 9CV S06 Subtask 27-81-18-010-050
D. Get Access
(1)
Put the access platform in position:
-
FOR 31CV
below zone 510
-
FOR 32CV
below zone 610.
(2)
Remove the applicable access panel:
-
FOR 31CV
remove 522UB
-
FOR 32CV
remove 622UB.
4. Procedure
_________
(Ref. Fig. 401/TASK 27-81-18-991-001)
Subtask 27-81-18-020-050
A. Remove the Assymetry-Position Pick-Off Unit
CAUTION : MAKE MATCH MARKS ON ALL THE ELECTRICAL WIRES BEFORE YOU
_______ R DISCONNECT THEM. INCORRECT CONNECTION OF WIRES WILL CAUSE R DAMAGE TO EQUIPMENT.
(1)
Disconnect the plug (3) from the connector A and the plug (4) from the connector B.
(2)
Install blanking caps on the plugs (3) and (4) and the connectors A and B.
(3)
Hold the APPU (5), remove the bolts (6) and the washers (7), then disengage and remove the APPU (5).
(4)
Remove the screw (1) the washer (2) and disconnect the bonding strap (13).
(5)
Install a tie-wrap (8) behind the locking plate (11) to lock the APPU
(5) in position.
Asymmetry-Position Pick-Off Unit 31CV (32CV)
Figure 401/TASK 27-81-18-991-001
1EFF : ALL 1 27-81-18 Page 404
1 1 Feb 01/98
1 1
1CES 1
TASK 27-81-18-400-001
Installation of the Asymmetry-Position Pick-Off Unit 31CV (32CV)
WARNING : MAKE SURE THAT THE FLIGHT CONTROL SAFETY-LOCKS AND THE WARNING
_______
NOTICES ARE IN POSITION.
WARNING : MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING
_______
GEAR.
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
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