(7)
Put a container in position below the Power Control Unit (PCU) (1).
4. Procedure
_________
(Ref. Fig. 401/TASK 27-84-51-991-001, 402/TASK 27-84-51-991-002)
Subtask 27-84-51-020-050
A. Removal of the Power Control Unit CAUTION : USE A SECOND WRENCH TO APPLY COUNTERTORQUE TO THE UNION WHEN
_______ YOU DISCONNECT/CONNECT HYDRAULIC LINES ON UNIONS. IF YOU USE THE SECOND WRENCH, YOU WILL NOT LOOSEN OR TIGHTEN THE UNION TOO MUCH.
(1)
Disconnect the torque shaft 6002CM (11) as follows:
(a)
Move the spring (15) and remove the pin (14).
(b)
Remove the nuts (13) and the bolts (12) which connect the torque shaft (11) to the input universal joint (10) of the PCU (1).
(c)
Disconnect the torque shaft (11) from the input universal joint (10).
(d)
Remove the input universal joint (10) from the PCU (1).
(2)
Prepare the PCU (1) for removal as follows:
(a)
Disconnect the hydraulic lines (50).
(b)
Remove the tie wraps (41) and disconnect the seal drain lines (40).
(c)
Disconnect the case drain lines (59) and (60).
(d)
Install blanking caps on the open line ends (50).
(e)
Install the blanking plugs in the ports of the PCU (1).
(f)
Disconnect the electrical connectors 26CV-A, 28CV-A, 28CV-B, 25CV-A, 4CN-B and 4CN-A.
(g)
Put blanking caps on the disconnected electrical connectors.
(h)
Disconnect the electrical leads from the clamps which connect them to the PCU (1).
(i)
Remove and discard the cotter pins (20).
(j)
Remove the nut (18) and the washer (19) from the bolt (16) which connects the PCU (1) to the attachment rod assembly (22).
(k)
Remove the nut (18) and the washer (19) from the bolt (26) which connects the PCU (1) to the adjustable rod assembly (23).
(l)
Cut, remove and discard the lockwire from the nut (6).
(m)
Remove the nut (6), the washer (5) and the bolt (28).
(n)
Remove the nut (4) and the washer (3) from the attachment bolt (27).
(o)
Remove the screw (7), the washer (8) and the bonding jumper (9).
(3)
Hold the PCU (1) so that it can not fall. NOTE : The PCU weighs approximately 20 kg (44.0924 lb).
Power Control Unit Figure 401/TASK 27-84-51-991-001
1EFF : 1 1R 1CES ALL 1 11 1 27-84-51 Page 405 May 01/03
PCU-Slats Electrical and Hydraulic Connections Figure 402/TASK 27-84-51-991-002
1EFF : 1 1R 1CES ALL 1 11 1 27-84-51 Page 406 May 01/03
____
1EFF : ALL 1 27-84-51Page 407 1 1 May 01/03R 1 1 1CES 1
(4)
Remove the bolt (16) and the bush (17) from the attachment rod assembly (22).
(5)
Remove the bolt (26) and the bush (25) from the adjustable rod assembly (23).
(6)
Remove the attachment bolt (27) and the bush (2).
(7)
Remove the PCU (1).
1EFF : ALL 1 27-84-51Page 408 1 1 May 01/03R 1 1 1CES 1
TASK 27-84-51-400-001
Installation of the Power Control Unit 6001CM of the Slat System
WARNING : MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING
_______
GEAR.
WARNING : MAKE SURE THAT THE TRAVEL RANGES OF THE FLIGHT CONTROL SURFACES ARE
_______
CLEAR BEFORE YOU PRESSURIZE/DEPRESSURIZE A HYDRAULIC SYSTEM.
WARNING : PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU
_______
START A TASK ON OR NEAR:
-
THE FLIGHT CONTROLS
-
THE FLIGHT CONTROL SURFACES
-
THE LANDING GEAR AND THE RELATED DOORS
-COMPONENTS THAT MOVE.
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific container
No specific tie wraps
No specific warning notice
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