D. Aircraft Maintenance Configuration
(1)
Make sure that the Yellow hydraulic system is depressurized and put it in the maintenance configuration. (Ref. TASK 29-00-00-864-001).
(2)
Depressurize the reservoir of the Yellow hydraulic system (Ref. TASK 29-14-00-614-001).
(3)
Disconnect the isolation coupling of the Power Transfer Unit (PTU) (Ref. TASK 29-23-00-860-001).
(4)
Put a container below the reservoir.
(5)
Drain the reservoir of the Yellow hydraulic system (Ref. TASK 29-10-00-680-002).
4. Procedure
_________
**ON A/C 001-003, 051-054,
(Ref. Fig. 401/TASK 29-13-41-991-003) R **ON A/C 004-049, 055-099, 101-149, 151-199, 201-299, 301-399, 401-499,
(Ref. Fig. 401A/TASK 29-13-41-991-003-A)
**ON A/C 001-003, 051-054,
(Ref. Fig. 402/TASK 29-13-41-991-004)
Reservoir of the Yellow Hydraulic System (Sheet 1)
Figure 401/TASK 29-13-41-991-003
R 1EFF : 001-003, 051-054, 1 29-13-41Page 404 1 1 May 01/05 1 1 1CES 1
Reservoir of the Yellow Hydraulic System (Sheet 1)
Figure 401A/TASK 29-13-41-991-003-A
R 1EFF : 004-049, 055-099, 101-149, 151-199, 1 29-13-41Page 405 1201-299, 301-399, 401-499, 1Aug 01/05 1 1 1CES 1
Reservoir of the Yellow Hydraulic System (Sheet 2)
Figure 402/TASK 29-13-41-991-004
R 1EFF : 001-003, 051-054, 1 29-13-41Page 406 1 1 May 01/05 1 1 1CES 1R **ON A/C 004-049, 055-099, 101-149, 151-199, 201-299, 301-399, 401-499,
(Ref. Fig. 402A/TASK 29-13-41-991-004-A)
**ON A/C ALL
Subtask 29-13-41-020-054
A. Removal of the Reservoir 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 electrical connectors (2),(7),(33).
(2)
Install the blanking caps on the electrical connectors and on the electrical receptacles on the reservoir (1).
(3)
Temporarily attach the electrical leads to the aircraft structure.
(4)
Remove the nut (30), the bolt (26) and the washer (29) and disconnect the bonding jumpers (27),(28) from the reservoir (1).
(5)
Loosen the union nut (36) and disconnect the air pipe (37) from the reservoir (1).
(6)
Loosen the union nut (38) and remove the air pipe (37).
(7)
Loosen the union nut (16) and disconnect the air bleed pipe (15) from the reducer (17).
(8)
Remove the bolt (40), the washer (41) and the distance bush (43) which attach the P-clip (42) to the structure.
(9)
Loosen the union nut (24) and disconnect the seal drain pipe (25) from the air pressure relief valve (23).
(10)
Remove the two bolts (44), the washers (45) and the clamp block halves (46).
(11)
Loosen the union nut (6) and disconnect the suction pipe (5) from the structure attachment.
Reservoir of the Yellow Hydraulic System (Sheet 2)
Figure 402A/TASK 29-13-41-991-004-A
R 1EFF : 004-049, 055-099, 101-149, 151-199, 1 29-13-41Page 408 1201-299, 301-399, 401-499, 1Aug 01/05 1 1 1CES 1
(12)
Loosen the union nut (8) and remove the suction pipe (5).
(13)
Loosen the union nut (9) and disconnect the return pipe (10) from the reservoir (1).
(14)
Loosen the union nut (12) and disconnect the suction pipe (11) from the reservoir (1).
(15)
Cut and remove the lockwire from the two strap bolts (4).
(16)
Hold the reservoir (1) and loosen the two reservoir strap bolts (4).
(17)
Disconnect the ends of the reservoir straps (3) and remove the reservoir (1) from the aircraft.
(18)
Install blanking plugs in all open pipe ends, unions and the reservoir ports.
1EFF : ALL 1 29-13-41Page 409 1 1 Nov 01/98R 1 1 1CES 1
TASK 29-13-41-400-002
Installation of the Yellow Hydraulic Reservoir
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
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REFERENCE QTY DESIGNATION
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