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VALVES ú CONFIG 1 ú N01 Page 403 ú Oct 10/94
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S 024-053-N01
(4)
Loosen the swivel nut for the reducer tee (8).
S 024-052-N01
(5)
Remove the reducer tee (8) and elbow (9) from the DCV.
NOTE: Keep the elbow (9) installed on the reducer tee (8) unless it
____
is defective.
S 024-008-N01
(6)
Remove the elbow (9) from the reducer tee (8) if it is defective.
S 024-009-N01
(7)
Remove the union (6) and the packing (7) from the hydraulic retract port on the DCV.
(a) Discard the packing (7).
S 024-049-N01
(8)
Install protective caps on all hydraulic tubes and DCV ports.
E.
Remove the Extend Flow Control Tee for the Thrust Reverser.
NOTE: The flow control tee can be removed when the DCV is removed from
____
the strut (AMM 78-34-01/401).
S 014-018-N01
(1)
Remove the Retract Flow Control Tee from the lower, forward face of the DCV.
S 024-019-N01
(2)
Loosen the tube nut on the hydraulic extend lines (1).
(3)
Move the hydraulic tube nuts forward.
S 034-020-N01
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITHOUT ONE-WAY RESTRICTOR ú
78-34-02
VALVES ú CONFIG 1 ú N02 Page 404 ú Jun 10/95
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
S 014-021-N01
(4) Loosen the three clamps for the control tube and wire bundle.
NOTE: This will provide room to remove the flow control tee without
____
removing the elbow.
S 014-022-N01
(5)
Remove the control tube for the baro switch.
S 024-023-N01
(6)
Remove the flow control tee from the DCV.
S 024-024-N01
(7)
Remove the nut (3), packing (4), and retainer (5) from the extend port on the DCV.
(a) Discard the packing (4).
S 024-025-N01
(8) Install protective caps on all hydraulic tubes and DCV ports.
TASK 78-34-02-404-009-N01
3. Install the Thrust Reverser Flow Control Tee
____________________________________________
A. Consumable Materials
(1)
D00153 Hydraulic Fluid - BMS 3-11 (Type IV, Class 1)
(2)
D00054 Lubricant, Hydraulic System - MCS 352
B.
Parts
~............................................................................... | AMM | | AIPC | ................. ............................ | FIG | ITEM | NOMENCLATURE | SUBJECT | FIG | ITEM | ................................................................................. | 401 | 1 | Hydraulic Extend Lines | 78-34-01 | 01 | 170,210 | | | 2 | Flow Control Tee | | | 245 | | | 3 | Nut | | | 270 | | | 4 | Packing | | | 255 | | | 5 | Retainer | | | 300 | | | 6 | Union | | | 250 | | | 7 | Packing | | | 235 | | | 8 | Reducer Tee | | | 255 | | | 9 | Elbow | | | 255 | | | 10 | Elbow | | | 300 | | | 11 | Hydraulic Retract Lines | | | 155,190 | 2.....….........…....................................…..........….....….........1
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITHOUT ONE-WAY RESTRICTOR ú
78-34-02
VALVES ú CONFIG 1 ú N01 Page 405 ú Feb 15/98
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
C. References
(1)
AMM 27-62-00/201, Speed Brake Control System
(2)
AMM 78-31-00/201, Thrust Reverser System
(3)
AMM 78-34-01/401, Thrust Reverser Directional Control Valve
D.
Access
(1)
Location Zones
450 Strut - Engine 1
460 Strut - Engine 2
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