78-34-02
ú CONFIG 2 ú N01 Page 402 ú Jun 10/94
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
FORWARD UPPER FAIRING SOLENOID
SEE A ELECTRICAL A
CONNECTOR SOLENOID
CONTROL VALVE
(REF) DIRECTIONAL
SEE B
A
HYDRAULIC RETRACT LINES
HYDRAULIC
EXTEND LINES
CLAMP FOR
HYDRAULIC
LINES
BONDING STRAP
SEE C
FWD
A
SEE C
SEE B
RTN PRESS
DCV
CONTROL TUBE FOR THE BAROSWITCH
CLAMP CLAMP
WIRE
BUNDLE
FWD
CLAMP
A-A
Thrust Reverser Flow Control Tee Installation
Figure 401 (Sheet 1)
E13963
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78-34-02
ú CONFIG 2 ú N01 Page 403 ú Jun 10/94
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES /MAINTENANCE MANUAL ////////////////////////
RETRACT FLOW CONTROL TEE
Thrust Reverser Flow Control Tee Installation
Figure 401 (Sheet 2)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH ONE-WAY VALVE RESTRICTORS ú
78-34-02
ú CONFIG 2 ú N01 Page 404 ú Jun 10/94
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
E13977
S 024-032-N02
(6)
Disconnect the restrictor valve (8) from the elbow (12) if it is defective.
S 024-029-N02
(7)
Loosen the swivel nut for the reducer tee (9).
S 024-030-N02
(8)
Remove the reducer tee (9) and restrictor valve (8) from the DCV.
NOTE: Keep the restrictor valve (8) installed on the reducer
____
tee (9) unless it is defective.
S 024-031-N02
(9)
Disconnect the restrictor valve (8) from the reducer tee (9) if it is defective.
S 024-033-N02
(10)
Remove the union (10) and the packing (11) from the DCV.
(a) Discard the packing (11).
S 024-065-N02
(11)
Install protective caps on all hydraulic tubes and DCV ports.
E.
Remove the Extend Flow Control Tee for the Thrust Reverser (Fig. 401).
S 014-034-N02
(1)
Remove the Retract Flow Control Tee from the lower, forward face of the DCV.
S 024-035-N02
(2)
Loosen the tube nut on the hydraulic extend lines (1).
(3)
Move the tube nuts forward.
(4)
Loosen the swivel nut for the reducer tee (3).
S 034-036-N02
S 024-037-N02
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH ONE-WAY VALVE RESTRICTORS ú
78-34-02
ú CONFIG 2 ú N01 Page 405 ú Jun 18/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
S 024-038-N02
(5) Remove the reducer tee (3), elbow (6), and restrictor valves (2) from the DCV.
NOTE: Keep the elbow (6) and restrictor valves (2) attached to the
____
reducer tee (3).
S 024-039-N02
(6) Remove the union (4) and the packing (5) from the DCV.
(a) Discard the packing (5).
S 024-040-N02
(7)
Disconnect the restrictor valve (2) from the reducer tee (3) if it is defective.
S 034-066-N02
(8)
Disconnect the restrictor valve (2) from the elbow (6) if it is defective.
S 034-067-N02
(9)
Disconnect the elbow (6) from the reducer tee (3) if it is defective.
S 624-071-N02
(10)
Install protective caps on all hydraulic tubes and DCV ports.
TASK 78-34-02-424-017-N02
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