(2)
AMM 29-09-00/201, Hydraulic Reservoir Pressurization System
(3)
AMM 29-15-00/201, Hydraulic Systems A, B and Standby
C. Access
(1) Location Zone
215 Keel Beam
D. Prepare for Removal
S 864-001
(1)
Remove power from the hydraulic system A (AMM 29-15-00/201).
S 864-002
(2)
Make sure that these switches, on the P5 panel, are in the OFF position:
(a)
The ENG 1 HYD PUMPS A switch
(b)
The ELEC 2 HYD PUMPS A switch
(c)
The FLT CONTROL A switch.
S 864-003
(3) Release pressure from hydraulic system A reservoir (AMM 29-09-00/201).
E. Remove the PTU Control Valve
S 034-004
(1)
Disconnect the electrical connector.
(2)
Disconnect the hydraulic lines.
S 034-005
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
29-22-31
ALL ú ú 01 Page 401 ú Mar 15/96
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500
MAINTENANCE MANUAL
STANDBY RESERVOIR (REF)
PTU CONTROL VALVE
SEE A ELECTRICALINBD CONNECTOR
PTU
(REF)
FWD
WHEEL WELL
HYDRAULIC
CONNECTOR MOUNTING
BOLTS
HYDRAULIC
CONNECTOR
TO PTU
FROM SYSTEM A
PRESSURE
POSITION
INDICATOR
PTU CONTROL VALVE (VIEW FROM THE FRONT)
A
PTU Control Valve Installation Figure 401
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
29-22-31
ALL ú ú 01 Page 402 ú Nov 15/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
S 684-008
(3)
Drain hydraulic fluid into a container.
S 164-009
(4)
Clean all hydraulic fluid from the installation area if it is necessary (AMM 12-40-00/201)
S 034-007
(5)
Remove the mounting bolts.
S 024-006
(6)
Remove the PTU control valve.
TASK 29-22-31-404-010
3. PTU Control Valve Installation (Fig. 401)
______________________________
A. References
(1)
AMM 12-12-00/301, Hydraulic Reservoir
(2)
AMM 20-10-34/701, Metal Surfaces
(3)
SWPM 20-20-00, Standard Wiring Practices Manual
(4)
AMM 24-22-00/201, Manual Control
(5)
AMM 29-09-00/201, Hydraulic Reservoir Pressurization System
(6)
AMM 29-15-00/201, Hydraulic Systems A, B and Standby
B. Access
(1) Location Zone
215 Keel Beam
C. Procedure
S 164-016
(1)
Clean the mounting surfaces (AMM 20-10-34/701).
(2)
Install the PTU control valve.
(3)
Install the mounting bolts.
S 424-017
S 434-018
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
29-22-31
ALL ú ú 01 Page 403 ú Nov 15/98
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
S 434-019
(4)
Connect the hydraulic lines to the PTU control valve.
S 284-020
(5)
Make sure that the bond is 0.008 ohms maximum between the valve and the mounting structure (SWPM 20-20-00).
S 434-021
(6)
Connect the electrical connector.
S 724-022
中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址:737-300 400 500 AMM 飞机维护手册 液压 HYDRAULIC POWER(145)