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35-11-00
ALL ú ú 05 Page 602 ú Jun 10/93
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
S 796-018
(4) Do a check for crew oxygen cylinder leakage:
(a)
Apply the leak detection compound to all fittings and connections.
(b)
Look for bubbles to find leaks.
(c)
Rub the leak detection compound off with a clean cloth immediately after you have checked to make sure the fittings and connections are dry.
CAUTION: DO NOT TIGHTEN THE FITTINGS AND CONNECTIONS MORE THAN
_______ THE TORQUE WHICH IS PERMITTED. THIS CAN CAUSE DAMAGE TO THESE PARTS
1) If you find leaks, tighten the fittings and connections.
2) If you cannot stop the leaks, send the crew oxygen cylinder to an approved facility for an overhaul. Do not permit the leaks to continue.
S 216-021
(5) Make sure it is not more than three years since the oxygen cylinder had its last hydrostatic test.
NOTE: The last hydrostatic test data will be on a label near
____
the top of the oxygen cylinder.
S 416-009
(6) Close the access door to the crew oxygen cylinder.
TASK 35-11-00-206-003
3. Crew Oxygen Cylinder Correct Installation and Condition Check (Fig. 601)
_____________________________________________________________
A. References
(1)
AMM 35-00-00/201, Oxygen
(2)
IPC 35-11-00
B. Access
(1) Location Zone 124 Forward Cargo Container Compartment, Aft Half Right
C. Procedure
S 916-016
(1) Read and obey the safety precautions and general instructions for the oxygen system before you do the maintenance (AMM 35-00-00/201).
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
35-11-00
ALL ú ú 01 Page 603 ú Jun 18/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 747-400 MAINTENANCE MANUAL
S 016-010
(2) Open the access door to the crew oxygen cylinder.
S 216-013
(3) Do a check each of these components to make sure they are installed correctly: (a) The pressure transducer is installed correctly to the support bracket and the coupling assembly. (b) The pressure reducer is installed correctly to the support bracket and the coupling assembly. (c) The coupling assembly is installed correctly to the crew oxygen cylinder. (d) The medium-pressure and overboard-discharge oxygen lines are installed correctly.
S 216-007
(4) Do a check of the crew oxygen cylinder to make sure it is installed correctly: (a) Make sure the crew oxygen cylinder is correctly installed on the support rollers. (b) Make sure the crew oxygen cylinder is correctly installed to the support clamps and straps.
S 216-005
(5) Do a check of the crew oxygen cylinder to make sure its in the satisfactory condition: (a) Do this task: "Crew Oxygen Cylinder Pressure and Leak Check" to check the crew oxygen cylinder for leaks (AMM 35-11-00/601). (b) Make sure it is not more than three years since the oxygen cylinder had its last hydrostatic test.
NOTE:____ The last hydrostatic test data will be on a label near the top of the oxygen cylinder.
(c) Do a check of the crew oxygen cylinder for these conditions: 1) Make sure the pressure is above the minimum necessary for dispatch.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：747-400 AMM 飞机维护手册 氧气 OXYGEN(27)
