E. Precaution Data
(1)
Before you do a servicing procedure, read 35-11-00/001 Crew Oxygen System and 35-21-00/201 Passenger Oxygen System.
(2)
Make sure your hands, clothing, tools, the area, and the equipment are all clean. They must be free of all petroleum, oil and grease, hydraulic fluid, and dirt.
(3)
Keep the oxygen away from all the things that can start ignition. For example: heat, sparks, flame, and smoking can start ignition.
(4)
Do not the let the oxygen mix with other gases, fumes, or flammable materials.
(5)
Use only aviation-grade breathing oxygen.
NOTE: Welding oxygen and hospital oxygen can be satisfactory
____ to breathe, but it can contain too much water. The water can freeze and stop the flow in the lines, regulators, and valves.
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(6) Open all the oxygen valves slowly, to the full open position. This will decrease the risk of a fire.
TASK 12-15-08-603-001
2. Crew Oxygen System Servicing (Cylinder Replacement) (Fig. 301)
___________________________________________________
A. General
(1)
The crew oxygen cylinder is on the right side of the forward cargo compartment.
(2)
Put a workstand below the forward cargo compartment door for better access.
B. Equipment
(1)
Caps and Plugs - Clean, Packaged (for oxygen
ports and open lines)
(2)
Oxygen Cylinders - Fully Charged and Serviceable
(3)
Spanner Wrench - Commercially Available
C. Consumable Materials
(1)
G00092 Oxygen System Leak Detection
Compound - Sherlock CG Type 1
(2)
G01505 Copper Lockwire - 0.020 inch diameter
D. References
(1)
AMM 20-11-00/201, Standard Torque Values
(2)
AMM 20-41-00/201, Static Grounding
(3)
AMM 24-22-00/201, Electrical Power - Control
(4)
AMM 35-11-00/201, Crew Oxygen System
E. Access
(1) Location Zones
122 Forward Cargo Compartment (Right)
F. Procedure - Remove the Crew Oxygen Cylinder
S 913-003
WARNING: OBEY THE DATA IN THE CREW OXYGEN SYSTEM - MAINTENANCE PRACTICES
_______ PROCEDURE. IF YOU DO NOT OBEY THIS DATA, A FIRE OR AN EXPLOSION CAN EASILY OCCUR.
(1) Read and obey the Crew Oxygen System - Maintenance Practices procedures (AMM 35-11-00/201).
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NO. 1
CARGO DOOR
CREW OXYGEN
CYLINDER
SEE A
FORWARD
RETAINING
RING
AFT RETAINING
RING
T-BOLT NUT T-BOLT
OVERBOARD DISCHARGE
LINE B-NUT
CREW
CYLINDER
PRESSURE
GAGE
OXYGEN
OXYGEN CYLINDER COUPLING COUPLING- CYLINDER
SHUTOFF VALVE TO-CYLINDER
NUT
PRESSURE GUIDE ARM
REGULATOR
SEE B
ACCESS
PANEL
CREW OXYGEN CYLINDER
A
Crew Oxygen Servicing
Figure 301 (Sheet 1)
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