(2)
Oxygen generator deactivation
(3)
Oxygen generator activation
B. This procedure has instructions to deactivate and activate chemical oxygen generators. All spare oxygen generators, oxygen modules, and service units (Passenger Service Units (PSUs), Attendant Service Units (ASUs), and Lavatory Service Units (LSUs)) are supplied with a safety pin. The safety pin is installed in the firing mechanism of the oxygen generator. The generator cannot fire when the safety pin is correctly installed. It is safe to touch the generator when the safety pin is installed.
C. In addition to the safety pin, a secondary safety device is used for the transport of the spare oxygen generator. This secondary safety device, if installed, must be removed from the firing pin's release pin hole, before the release pin can be installed.
D. You must install the safety pin in the generator firing mechanism to deactivate the generator before you remove the generator, service unit or oxygen module from the airplane.
E. After you install a generator, service unit, or an oxygen module, you must remove the safety pin from the generator firing mechanism to activate the generator before you return the airplane into service.
F. The retraction equipment shown in the Equipment paragraph contains a set of pliers and safety pins for the oxygen generator deactivation. When you activate a generator, keep the safety pin with the retraction equipment for future use.
TASK 35-22-11-202-083
2. Visual Inspection of Firing Mechanism and Heat Sensitive Band_____________________________________________________________
A. References
(1) AMM 35-22-11/201, Oxygen Generator
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
MASK
HOSES
OXYGEN GENERATOR
(EXAMPLE)
Oxygen Generator Activation/Deactivation
Figure 201 (Sheet 1)
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
L85236
A 737-300/400/500MAINTENANCE MANUAL
B-B
Oxygen Generator Activation/Deactivation Figure 201 (Sheet 2)
L85248
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A
737-300/400/500
MAINTENANCE MANUAL
PIN
RETRACTION
PLIERS
OXYGEN
SEE D RELEASE GENERATOR
PIN
PIN R ETRACTION PLIERS
FIRING PIN SAFETY PIN
SAFETY PIN INSTALLA TION PIN RETRACTION PLIERS
C 1 D 1
DSEE RETRACTION PIN PLIERS OXYGEN GENERATOR
PIN RETRACTION PLIERS
SAFETY PIN INSTALLATIFIRING PIN ON PIN RELEASE PIN RETRACTION PLIERS
C 2 D 2
1
PURITAN BENNETT/B.E. AEROSPACE OXYGEN GENERATORS
2
DRAEGER OXYGEN GENERATORS
Oxygen Generator Activation/Deactivation
Figure 201 (Sheet 3)
L85914
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