(2)
The seat reference line is from the point where the seat back touches the seat cushion.
(3)
To have a correct location of the oxygen mask,
(a) The distance permitted between the reference lines of the seat and the oxygen mask is 21.5 inch (max) and 10.5 inch (min).
B. Special Tools and Equipment
(1) Firing Pin Retraction Equipment - A35001-1
C. References
(1)
24-22-00/201, Manual Control
(2)
33-23-00/201, Reading Light
(3)
35-22-11/201, Oxygen Generator
D. Access
(1) Location Zone
100 Upper Half Fuselage
E. Procedure
S 422-008
(1)
Put the outboard edge of the PSUs on the air outlet extrusion (section A-A).
S 432-009
(2)
Put the plunger to attach the clamps to the holes in the air outlet extrusion.
S 422-010
(3)
Attach the lanyard to the nearest hole on the support structure (detail A).
(4)
Connect the gasper air duct and the electrical connector.
S 432-011
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A 737-300/400/500MAINTENANCE MANUAL
S 432-039
CAUTION: PUT THE WIRE-BUNDLE/GASPER-DUCT BRACKET FORWARD OF THE AFT EDGE OF THE PSUs PANEL IN A LOCATION WHICH WILL GIVE MINIMUM BENDS IN THE GASPER-DUCT. MAKE SURE THE ROUTING OF THE WIRE-BUNDLE/GASPER-DUCT ARE AWAY FROM THE OXYGEN GENERATOR. THE WIRE-BUNDLE/GASPER-DUCT BRACKET WILL CUT THE OXYGEN HOSE IF THE BRACKET IS PUT ADJACENT TO THE OXYGEN GENERATOR.
(5) Attach the wire-bundle/gasper-hose bracket.
S 442-037
WARNING: MAKE SURE YOU INSTALL THE RELEASE PIN WITH A WARNING FLAG ON
_______ THE GENERATOR. THE OXYGEN GENERATOR IS A PYROTECHNIC-ACTIVATED DEVICE. IF THE RELEASE PIN IS PULLED AND THE GENERATOR FIRES, THE GENERATOR GETS VERY HOT (450°F OR MORE). IF YOU TOUCH A HOT GENERATOR, YOU WILL GET AN INJURY.
CAUTION:_______YOU MUST REMOVE THE SAFETY PIN. THE GENERATOR WILL NOT OPERATE IN AN EMERGENCY WITH AN INSTALLED SAFETY PIN.
(6)
Remove the safety pin to arm the oxygen generator (Detail B) (Ref 35-22-11/201).
S 862-014
(7)
Make sure the annunciator selection switch is in the correct position.
S 422-015
(8)
Retract the PSUs to the closed position.
(a) Make sure the automatic latches engaged.
S 822-016
(9) Adjust the reading lights if it is necessary (Ref 33-23-00/201).
F. Restore the Airplane to Normal
S 862-017
(1)
Supply electrical power (Ref 24-22-00/201).
S 712-018
(2)
Examine the electrical devices in the PSUs for the correct
operation.
(3)
Remove electrical power if it is not necessary (Ref 24-22-00/201).
S 862-019
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
TASK 25-23-61-002-020
4. Spacer Panel Removal (Fig. 201)____________________
A. Access
(1) Location Zone
100 Upper Half of Fuselage
B. Procedure
S 012-021
(1)
Lower the PSUs on the forward or aft side of the spacer panel (Refer to Para. 2E).
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