Emergency Escape Slide Lamp Installation 504
33-51-61 Figure 201 Feb 15/70
Page 202
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.
EMERGENCY ESCAPE SLIDE LIGHT BATTERY PACK - MAINTENANCE PRACTICES
EFFECTIVITY
ALL EXCEPT ATI INTERIOR
1. General
A. This procedure provides steps necessary to replace batteries in the escape slide light battery packs. The battery pack for the forward escape slide lights is mounted behind an access panel on the left side of the forward cargo compartment (station 390). The battery pack for the aft escape slide lights is mounted behind an access panel in the aft cargo compartment sidewall (station 920)(Fig. 201).
2. Replace Batteries
A. Gain access to the battery packs through access panel in cargo compartment sidewall.
B. Disenage four quick-release fasteners on top of battery pack cover.
C. Remove cover.
D. Remove batteries.
E. Install replacement batteries.
CAUTION: OBSERVE CORRECT POLARITY OF BATTERIES WHEN INSTALLING.
F. Replace cover
G. Engage quick-release fasteners on top of battery pack cover.
H. Test batteries.
(1) Momentarily set emergency lights switch on either pilots' overhead or aft attendant's panel to ON then return switch to prior setting. Check that lights powered by battery pack come on and go off.
CAUTION: RETURN SWITCH TO OFF POSITION AS SOON AS POSSIBLE TO CONSERVE BATTERIES.
I. Install access panel in cargo compartment sidewall.
5C8
Jun 20/85 33-51-71 Page 201
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.
Emergency Exit Escape Slide Lights Battery Pack Installation 504
33-51-71 Figure 201 May 15/70
Page 202
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.
FIXED EXIT SIGN/LIGHT BATTERY PACK - MAINTENANCE PRACTICES
EFFECTIVITY
ALL EXCEPT ATI INTERIOR
1. General
A. The battery packs for the exit sign/lights on the lowered ceiling end caps are located inside the end caps. Access is through a panel on the lowered ceiling (Fig. 201).
B. The battery packs for the overwing escape hatch exit signs on each side of the airplane and the midceiling-mounted exit sign are located in ceiling above ceiling-mounted exit sign. Access is through the ceiling panels.
2. Replace Remote Batteries
A. Gain access to battery pack by lowering applicable ceiling panel.
NOTE: For battery packs above ceiling-mounted exit sign, remove sign before lowering ceiling panel (Ref 33-51-91, Removal/Installation).
B. Release quick-release fasteners on battery pack and remove battery cartridge.
C. Install replacement battery cartridge and secure fasteners.
D. Raise ceiling panel.
E. Test battery pack
(1) Momentarily set emergency lights switch on either pilots' overhead or aft attendant's panel to ON, then return switch to original setting. Check that lamps powered by replaced batteries come on and go off.
CAUTION: RETURN SWITCH TO OFF POSITION AS SOON AS POSSIBLE TO CONSERVE BATTERIES.
5C8
Jun 20/85 33-51-81 Page 201
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.
Battery Pack Installations 526
33-51-81 Figure 201 (Sheet 1) May 15/73
Page 202
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.
526 Battery Pack Installations
May 15/73 Figure 201 (Sheet 2) 33-51-81
Page 203
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.
CEILING-MOUNTED EXIT SIGN - REMOVAL/INSTALLATION
EFFECTIVITY
STANDARD PASSENGER AIRPLANES
1. General
A. The fixed ceiling mounted exit sign is powered by batteries located above the blank ceiling panel forward of the light (Fig. 401). This procedure provides information for replacement of the complete light assembly.
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