I.
Put the Airplane Back To Its Usual Condition
S 094-020
CAUTION:_______DO NOT REMOVE THE RESERVOIR MOUNTING PIN. THE RESERVOIR MOUNTING PIN IS NOT A SAFETY PIN. IF YOU REMOVE THE RESERVOIR MOUNTING PIN, THE DOOR EMERGENCY MECHANISM CAN NOT OPERATE.
(1)
Remove the safety pin on the emergency power reservoir.
S 414-031
(2)
OVERHEAD RESERVOIR INSTALLATION;
Do these steps:
(a)
Install the lockwire from the reservoir mounting pin to the rig pin hole (Fig. 401).
(b)
Install the ceiling access panel above the entry door (AMM 25-22-01/401).
S 414-017
(3)
FLOOR LEVEL RESERVOIR INSTALLATION; Install the doorway sidewall lining and the dado panel forward of the entry door (AMM 25-21-03/401).
(4)
Install the interior side wall panels.
S 414-026
(5)
Install the surounding equipment/furnishings (lavatories, class dividers, etc.), if they were removed.
S 414-024
(6)
Install the access panel (2) on the body skin forward of the door, if it was removed.
S 414-025
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747-400 MAINTENANCE MANUAL
S 094-019
(7) Remove the lockout pin on the mode selector lever.
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747-400 MAINTENANCE MANUAL
EMERGENCY POWER RESERVOIR - INSPECTION/CHECK
____________________________________________
1. General
_______
A. This procedure contains one task. This task does a check of the pressure in the emergency power reservoir (reservoir).
B. This task will show if the pressure in the reservoir is sufficient to open the main entry door in an emergency.
C. You must look at the pressure gage and compare the pressure with
permitted pressures from the pressure-temperature chart.
NOTE: The green band on the pressure gage is not an indication of
____ sufficient pressure. Permitted pressures must be found on the pressure-temperature chart only.
TASK 52-11-06-206-001
2. Examine the Pressure Gage for the Reservoir
___________________________________________
A. References
(1)
AMM 52-11-06/401, Emergency Power Reservoir
B.
Access
(1)
Location Zone 211 Passenger Cabin, Nose to First Door, LH 212 Passenger Cabin, Nose to First Door, RH 231 Passenger Cabin, First to Second Door, LH 232 Passenger Cabin, First to Second Door, RH 241 Passenger Cabin, Second to Third Door, LH 242 Passenger Cabin, Second to Third Door, RH 251 Passenger Cabin, Third to Fourth Door, LH 252 Passenger Cabin, Third to Fourth Door, RH 271 Passenger Cabin, Sta 2040 to Sta 2360, LH 272 Passenger Cabin, Sta 2040 to Sta 2360, RH
(2)
Access Panel
831L Door - No. 1 Main Entry, LH
841R Door - No. 1 Main Entry, RH
832L Door - No. 2 Main Entry, LH
842R Door - No. 2 Main Entry, RH
833L Door - No. 3 Main Entry, LH
843R Door - No. 3 Main Entry, RH
834L Door - No. 4 Main Entry, LH
844R Door - No. 4 Main Entry, RH
835L Door - No. 5 Main Entry, LH
845R Door - No. 5 Main Entry, RH
C.
Read the Pressure Gage on the Reservoir (Fig. 601)
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