(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
E. Procedure
S 863-007
(1) Make sure that the mode selector lever is in the disarmed
(MANUAL/DISARM) position.
S 493-008
WARNING: MAKE SURE YOU INSTALL THE SAFETY PIN IN THE EMERGENCY POWER
_______ RESERVOIR. IF YOU DO NOT INSTALL THE SAFETY PIN, THE DOOR CAN OPEN AUTOMATICALLY. THIS CAN CAUSE INJURY OR DAMAGE.
(2)
Install the safety pin in the emergency power reservoir (Fig. 301).
(a) On the overhead reservoir installation, if you cannot install the safety pin because of the lockwire, cut the lockwire.
(3)
Remove the lower lining from the main entry door (Ref 52-11-02/401).
(4)
Open the main entry door.
S 013-009
S 013-010
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12-21-11
ALL ú ú 01 Page 302 ú Oct 18/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 747-400 MAINTENANCE MANUAL
SEE A AND 4) EMERGENCY POWER RESERVOIR (DOORS 1,2, 1
DOOR ENTRY (EXAMPLE) SEE A FWD RESERVOIR (DOORS 3 AND 5) EMERGENCY POWER 1 EMERGENCY POWER RESERVOIR
SAFETY PIN
EMERGENCY POWER RESERVOIR
SAFETY PIN FLOOR LEVEL RESERVOIR INSTALLATION
A
OVERHEAD RESERVOIR INSTALLATION
A
1
RESERVOIR FOUND ABOVEDOOR 3 ON SOME AIRPLANES Saftey Pin Installation Figure 301
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12-21-11
ALL ú ú 02 Page 303 ú Oct 18/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
S 643-011
(5) Lubricate the girt bar (Fig. 302).
(a)
Clean all the surfaces of the floor brackets with solvent.
(b)
Lubricate the floor brackets as shown on Figure 302.
(c)
Close the main entry door.
(d)
Move the mode selector lever to the armed (AUTOMATIC/ARM) position.
WARNING: TURN THE HANDLE OF THE DOOR SLOWLY AND ONLY TO THE
_______ NECESSARY LIMIT. IF YOU TURN THE HANDLE AND OPEN THE DOOR, THE ESCAPE SYSTEM WILL OPERATE. THIS CAN CAUSE INJURY OR DAMAGE.
(e)
Turn the inner handle of the door only until the lower gate lifts up.
(f)
Move the bar locks to disengage them from the floor brackets.
(g)
Lift the girt bar.
(h)
Remove the bar locks from the girt bar.
(i)
Clean all surfaces of the bar locks and the ends of the girt bar with solvent.
(j)
Lubricate the bar locks and girt bar as shown in Figure 301.
(k)
Install the bar locks on the girt bar and engage them in the floor brackets.
NOTE: The mode selector lever is in the armed (AUTOMATIC/ARM)
____
position.
(l) Make sure that the girt bar has equal clearances between the ends of the girt bar and the stop tabs.
S 863-011
(6)
Turn the inner handle of the door slowly to close the main entry door.
S 983-010
(7)
Move the mode selector lever to the disarmed (MANUAL/DISARM) position.
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