B. References
(1)
AMM 12-25-01/301, Exterior Cleaning
(2)
AMM 56-21-01/601, Passenger Windows
C. Access
(1) Location Zones
211 Passenger Cabin Nose to First Door, Left
212 Passenger Cabin Nose to First Door, Right
223 Fwd Upper Deck Passenger Cabin, Left
224 Fwd Upper Deck Passenger Cabin, Right
225 Aft Upper Deck Passenger Cabin, Left
226 Aft Upper Deck Passenger Cabin, Right
231 Passenger Cabin First to Second Door, Left
232 Passenger Cabin First to Second Door, Right
241 Passenger Cabin Second to Third Door, Left
242 Passenger Cabin Second to Third Door, Right
251 Passenger Cabin Third to Fourth Door, Left
252 Passenger Cabin Third to Fourth Door, Right
261 Passenger Cabin Fourth Door to Sta 2040, Left
262 Passenger Cabin Fourth Door to Sta 2040, Right
271 Passenger Cabin Sta 2040 to Sta 2360, Left
272 Passenger Cabin Sta 2040 to Sta 2360, Right
D. Prepare for the Installation (Fig. 402)
S 214-011
(1) Whether you install new or used panes, make sure they are within the serviceable limits (AMM 56-21-01/601).
(a) Examine the middle pane for scratches, spall chips, or V-shaped chips.
CAUTION: DO NOT PRESSURIZE THE AIRPLANE WITH SCRATCHES 0.005 INCH
_______ OR DEEPER, SURFACE CHIPS, OR V-SHAPED EDGE CHIPS. IF YOU PRESSURIZE THE AIRPLANE IN THIS CONDITION, YOU CAN CAUSE DAMAGE TO THE AIRPLANE.
(b) Replace the middle pane that has any scratch 0.005 inch or deeper or any spall chips or V-shaped chips.
S 114-012
(2) Clean the mating surfaces of the window frame.
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747-400 MAINTENANCE MANUAL
WARNING:_______SOLVENTS ARE POISONOUS AND CAN BE FLAMMABLE. DO NOT BREATH THE FUMES AND MIST. USE THEM IN OPEN AREAS. MAKE SURE APPROVED RESPIRATORY PROTECTION IS AVAILABLE. DO NOT GET IN EYES. PREVENT CONTACT WITH SKIN AND CLOTHING. USE PROTECTIVE EQUIPMENT WHEN IT IS NECESSARY. KEEP THE FLAMMABLE MATERIALS AWAY FROM SOURCES OF IGNITION.
CAUTION: DO NOT LET SOLVENTS TOUCH THE PLASTICS, CONTROL CABLES,
_______ LUBRICATED AREAS, DECALS, PAINTS, OR MARKINGS. THE SOLVENTS CAN CAUSE DAMAGE TO EQUIPMENT.
(a)
If you replace the seal/spacer, clean the mating surfaces of the window frame with the cheesecloth and aliphatic naphtha.
(b)
Before the aliphatic naphtha dries, wipe it up completely with a clean, oil and lint-free cheesecloth.
(c)
Clean the mating surfaces with the aliphatic naphtha until they are clean.
S 954-013
(3)
Remove the protective covers from the outer and the middle panes.
S 614-016
(4)
Clean the open surfaces of each pane (AMM 12-16-04/301).
(a) Apply the antistatic agent to the open surfaces of each pane (optional) (AMM 12-16-04/301).
S 114-017
(5) Clean around the window openings that you can get to between the outer pane and the non-structural inner pane.
E. Install the window.
S 434-027
(1) Assemble the window in this configuration:
(a) The serial number on the outer pane is at the top.
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(b) (c) The breather hole on the middle pane is on the bottom.The serial number on the middle pane is opposite that of the outer pane and is readable from inside the airplane.
(2) S 434-025Apply a mixture of castile soap and water to the area around the seal.
(3) S 424-037NWA 101-120; If RH STA 509.7 does not have a window plug installed, install window plug.
NOTE:____ The window plug must be painted prior to installation. Make sure paint application is done prior so as not to interfere with window seal.
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