(b)
Remove the upper window and the gaskets.
(c)
Remove the floor panel from the control cabin floor.
(d)
Lift the viewer out.
S 022-046-B00
(11) AIRPLANES WITHOUT THE RETENTION PLATE OF THE UPPER WINDOW; Do these steps:
(a)
Hold the viewer assembly.
(b)
Remove the floor panel from the control cabin floor.
(c)
Lift the viewer out.
(d)
Remove the window and gaskets from the upper flanged pan.
(e)
Remove the window with the slotted rings, the gaskets, and the phenolic spacer from the lower flanged pan.
S 032-047-B00
(12)
Hold the viewer assembly.
S 032-048-B00
(13)
Remove the bolts that attach the upper flanged pan to the panel.
S 032-049-B00
(14)
Remove the floor panel from the control cabin floor.
S 032-050-B00
(15)
Lift the viewer out.
S 022-051-B00
(16)
Remove the window and the gaskets from the upper flanged pan.
S 022-052-B00
(17)
Remove the window with the slotted rings, the gaskets, and the phenolic spacer from the lower flanged pan.
(18)
Disconnect the clamps and remove the hose.
S 022-128-B00
(19)
Remove the slotted phenolic rings from the lower window if the replacement is necessary.
S 032-053-B00
TASK 56-41-31-402-054-B00
4. Nose Gear Viewer Assembly Installation_______________________________________
A. Consumable Materials
(1) G00000 Cellulose acetate sheeting, Permacel Tape N. 76, Minnesota Mining and Manufacturing Company, Tape No. 221, or Transparent Cellophane No. 600, Spraylat SC-1058R.
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56-41-31
ALL ú ú B06 Page 207 ú Jul 12/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
B.
C.
D.
A
737-300/400/500MAINTENANCE MANUAL
(2) G00000 Masking tape (Ref 20-30-51)
(3) G00034 Cheesecloth, oil and lint-free (Ref 20-30-51)
(4) A00247 Sealant: BMS 5-95 (Ref 20-30-11)
(5) B00083 Aliphatic Naphtha - TT-N-95A, Type II (Ref 20-30-31)
NOTE:____ You can use Freon-TF as an alternative to the aliphatic
naphtha for general cleaning of the windows.
(6) G01989 Soap - Castile (Ref 20-30-31)
(7) A00000 Adhesive - BMS 5-19 Class B, or BMS 5-26 Class B,
or BMS 5-44 Class B, or BMS 5-79 Class B (Ref 20-30-11)
References
(1)
20-30-11, Adhesives, Cements and Sealants
(2)
20-30-31, Cleaners and Polishes
(3)
20-30-51, Miscellaneous MaterialsAccess
(1)
Location Zones 101 Control Cabin, Left 102 Control Cabin, Right 303 Nose Wheel Well
Prepare the viewer assembly of the nose gear downlock for installation.
S 162-127-B00
(1) Use a clean cloth moist with the aliphatic naphtha to clean these surfaces:
-Inner surfaces of the lower tube.
-
The hose.
-
The upper tube.
S 142-056-B00
(2)
Rub the surfaces dry with oil and lint-free cheesecloth.
S 952-057-B00
(3)
Remove the protective covers.
S 112-058-B00
(4)
Clean each window with the lukewarm water and castile soap applied with a soft cloth.
S 162-059-B00
(5)
Remove with clean water.
S 142-060-B00
(6)
Rub the surface dry with an oil and lint-free cheesecloth.
S 952-061-B00
(7)
Install a clean, protective cover on one surface only of each window.
NOTE: Do not put covers on the gasket area.
____
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