NOTE: In subfreezing temperatures, prewarm windows using electrical heating circuits.
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WARNING: THIS CLEANER IS FLAMMABLE AND ITS USE REQUIRES
SUBSEQUENT REAPPLICATION OF RAIN REPELLENT.
NOTE: If hardened rain repellent stains remain on the windshield or windows after normal washing, these may be removed with a repellent remover pad or by hand-scouring with a mild detergent solution and a plastic abrasive pad such as nylon knit over a foam core. Hand polishing with an optical grade polishing compound allied with a wet outing flannel cloth may be used as an alternative method. Rinse the window with clean tap water after using either method.
Do not use the optical polishing compound with the plastic abrasive pad. Do not use household grade abrasive cleaners because of uncontrolled grit size.
(d) Close all window electrical heating circuits.
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F. Put the Airplane Back in Its Usual Condition
WARNING: FAILURE TO REMOVE COVERS FROM PITOT PROBES BEFORE FLIGHT MAY CAUSE LARGE ERRORS IN AIRSPEED-SENSING AND ALTITUDE-SENSING SIGNALS WHICH MAY LEAD TO LOSS OF SAFE FLIGHT.
CAUTION: REMOVE ALL COVERS. ENGINES SHOULD NOT BE OPERATED WITH COVERS IN PLACE, BECAUSE THE COVERS CAN COME OFF AND DAMAGE THE ENGINES.
(1)
Remove covers from the following components:
(a)
Pitot probes
(b)
Engine inlet and turbine exhaust
(c)
Brakes
(d)
Tires
(2)
Remove the “PITOT PROBES COVERED” tag from the left control wheel in the flight deck.
WARNING: FAILURE TO REMOVE BARRICADE TAPE AND VINYL ADHESIVE TAPE FROM STATIC PORTS BEFORE FLIGHT MAY CAUSE LARGE ERRORS IN AIRSPEED-SENSING AND ALTITUDE-SENSING SIGNALS, WHICH MAY LEAD TO LOSS OF SAFE FLIGHT.
CAUTION: REMOVE ALL BARRICADE TAPE, COVERS, PLYETHYLENE SHEET AND VINYL ADHESIVE TAPE. ENGINES SHOULD NOT BE OPERATED WITH COVERS IN PLACE BECAUSE THE COVERS CAN COME OFF AND DAMAGE THE ENGINES.
(3)
Remove all barricade tape, covers, polyethylene sheet and vinyl adhesive tape from the following openings:
(a)
Static Ports
1) Inspect each static port and if necessary use naphtha or equivalent, and a clean dry rag to remove all tape residue, dirt and other contaminants around the static port.
(b)
Surge tank and fuel tank vents
(c)
APU exhaust duct outlet port
(d)
APU oil cooling air exhaust port
(e)
Equipment cooling ground supply valve port
(f)
Overboard exhaust valve port
(g)
Smoke clearance valve port
(h)
Ram air inlet and outlet doors
(i)
Outflow valve
(4)
Remove the “STATIC PORTS COVERED” tag from the left control wheel in the flight deck.
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3. Polish the External Surfaces of the Airplane
A. Equipment and Materials
(1)
Bonnet, Wool Pile - commercially available
(2)
Buffer Wheel, cotton cloth, 80/92 thread count, spiral sewn, 4- or 6-inch diameter, 5/8- or 7/8-inch thick, 1/4-inch diameter arbor hole - commercially available
(3)
Buffer Wheel, hard cloth, machine sewn, bias-type, 7 x 3 x 5/8-inch, 16 ply - commercial available
(4)
Burnishing Tool - commercially available
(5)
Sander/Polisher, Orbital, Air-driven - commercially available
(6)
Alodine 1000 - MIL-C-5541
(7)
Cheesecloth - Woven, Rymplecloth No. 301 (Ref. 20-30-51)
(8)
Compound - Cutting and Coloring, Schaffner No. 521, White Bar
(9)
Compound - Coloring, Schaffner No. 4094, Green Bar
(10)
Lubricant - Petroleum jelly (Ref. 20-30-01)
(11)
Pad - Scotch-Brite, fine or Ultrafine (Ref. 20-30-01)
(12)
Paste - Fine Polishing, Schaffner No. AS-0410 (Ref. 20-30-41)
(13)
Polish - Turco 1495-X (Ref. 20-30-41)
(14)
Wiper - BMS 15-5D, Class A (Ref. 20-30-51)
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