Static Port Cover Procedure
Figure 205
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G66078
A 737-300/400/500MAINTENANCE MANUAL
CABIN PRESSURIZATION OUTFLOW VALVE
Component Locations
Figure 206
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K18665
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S 842-024
CAUTION: MAKE SURE MIXTURE OF WATER DO NOT GET IN THE STEEL OR CARBON
_______ BRAKE HEAT SINKS. CONTAMINATION CAN CAUSE DAMAGE TO CARBON AND STEEL BRAKES.
(12) Make sure the brakes are properly covered.
S 842-009
CAUTION: DO NOT USE A CLEANER IF IT IS IN A STRATIFIED (NOT MIXED)
_______ CONDITION. A CLEANER THAT IS STRATIFIED CAN CAUSE A STAIN OR CORROSION ON THE AIRPLANE SURFACES.
(13) Examine the cleaner before you use it. If the cleaner does not look mixed, then mix it again. Examine the cleaner again after one hour. Discard the cleaner if it does not stay in a mixed condition.
F. Clean the Airplane
S 112-010
(1) Remove Light Material (dust and dirt) from Smooth Surfaces
(a) Move the flaps to the fully retracted position.
NOTE: To clean the flaps in the extended position, refer
____ to the Remove Material Around Sensitive Components procedure.
CAUTION: DO NOT USE THE CLEANERS IN HIGHER CONCENTRATIONS THAN
_______ SHOWN IN TABLE 201. HIGHER CONCENTRATIONS CAN CAUSE DAMAGE TO ACRYLIC WINDOWS, STAINS ON PAINTED SURFACES, AND CORROSION ON METALS.
(b) Mix the water-base alkaline cleaner from Table 201 for the condition of the surface that you will clean.
WARNING: DO NOT USE HIGH-PRESSURE SPRAY EQUIPMENT TO CLEAN
_______ MECHANICAL, ELECTRICAL, OR HYDRAULIC COMPONENTS. LIQUIDS THAT GET INTO THESE AREAS CAN CAUSE CORROSION, FREEZE DURING FLIGHT, OR REMOVE NECESSARY LUBRICANTS.
CAUTION: KEEP THE NOZZLE OF THE SPRAY EQUIPMENT MORE THAN 12 INCHES
_______ AWAY FROM THE SURFACE OF THE AIRPLANE. THE SPRAY CAN CAUSE DAMAGE TO THE SURFACE.
(c) Apply water to the area that you will clean.
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(d) Apply the cleaner to the applicable area with non-atomizing spray equipment, swabs, or brushes.
NOTE: To prevent scratches on the surface, soak the brushes
____
in the cleaner before you use them.
(e)
Let the cleaner soak for approximately five minutes. Apply the cleaner again if it is necessary to keep the surface wet.
(f)
Rub the surface with a brush to remove the unwanted material.
CAUTION: YOU MUST FLUSH THE SURFACE SUFFICIENTLY TO REMOVE ALL OF
_______ THE CLEANER. THE CLEANER CAN CAUSE CORROSION IF YOU DO NOT FULLY REMOVE IT FROM THE AIRPLANE SURFACE.
(g)
Flush the surface with clean, warm water (160°F maximum).
(h)
Dry the wet surface with air or towels.
S 112-011
(2) Remove Moderately Heavy Material (oil and mud) from Smooth Surfaces
(a) Move the flaps to the fully retracted position.
NOTE: To clean the flaps in the extended position, refer to
____ the Remove Material Around Sensitive Components procedure.
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