6) Clean the surface with a clean cheesecloth that is moist with MEK or naphtha until you remove all remaining particles.
7) Immediately dry the surface with a clean cheesecloth.
8) Clean the surface again if it is necessary.
To clean the clad aluminum surfaces that do not have primer
applied, do these steps:
1) Remove all loose dirt, grease or oil from the surface with a clean cheesecloth.
2) Clean the surface with a clean cheesecloth that is moist with MEK.
3) Immediately dry the surface with a clean cheesecloth.
4) Lightly rub the clad surface with Scotchbrite sheets until the mating surface is not shiny.
5) Remove the remaining particles with a clean cheesecloth.
NOTE: Do not use solvent to remove the remaining
____
particles.
6) Clean the surface with a cheesecloth that is moist with BMS 11-7 solvent until you remove all of the remaining particles.
7) Immediately dry the surface with a clean cheesecloth.
8) Clean the surface again if it is necessary.
To clean the metal surfaces that have BMS 10-11 primer applied,
do these steps:
NOTE: It is not necessary to clean the metal surface if the
____ BMS 10-11 primer was applied in less than 6 hours.
1) For surfaces that have the primer applied between 6 to 48 hours, clean the surface with a cheesecloth that is moist with naphtha.
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737-300/400/500MAINTENANCE MANUAL
2) Immediately dry the surface with a clean cheesecloth.
3) For surfaces that have the primer applied for more than 48 hours, clean the surface with a cheesecloth that is moist with BMS 11-7 solvent.
4) Immediately dry the surface with a clean cheesecloth.
5) Clean the surface again if it is necessary.
S 398-003-B00
(2) Do these steps to apply the adhesive on the mating surfaces:
(a)
In less than 1 hour before you apply the adhesive, make sure all the surfaces are clean.
(b)
Remove the rub pads with a hardwood or plastic wedge.
(c)
Use heat lamps to make the adhesive soft.
NOTE: Do not apply heat at a temperature of 190°F or more.
____ Use a thermocouple to measure the temperature.
(d) Remove the remaining adhesive from the surface with a hardwood or plastic wedge.
WARNING: DO NOT GET METHYL ETHYL KETONE (MEK) IN YOUR MOUTH OR
_______ EYES, OR ON YOUR SKIN. DO NOT BREATHE THE FUMES FROM MEK. PUT ON A PROTECTIVE SPLASH GOGGLE AND GLOVES WHEN YOU USE MEK. KEEP MEK AWAY FROM SPARKS, FLAME, AND HEAT. MEK IS A POISONOUS AND FLAMMABLE SOLVENT WHICH CAN CAUSE INJURY OR DAMAGE.
(e)
Clean the area with a clean cheesecloth that is moist with MEK.
(f)
Immediately dry the area with a clean cheesecloth.
(g)
Refer to the manufacturer's instruction to mix the base component and the curing agent. Make sure the mixture is smooth and constant. Keep the air bubbles to a minimum when you mix the components.
NOTE: Class B-2 sealant has a pot life of 2 hours and class
____ B-1/2 has a pot life of 1/2 hour at 70°F. Keep the components that were not mixed in clean, airtight metal containers at 70°F. Keep the mixed components at -20°F or lower. If the mixture is kept at temperatures from 20°F to 30°F, the mixture has a pot life of 7 days. If the mixture is kept at temperatures from -30°F and and and -40°F, the mixture has a pot life of 10 days. If the mixture is kept at temperatures below -40°F, the mixture has a pot life of 14 days.
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