(4)
Work Box, Insulated (available from Advanced Metal Components, Incorporated by P/N WB910825-01).
(5)
Safety Glasses (commercially available).
(6)
Face Shield (commercially available).
C. Consumable Materials
(1)
G00262 Liquid Nitrogen
(2)
B01000 Solvent - General Cleaning of Metal (Series 80)
D. Procedure ú ú S 868-364 ú ú
WARNING:_______DO NOT USE CRYOLIVE FLARELESS SLEEVE ASSEMBLIES ON ANY OXYGEN ú LINES OR ON FLUID LINES INSIDE THE FIRE ZONES ON ENGINES OR ú APU'S. DAMAGE TO EQUIPMENT OR INJURY TO PERSONS CAN OCCUR. ú THE CRYOLIVE FLARELESS SLEEVE ASSEMBLY IS NOT QUALIFIED FOR ú THESE APPLICATIONS. ú
(1) Remove pressure from the system where you will do repairs and allow the hydraulic fluid to drain into a suitable container.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
20-10-09
ALL ú ú 01.1 Page 815 ú Sep 28/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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757
MAINTENANCE MANUAL
S 218-251
(2) Make sure that the tube end where you will install the Cryolive flareless sleeve assembly is round, smooth and free of scratches and burrs.
S 118-252
WARNING: DO NOT GET SOLVENTS IN YOUR MOUTH, OR YOUR EYES, OR ON YOUR
_______ SKIN. DO NOT BREATHE THE FUMES FROM SOLVENTS. SOLVENTS ARE HAZARDOUS MATERIALS. SOLVENTS MAY BE FLAMMABLE OR HARMFUL TO THE ENVIRONMENT. REFER TO PRODUCT MATERIAL SAFETY DATA SHEETS (MSDS) AND LOCAL REQUIREMENTS FOR PROPER HANDLING PROCEDURES.
(3) Use solvent, Series 80 (AMM 20-30-80/201) to clean the tube in the area where you will install the Cryolive flareless sleeve.
S 948-253
WARNING:_______USE EXTREME CAUTION WHEN USING LIQUID NITROGEN. THE TEMPERATURE OF LIQUID NITROGEN IS 320 DEGREES BELOW ZERO. PROVIDE PROPER VENTILATION AS LIQUID NITROGEN VAPORS CAN DISPLACE OXYGEN IN CONFINED AREAS. USE SAFETY GLASSES, A FACE SHIELD, AND INSULATED GLOVES WHEN USING LIQUID NITROGEN. MISSUSE OF LQUID NITROGEN CAN CAUSE INJURY TO PERSONS.
(4)
Put on insulated gloves, safety glasses, and face shield.
S 948-254
(5)
Put liquid nitrogen BB-N-411, Type II, MIL-P-27401, Type II (-320 °F), into a small, insulated container.
S 948-255
WARNING: SLOWLY AND CAREFULLY SUBMERGE WARM ITEMS IN LIQUID NITROGEN TO
_______ PREVENT RAPID BOILING OFF AND SPLASHING. MISSUSE OF LIQUID NITROGEN CAN CAUSE INJURY TO PERSONS.
(6)
Remove the Cryolive flareless sleeve/coupling nut/protective cap assembly from the main storage container and put it into the small container of liquid nitrogen. Make sure the assembly is fully covered by the liquid nitrogen.
S 948-256
(7)
Move the Cryolive flareless sleeve/coupling nut/protective cap assembly in the liquid nitrogen (-320 °F) to the repair location.
(8)
Put the tongs into the liquid nitrogen.
S 948-257
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
20-10-09
ALL ú ú 01 Page 816 ú Sep 28/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757 MAINTENANCE MANUAL
S 038-258
(9) Using cooled tongs, remove the Cryolive flareless sleeve assembly from the liquid nitrogen and allow the excess liquid nitrogen to run off.
S 438-259
WARNING:_______DO NOT PUT GLOVED HAND IN LIQUID NITROGEN. THE LIQUID NITROGEN CAN "WICK" INTO THE GLOVE MATERIAL AND CAUSE INJURY TO YOUR HAND.
(10) Hold the Cryolive flareless sleeve assembly with the gloved hand and immediately slide it on to the tube end until the assembly bottoms on the tube. Ensure that the tube end is visible in the slotted end of the protective cap.
S 438-260
CAUTION: THE TUBE END MUST BE FULLY BOTTOMED AGAINST THE INSIDE END OF
_______ THE CAP SO THAT THE SLEEVE IS CORRECTLY POSITIONED ON THE TUBE END. IF THE TUBE END IS NOT BOTTOMED AGAINST THE INSIDE END OF THE CAP, REMOVE THE PLASTIC CAP AND MEASURE THE TUBE PROTRUSION PER THE "P" DIMENSION REQUIREMENT OF FIGURE 811. IF THE "P" DIMENSION IS INCORRECT, THE INSTALLATION MUST BE REPLACED.
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