E. Procedure
S 027-002
(1) Remove the fan screen:
(a) Remove the screws which attach the screen to the fan and remove the fan screen.
S 167-003
(2) Clean the fan screen:
(a) Remove all the loose material from the fan screen.
NOTE: Use a vacuum cleaner or compressed air.
____
(b)
Wash the fan screen with soap and water.
(c)
Rinse the fan screen with clean water.
(d)
Dry the fan screen with a dry cloth.
S 427-004
(3) Install the fan screen.
(a) Put the screen in place and install the screws to attach the fan screen to the fan.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
21-58-15
ALL ú ú 01 Page 701 ú Feb 10/95
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 FAULT ISOLATION/MAINT MANUAL
TEMPERATURE CONTROL SYSTEM
COMPONENT SHT 102 FIG. QTY ACCESS/AREA AMM REFERENCE
ACTUATOR - RAM AIR EXIT DOOR
PACK 1, V156 9 1 191EL, AIR CONDITIONING ACCESS 21-62-05
PANEL
PACK 2, V157 9 1 191ML, AIR CONDITIONING ACESS 21-62-05
PANEL
PACK 3, V158 9 1 192ER, AIR CONDITIONING ACCESS 21-62-05
PANEL
ACTUATOR - RAM AIR INLET DOOR
PACK 1, V105 9 1 WING TO BODY FAIRING 21-62-03
PACK 2, V106 9 1 WING TO BODY FAIRING 21-62-03
PACK 3, V107 9 1 WING TO BODY FAIRING 21-62-03
BULB - ZONE TEMPERATURE
AFT MAIN DECK 1,2, T1932,T1933 4 1 AREA ABOVE MAIN DECK CEILING, AFT 21-61-05
BULK CARGO COMPARTMENT, T962 4 1 BULK CARGO COMPARTMENT, LEFT 21-61-05
CREW REST AREA, T1939 3 1 AREA ABOVE CREW REST AREA CEILING 21-61-03
FLIGHT DECK, T1632 3 1 FLT COMPT, LEFT 21-61-03
FORWARD MAIN DECK 1,2, T1926,T1928 4 1 AREA ABOVE MAIN DECK CEILING, 21-61-03
FORWARD
LOWER AFT CARGO, T507 4 1 AFT CARGO COMPARTMENT, RIGHT 21-61-05
LOWER FORWARD CARGO, T1642 4 1 FORWARD CARGO COMPARTMENT, LEFT 21-61-05
UPPER DECK, T1633 4 1 UPPER DECK, RIGHT 21-61-03
CARD - ECS MISC PCA, YMLA13 1 1 117AL, MAIN EQUIPMENT CTR, E2-4 21-26-02
CONTROLLER - A PACK TEMPERATURE, M7911 1 1 117AL, MAIN EQUIPMENT CTR, E2-4 21-62-06
CONTROLLER - B PACK TEMPERATURE, M7912 1 1 117AL, MAIN EQUIPMENT CTR, E2-4 21-62-06
CONTROLLER - ZONE TEMPERATURE, M7913 1 1 117AL, MAIN EQUIPMENT CTR, E2-4 21-61-01
MODULE - CABIN TEMPERATURE CONTROL, M7329 2 1 FLT COMPT, P5 *
MODULE - CABIN TEMP SELECTOR, M7914 1 1 UPPER DECK, NEXT TO LAVATORY DOOR *
SENSOR - ZONE DUCT TEMPERATURE
AFT MAIN DECK, T1934 6 1 AREA ABOVE CEILING, AFT 21-61-16
CREW REST AREA, T1937 6 1 AREA BEHIND CREW REST AREA 21-61-16
FLIGHT DECK, T1647 6 1 AREA BEHIND CREW REST AREA 21-61-16
FORWARD MAIN DECK, T1929 6 1 AREA ABOVE CEILING, FORWARD 21-61-16
LOWER AFT CARGO, T1658 6 1 BODY LDG GEAR WELL, RIGHT 21-61-16
LOWER FORWARD CARGO, T1657 6 1 192BR, AIR COND ACCESS PANEL 21-61-16
UPPER DECK, T1648 6 1 AREA BEHIND CREW REST AREA 21-61-16
SENSOR - PACK DISCHARGE TEMPERATURE
PACK 1, SENSOR A, T1609 10 1 191NL, AIR CONDITIONING ACCESS 21-62-07
DOOR
PACK 1, SENSOR B, T1612 10 1 191NL, AIR CONDITIONING ACCESS 21-62-07
DOOR
PACK 2, SENSOR A, T1610 10 1 191NL, AIR CONDITIONING ACCESS 21-62-07
DOOR
PACK 2, SENSOR B, T1613 10 1 191NL, AIR CONDITIONING ACCESS 21-62-07
DOOR
PACK 3, SENSOR A, T1611 10 1 191HR, AIR CONDITIONING ACCESS 21-62-07
DOOR
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