21-26-03
ALL ú ú 09 Page 402 ú Sep 20/88
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757 MAINTENANCE MANUAL
C. Prepare for Installation
S 624-005
(1)
Cut a new filter from the fiberglass filter material. Make sure that the new filter is the same size as the old filter.
S 164-011
(2)
Clean the grille with soap and water.
D.
Install the galley ventilation filter
S 424-006
(1) Put the new filter into the ventilation inlet.
NOTE: The filter material is two (2) inches thick, but
____ compresses to one (1) inch when it is installed.
S 414-007
(2)
Put the grille in position over the ventilation inlet.
(3)
Install the screws to keep the grille in position.
S 414-008
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
21-26-03
ALL ú ú 01 Page 403 ú Jun 20/93
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757 FAULT ISOLATION/MAINT MANUAL
PRESSURIZATION
COMPONENT FIG. 102 SHT QTY ACCESS/AREA REFERENCE
ACTUATOR - CABIN PRESSURE OUTFLOW VALVE, 3 1 822, AFT CARGO COMPT, CABIN 21-31-04
YBWM1 PRESS OUTFLOW VALVE, V15
CIRCUIT BREAKERS 2 FLT COMPT, P11
CABIN ALTITUDE CONTROL AUTO 1, C686 1 11N15 *
CABIN ALTITUDE CONTROL AUTO 2, C701 1 11N24 *
CABIN ALTITUDE CONTROL MANUAL, C683 1 11B14 *
CABIN ALTM, C4205 1 11B13 *
CABIN ALT/PRESS SELECT, C658 1 11B15 *
EICAS R, M10182 COMPUTER - (REF 31-41-00, FIG. 101) EICAS L, M10181 AIR DATA L, M100 AIR DATA R, M101 COMPUTER - (REF 34-12-00, FIG. 601) CABIN DIFF PRESS IND, C4206 1 11B12 *
CONTROLLER - CABIN PRESSURE 821, FWD CARGO COMPT, E5 RACK 21-31-02
NO. 1, M118 2 1
NO. 2, M119 2 1
AUTO THROTTLE, M966 MICROSWITCH PACK - (REF 22-32-00, FIG. 101) DIODE - R103151 119BL, MAIN EQPT CTR, P36 *
MODULE - HIGH ALTITUDE WARNING, M10756 1 2 1 FLT COMPT, P5 *
WARNING, M19 MODULE - PRESSURIZATION AND INDICATING 2 1 FLT COMPT, P5 21-33-01
MOTOR - OUTFLOW VALVE ACTUATOR AC, YBWM2 3 2 822, AFT CARGO COMPT, CABIN 21-31-03
PRESS OUTFLOW VALVE, V15
MOTOR - OUTFLOW VALVE ACTUATOR DC 3 1 822, AFT CARGO COMPT, CABIN 21-31-03
PRESS OUTFLOW VALVE, V15
PANEL - DISCRETE WARNING DISPLAY, M779 RELAY - (REF 31-01-37, FIG. 101) SYS 1 AIR/GND, K10238 SYS 2 AIR/GND, K207 HIGH ALT SEL/ENABLE, K10610 HIGH ALT SEL/INOP, K10611 RELAYS - (REF 31-01-36, FIG. 101) 1 1 2 1 FLT COMPT, P1 21-33-00
SELECTOR - CABIN PRESSURE, M13 2 1 FLT COMPT, P5 21-31-01
SENSOR - DIFFERENTIAL PRESSURE, TS5072 3 1 113AL, FWD EQUIP CTR 21-33-04
SWITCH - CABIN ALT WARNING, S431 119BL, MAIN EQUIP CTR, P361 *
SWITCH - CABIN HIGH ALT WARNING, S10553 1 1 119BL, MAIN EQUIP CTR, P36 *
SWITCH - THROTTLE POSITION, S17 2 1 113AL, FWD EQUIP CTR, MICRO- 22-32-04
SWITCH PACK, M966
SWITCH - THROTTLE POSITION, S18 2 1 113AL, FWD EQUIP CTR, MICRO- 22-32-04
SWITCH PACK, M966
SWITCH/LIGHT - HIGH ALT LANDING, YTLS1 1 2 1 FLT COMPT, P5, HIGH ALTITUDE *
WARNING MODULE, M10756
VALVE - CABIN PRESSURE OUTFLOW, V15 3 1 822, AFT CARGO COMPT 21-31-03
VALVE - POSITIVE PRESSURE RELIEF 1 2 822, AFT CARGO COMPT 21-32-01
VALVE - VACUUM PRESSURE RELIEF 1 2 119BL, MAIN EQUIP CTR 21-32-02
* SEE THE WDM EQUIPMENT LIST GUN 004-007
Pressurization - Component Index
Figure 101
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
21-30-00
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