747-400
MAINTENANCE MANUAL
DISPLAY WITH THE "GROUND TEST"
SWITCH IN THE "ENABLE" POSITION.
EICAS APU Maintenance Page
Figure 2 (Sheet 3)
A48512
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A
747-400
MAINTENANCE MANUAL
PNEU AVAIL ON INLET TEMP 24 ELEC AVAIL ON L/C INLET TEMP 28 OP MODE MIN L/C EXIT TEMP 78 OIL PRESS NORM DUCT PRESS 0/0 FAN VALVE OPEN IGV CMD/POS 5/6 DV RST CMD/POS 0/0 ECS DEMAND 100
SERIAL NO. 200
GEN 1/2 LOAD 0/0
OPER HOURS 69
DC-A CHG 62 APU STARTS 93
DC-V 26
DATE 11JAN97 GMT 18:54:04
DISPLAY WITH THE APU
AT 100% N1 AND NO LOAD.
EICAS APU Maintenance Page
Figure 2 (Sheet 4)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
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A48513
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747-400
MAINTENANCE MANUAL
DISPLAY WITH THE BLEED VALVE
OPEN AND A GENERATOR LOAD.
EICAS APU Maintenance Page
Figure 2 (Sheet 5)
A48515
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
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A
747-400
MAINTENANCE MANUAL
DISPLAY WITH THE NUMBER 2 PACK ON.
EICAS APU Maintenance Page
Figure 2 (Sheet 6)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A48516
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747-400
MAINTENANCE MANUAL
DISPLAY WITH PACK 1,2, AND 3 ON.
EICAS APU Maintenance Page
Figure 2 (Sheet 7)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
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A48517
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747-400
MAINTENANCE MANUAL
DISPLAY DURING AN ENGINE START
EICAS APU Maintenance Page
Figure 2 (Sheet 8)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
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A48520
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MAINTENANCE MANUAL
(6)
F FILTER - (NORM or BYPASS) The F FILTER display shows the signal from the bypass indicator for the fuel filter. When the fuel flow through the fuel filter is correct, the F FILTER display will show NORM. When the fuel filter bypass indicator sends a signal to the APUC that there will be a filter bypass condition, the F FILTER display will show BYPASS.
(7)
BLEED VALVE - (OPEN or CLOSED) The BLEED VALVE display shows the position of the APU bleed valve (open or closed) when the APU is operated.
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