ELECTRONIC EQUIPMENT RACK, E3
(VIEW IN THE AFT DIRECTION)
Cooling Pack - Component Location
Figure 102 (Sheet 1)
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A
757 FAULT ISOLATION/MAINT MANUAL
PACK TEMPERATURE PACK STANDBY TEMPERATURE CONTROLLER CONTROLLER
Cooling Pack - Component Location (Detail from Sht 1)
Figure 102 (Sheet 2)
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757
FAULT ISOLATION/MAINT MANUAL
FAN/AIR PLENUM/DIFFUSER PRIMARY HEAT EXCHANGER
AIR CYCLE MACHINE (ACM)
TEMPERATURE SECONDARY HEATCONTROL VALVE EXCHANGER(NOT VISIBLE)
SEE K SHT 5
LOW LIMIT
CONTROL VALVE
SEE J SHT 5
CONDENSER
SEE E SHT 4
PACK
RAM AIR OVERHEAT
INLET DUCT SWITCH (REF)
SEE G SHT 5 COMPRESSOR OUTLET SENSOR (2 LOCATIONS)
SEE C SHT 4
WATER SPRAY NOZZLE (REF)
COMPRESSOR OUTLET OVERHEAT SWITCH
WATER SEE F SHT 4
EXTRACTOR
FLOW CONTROL
AND SHUTOFF
SPLIT-DUCTCABIN AIR
VALVE
REHEATER WATER SEPARATORSUPPLY CHECK VALVE
SEE I SHT 5 SEE H SHT 5
FWD SENSOR (2 LOCATIONS) PACK TEMPERATURE
SEE D SHT 4
LEFT PACK SHOWN
(RIGHT PACK EQUIVALENT)
Cooling Pack - Component Location
Figure 102 (Sheet 3)
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FAULT ISOLATION/MAINT MANUAL
DUCT (REF)
PACK TEMPERATURE SENSOR
COMPRESSOR OUTLET SENSOR CD
CONDENSER
FWD
E
DUCT (REF)
FORWARD BULKHEAD OF LEFT ECS BAY COMPRESSOR OUTLET OVERHEAT SWITCH
(REF)FWD INBD
F
ALTITUDE SWITCH
Cooling pack - Component Location (Details from Sht 3)
Figure 102 (Sheet 4)
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FAULT ISOLATION/MAINT MANUAL
OVERHEAT SWITCH
PACK OVERHEAT SWITCH
CABIN AIR SUPPLY CHECK VALVE G
H
FLOW CONTROL AND SHUTOFF VALVE
I
FWD FWD
LOW LIMIT CONTROL VALVE TEMPERATURE CONTROL VALVE
JK
Cooling Pack - Component Location (Details from Sht 3)Figure 102 (Sheet 5)
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757 MAINTENANCE MANUAL
COOLING PACK SYSTEM - ADJUSTMENT/TEST
_____________________________________
1. General_______
A. This procedure supplies instructions to do the operational test and the system test for the cooling pack system.
TASK 21-51-00-745-159
2. BITE Tests - Pack Temperature and Pack Standby Controllers__________________________________________________________
A. References
(1)
AMM 06-41-00/201, Fuselage Access Doors and Panels
(2)
AMM 06-46-00/201, Entry, Service and Cargo Doors
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