737-300 400 500 AMM 飞机维护手册 空调 AIR CONDITIONING 2(90)

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30  0.97  0.96  0.95  0.94  0.93  0.92  0.91  0.90 
35  0.98  0.97  0.96  0.95  0.94  0.93  0.92  0.91 
40  0.99  0.98  0.97  0.96  0.95  0.94  0.93  0.92 
45  1.00  0.99  0.98  0.97  0.96  0.95  0.94  0.93 
50  1.01  1.00  0.99  0.98  0.97  0.96  0.95  0.94 
55  1.01  1.01  1.00  0.99  0.98  0.97  0.96  0.95 
60  1.02  1.01  1.01  1.00  0.99  0.98  0.97  0.96 
65  1.03  1.02  1.01  1.01  1.00  0.99  0.98  0.97 
70  1.04  1.03  1.02  1.01  1.01  1.00  0.99  0.98 
75  1.05  1.04  1.03  1.02  1.01  1.01  1.00  0.99 
80  1.06  1.05  1.04  1.03  1.02  1.01  1.01  1.00 
85  1.07  1.06  1.05  1.04  1.03  1.02  1.01  1.01 
90  1.08  1.07  1.06  1.05  1.04  1.03  1.02  1.01 
95  1.09  1.08  1.07  1.06  1.05  1.04  1.03  1.02 
100  1.10  1.09  1.08  1.07  1.06  1.05  1.04  1.03 

____________ _______ Tbay is in `F.
Cf = (tbay = 460) * (29.92) Where: 529 Pbar Pbar is in IN. HG.
A 737-300/400/500MAINTENANCE MANUAL
 (3)  
C21001-12 Equipment Cooling System Performance Test Set (alternative)

 (4)  
F80237-13 Equipment Cooling System Performance Test Set (alternative)

 (5)  
Aluminum Foil Marker - BAC27DEX2015

 C. References
 (1)  
AMM 24-22-00/201, Manual Control

 (2)  
AMM 34-28-31/401, Inertial Reference Unit

 D. Procedure
 S 035-022
 (1)  Remove the IRUs from the E3-5 shelf (AMM 34-28-31/401).
TEST PORT  GAGE PRESS IN. H O2  GAGE PRESS CORRECTED IN. H O2  MIN ACCEPTABLE PRESS IN. H O2  OK LOW OR HIGH CORRECTED PRESS STATUS 
1  0.5 
2  0.5 

Test Data Sheet
Figure 504

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
 S 865-023
 (2)  Supply electrical power (AMM 24-22-00/201).
 S 865-024
 (3)  Make sure these circuit breakers on the P18-3 panel are closed:
 (a) NORMAL SUPPLY FAN POWER
 (b) NORMAL SUPPLY FAN CONTROL
 S 865-025
 (4)  Set the EQUIP COOLING SUPPLY switch on the P5 overhead panel to the
 NORMAL position.
 S 865-026
 (5)  Close the E/E compartment hatch if the ambient temperature is below
 40 degrees Fahrenheit.
 S 285-027
 (6)  Measure the temperature in the E/E Bay between the E-2 and the E-3
 racks with a thermometer.
 S 975-028
 (7)  Make a record of the E/E Bay temperature.
 S 975-029
 (8)  Make a record of the barometric pressure.
 NOTE: The standard barometric pressure for the altitude where the____
 test is done is satisfactory.

 S 215-030
 (9)  
Before you take the pressure measurements, hold the pressure indicator vertically and make sure that it reads "zero".

 S 015-045

 (10)
 Remove the "REMOVE FOR COOLING TEST ONLY" foil markers from the test ports in the cooling supply ducts to the E3-5 shelves.

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 S 785-031
 (11)
 Measure and make a record of the pressure at the test ports (Fig. 501 and Fig. 504).
　
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