EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. APLS WITH EFIS ú

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A

737-300/400/500
MAINTENANCE MANUAL

SEE A
HOUSING AIR CLEANER CLAMPS FANS SUPPLY  BSEE AIR CLEANER 
OB 
FWD 
A  LATCH RELEASE 
LATCH RELEASE HOUSING  AIR CLEANER  INLET AIR  PLENUM ANGLE 90` EXHAUST 
CLAMP  PLENUM EXHAUST TO 
CLAMP EXHAUST PLENUM 
PURGE TUBE AIR CLEANER  0.25 IN. MIN. 
CLAMP  FLEX HOSE  B 
EFIS Cooling Air Cleaner Installation Figure 201

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. APLS WITH EFIS ú

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
 B.
C.
D.
E.
A
737-300/400/500MAINTENANCE MANUAL
 (3)  The second method cleans the air cleaner fully, but special equipment and materials are necessary.
 (a)  
A solvent can be used to remove oils or greases from the metal surfaces.

 (b)  
Alkaline cleaners are recommended for the removal of dirt or

 other materials that are firmly adherred to the metal surfaces.Standard Tools and Equipment
 (1)  
Vacuum cleaner or source of dry compressed air

 (2)  
Dryer - Oven, capable of 140° F (60° C) (for method 2)

 (3)  
Bath - Parts, sufficient in size to soak the air cleaner, and capable of 130° F (54° C) (for method 2)

Consumable Materials

 (1)  
B00541 - Detergent - Mild

 (2)  
Solvents - Refer to AMM 20-30-80/201 for solvents recommended for the general cleaning of metals per BAC5750 (method 2).

 (3)  
B00615, Degreaser - Solvent Emulsion, NEUGENIC 4177 (method 2)

 (4)  
Alkaline Cleaners - Refer to BAC5744 for alkaline cleaners (method 2).

 (5)
G00034 - Wipers - Clean, dry lint-freeAccess

 (1)  
Location Zone 205 Electronic Compartment

Clean the Air Cleaner (method 1)
 S 022-043
 (1)  
Remove the air cleaner.

 S 162-044

 (2)  
Use the vaccum cleaner or compressed air to remove the unwanted materials from the swirl devices and the plenum.

 S 162-045

 (3)  
Use the soap and water to clean the air cleaner.

 (4)  
Flush the air cleaner with clean water.

 (5)  
Dry the air cleaner with the compressed air.

 (6)  
Use the detergent and the wiper to clean the air cleaner housing.

 (7)  
Flush the housing with a clean water.

 (8)  
Dry the housing with the wiper or compressed air.

 S 172-046
 S 162-047
 S 162-048
 S 172-049
 S 162-050
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. APLS WITH EFIS ú

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A
737-300/400/500MAINTENANCE MANUAL
 S 422-051
 (9)  Install the air cleaner.
 F. Clean the Air Cleaner (method 2)
 S 022-052
 (1)  
Remove the air cleaner.

 S 162-053

 (2)  
Use the vacuum cleaner or use compressed air to remove unwanted material from the swirl devices and the plenum.

 S 162-054

 (3)  
Soak the air cleaner in the cleaning solution, at 130° F (54° C) for one hour.

 S 172-055

 (4)
Shake and flush the air cleaner in the cleaning solution bath.

 (a)  Use a brush to loosen and remove remaining unwanted material.
 S 172-056
 (5)
　
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