WARNING: DO NOT GET THE SOLVENT IN YOUR MOUTH, OR YOUR EYES, OR ON YOUR
_______ SKIN. DO NOT BREATHE THE FUMES FROM THE SOLVENT. PUT ON A PROTECTIVE SPLASH GOGGLE AND GLOVE WHEN YOU USE THE SOLVENT. KEEP THE SOLVENT AWAY FROM SPARKS, FLAME, AND HEAT. THE SOLVENT IS A POISONOUS AND FLAMMABLE MATERIAL WHICH CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
 (6) If some oil is on the lower shroud, clean the lower shroud:
 (a)
Clean the lower shroud with the solvent.

 (b)
Dry the surface of the lower shroud with the air.

 S 116-011
 WARNING: DO NOT GET THE SOLVENT IN YOUR MOUTH, OR YOUR EYES, OR ON YOUR
_______ SKIN. DO NOT BREATHE THE FUMES FROM THE SOLVENT. PUT ON A PROTECTIVE SPLASH GOGGLE AND GLOVE WHEN YOU USE THE SOLVENT. KEEP THE SOLVENT AWAY FROM SPARKS, FLAME, AND HEAT. THE SOLVENT IS A POISONOUS AND FLAMMABLE MATERIAL WHICH CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
 (7) Clean the drain mast and the APU cowl door:
 (a)
Clean the drain mast and the APU cowl door with the solvent.

 (b)
Dry the drain mast and the APU cowl door with the air.

 S 416-012
 CAUTION: KEEP A MINIMUM CLEARANCE OF 0.18 INCHES (5 MM) BETWEEN THE
_______ ENGINE, FIRE DETECTOR, CLAMPS AND LOWER SHROUD.
 BE CAREFUL WHEN YOU MOVE THE LOWER SHROUD. DAMAGE TO THE SHROUD DRAIN LINES CAN OCCUR.
 (8) Install the lower shroud:
 (a) Hold the lower shroud against the upper shroud.
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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A
737-300/400/500MAINTENANCE MANUAL
 (b)  Close the shroud latches.
 S 416-013
 (9)  Close the APU cowl door:
 (a)  
Disconnect the door support rods.

 (b)  
Put the door support rods in the clips on the APU cowl door.

 (c)  
Close the APU cowl door.

 (d)  
Close the latches for the APU cowl door.

 S 866-014
 (10) Set the circuit breaker and the switch:
 (a)  
Remove the DO-NOT-CLOSE tag and close this circuit breaker: 1) E3-3 Electrical Shelf, APU Control Unit

 (b)  
Remove the DO-NOT-OPERATE tag from the APU master switch on the P5 forward overhead panel.

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
APU SHROUD DRAINS - CLEANING/PAINTING
_____________________________________
 1.  General_______
 A.  This procedure gives the task to clean the drain system of the APU
 shroud. The components for the drain system are installed on the lower
 shroud and the APU cowl door. The drain cups, drain line, drain
 reservoir, shroud drain and drain fittings are on the lower shroud. The
 drain mast and the drain seal plates are on the APU cowl door.

 TASK 49-16-11-107-001
 2.  APU Shroud Drains Cleaning (Fig. 701)__________________________
 A.  Standard Tools and Equipment
 (1)  Air Source - Compressed Dry, 90 to 100 psi
 B.  Consumable Materials
 (1)  B00722 Solvent - P-D-680
 C.  Access
 (1)  
Location Zones
 101 Control Cabin, LH
 205 Electronic Compartment
 703 APU Compartment

 (2)  
Access Panels
 1201 Electronic Equipment Access Door
 3804 APU Cowl Door

 D.  Procedure
 S 867-002
 (1)  Set the switch and the circuit breaker:
 (a)  
Set the APU master switch on the P5 forward overhead panel to the OFF position and attach a DO-NOT-OPERATE tag.

 (b)  
Open this circuit breaker and attach a DO-NOT-CLOSE tag: 1) E3-3 Electrical Shelf, APU Control Unit

 S 017-003
　
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