737-300 400 500 AMM 飞机维护手册 空调 AIR CONDITIONING 1(66)

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____ of the tape between the taped joints of the overhead distribution duct easier. The tool will be used to put the replacement tape into position where limited access exists.
 The tool is intended to be used only one time and then discarded.
 B. Consumable Materials
 (1)  Adhesive (AMM 20-30-11/201)
 (a) A00929 BAC 5010, Type 58 (BMS 5-7, Type II)(EC-4419)
 NOTE: EC-2155 is not recommended, but it may be used until
____ your supply is used.
 (2)  Solvent (AMM 20-30-31/201)
 NOTE: You can use one of these solvents.
____
 (a)  
B00090 - 1, 1, 1 - Trichloroethane, O-T-620

 (b)  
E00049 - Toluene, TT-T-548 or JAN-T-171 Grade A

 (c)  
B00036 - Freon 113 (TF)

 (3)  
Tape - Fiberglass Cloth (optional) (Ref 20-30-51/201)

 (a)  G02128 Style 1500, 2964, or 7500; Finish S-910 or equivalent, 8 ounces, 4-inches wide

 (4)  
Tape - Nomex Fabric (preferred)(AMM 20-30-51/201)

 (a)  G01400 HT1-41, 4-inches wide

 (5)  
G00034 - Wipers - Cloth

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 C.  Access
 (1)  Location Zone
 100 Upper Half of Fuselage

 D.  Procedure
 S 424-010
 (1)  
Put the duct in its position and make sure you install the
 isolators.

 S 434-011

 (2)  
Install the fasteners or the clamps to hold the duct to the duct brackets and the ceiling supports.

 S 394-019

 (3)  
Do these steps to apply the new tape to the duct joints with the adhesive BMS 5-7, Type II:

 WARNING: OBEY THE INSTRUCTIONS FROM THE INDUSTRIAL HYGIENE, FIRE,
_______ AND SAFETY ORGANIZATIONS FOR THE NECESSARY PROCEDURES AND EQUIPMENT WHEN YOU USE SOLVENTS. DO NOT GET THE SOLVENTS IN YOUR MOUTH OR EYES, OR ON YOUR SKIN. DO NOT BREATHE THE FUMES FROM THE SOLVENTS. USE A PROTECTIVE SPLASH GOGGLE, GLOVES, AND A RESPIRATOR (IN CONFINED AREAS) WHEN YOU USE THE SOLVENTS. KEEP THE SOLVENTS AWAY FROM ALL SOURCES OF IGNITION (HEAT, FLAME, AND SPARKS). THE SOLVENTS YOU USE ARE POISONOUS AND FLAMMABLE. IF YOU DO NOT USE THE CORRECT PROCEDURES AND EQUIPMENT, INJURY TO PERSONS OR DAMAGE TO THE EQUIPMENT CAN OCCUR.
 (a)  
Clean the duct joint area with a cloth wiper that is moist with the solvent.

 (b)  
Dry the duct joint with a clean cloth wiper before the solvent dries fully.

 (c)  
Mix one part of the toluene with two parts of the adhesive by volume to make the adhesive thin.

 (d)  
Do one or more of these procedures to apply the tape to the duct joints: 1) Procedure 1

 a)  Apply a 0.020 to 0.030 inch thick layer of the adhesive to one side of the tape and to the end of the duct. b) Apply the tape to the duct while the adhesive is wet.
 NOTE: The tape must make a 1.5 inch overlap (minimum)
____ on each side of the duct joint. The ends of the tape must make a 1 to 2 inch overlap at the duct joint.
 c)  Apply a layer of the adhesive to the top of the tape.
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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 ALL  ú ú 08 Page 407 ú Nov 15/97
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
 2)

3)

A
737-300/400/500MAINTENANCE MANUAL
Procedure 2
 a)  Apply a 0.040 to 0.060 thick layer of the adhesive which is 3 inches wide to each end of the duct.
 b)  Apply the tape to the duct while the adhesive is wet.
 NOTE: The tape must make a 1.5 inch overlap (minimum)
____ on each side of the duct joint. The ends of the tape must make a 1 to 2 inch overlap at the duct joint.
 c)  Apply one layer of the adhesive to the top of the tape.
Procedure 3 (for duct locations which have limited access)
 a)  Put the tape on the installation tool (Fig. 402).
 b)  Apply a 0.040 to 0.060 inch thick layer of the adhesive to the tape.
　
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