A320 ESPM Electrical Standard Practices Manual 3(15)

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R  A. Tools 
R  - Cutter. 
R  - Gimlet-type manual tool. 
R 
R  B. Consumable material 
R  - Adhesive tape - High temperature ASN-A3565, 19 mm (0.7480 in.). 
R  - CLEANING AGENTS (Material No. 11-004) or equivalent. 
R 
R  C. Job set-up 
R  (Ref. Fig. 008) 
R  - Check if you can add new cable. 
R  To do this, the diameter of the harness already installed plus that of 
R  the cable to be added must be less than the interior diameter of the 
R  pressure seal. There is usually enough space for 3 18-gauge wires. 
R  In addition, the axis of the harness must be perpendicular to the 
R  structure that supports the pressure seal.
R  ____NOTE : If you cannot add new cable, you can: 
R  - remove the sealant, 
R  - clean the pressure seal and each cable of the harness already 
R  installed with a CLEANING AGENTS (Material NO. 11-04), 
R  - add the new cable on the harness, 
R  - do the sealing procedure again. 
R 
R  D. Addition Procedure 
R  (Ref. Fig. 009)
 _______CAUTION : ALWAYS POINT THE TOOL TO THE EDGE OF THE SHELL TO PREVENT
 DAMAGE TO THE CABLES.
 ONLY MANUAL TOOLS ARE PERMITTED.

 

20-43-42 Page 16

R Pressure Seal(Compound Filled) - Cable Addition Procedure R ABS0122 or NSA934710 R Figure 008

20-43-42 Page 17

R Pressure Seal (Compound Filled) - Cable Addition Procedure ABS0122 or NSA934710
R Figure 009

20-43-42 Page 1820-43-42 Page 1920-43-43 Page 1

R  - Put a protection of high temperature adhesive tape on the cable bundle 
R  for 100 mm (3.9370 in.) approx. on each side of the pressure seal.
 - With a cutter, make a horizontal and a vertical cut in the compound to
 get a flat surface 
R  (Ref. Fig. 009)
 - Make a hole in the compound to the other end of the pressure seal with
 a gimlet-type manual tool.
 - Clean and degrease the pressure seal with a CLEANING AGENTS (Material
 No.11-004) or equivalent. 
R  - If necessary, slide the spring spacer(s) on the cable(s).
 - Install the cable(s) in the pressure seal.
 - Fill with compound.
 - Remove the cable protections. 
R
R  __________________________5. Wire Replacement Procedure
R  _______WARNING : USE SOLVENTS/CLEANING AGENTS, SEALANTS AND OTHER SPECIAL MATERIALS 
R  ONLY WITH A GOOD FLOW OF AIR THROUGH THE WORK AREA. 
R  THESE MATERIALS ARE POISONOUS AND FLAMMABLE AND SKIN IRRITANTS. 
R  OBEY THE MANUFACTURERS INSTRUCTIONS. 
R  PUT ON PROTECTIVE CLOTHING. 
R  DO NOT GET THEM IN YOUR MOUTH. 
R  DO NOT SMOKE. 
R  DO NOT BREATHE THE GAS. 
R  GET MEDICAL HELP IF YOUR SKIN OR EYES BECOME IRRITATED. 
R  A. Tools 
R  - Scissors 
R  - Cutter. 
R  - Gimlet-type manual tool. 
R  B. Consumable material 
R  - Adhesive tape - High temperature ASN-A3565, 19 mm (0.7480 in.). 
R  - CLEANING AGENTS (Material No. 11-004) or equivalent. 
R  C. Replacement procedure 
R  - Cut the wire to be replaced on each side of the pressure seal. 
R  - Install a shrinkable sleeve or end cap on each end of the wire. 
R  - Add the new wire in accordance with the cable addition procedure.

 

 __________________________________________________________ADHESIVE SEALANT PRESSURE SEAL - DESCRIPTION AND OPERATION
 _______1. General
 The adhesive sealant pressure seals installed on aircraft have the code that
 follows:
 - ABS1378
R  _______2. ABS1378 
R  (Ref. Fig. 001) 
R  A. P/N Identification 
R  ABS1378 - 1 - B 
R  | | | 
R  | | ------------- Harness size code 
R  | ----------------- Shell size code 
R  ----------------------- Standard P/N 
R  B. P/N Characteristics 
R  (1) Temperature 
R  Minimum operating temperature is -55 DEG.C (-67.00 DEG.F) 
R  Maximum operating temperature is 105 DEG.C (221.00 DEG.F) 
R  (2) Shell, harness and accessory sizes 
R  -------------------------------------------------------------------------------
　
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