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时间:2011-03-27 22:13来源:蓝天飞行翻译 作者:航空
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 _______CAUTION : DO THE PREPARATION PROCEDURE VERY CAREFULLY. IF THE SURFACE OF THE PARTS IS NOT FULLY CLEAN AND DRY, THE SEALANT WILL NOT BOND CORRECTLY TO THE PARTS. THE PRESSURE SEAL WILL THUS NOT BE CORRECTLY SEALED.
 - Find the point of passage on the cable bundle.

 


 Pressure Seal (Compound Filled) - Characteristics NSA934710 R Figure 006


20-43-42 Page 1220-43-42 Page 13

 - Remove the cable ties at this point over a length sufficient for easy access to the cables in the middle of the bundle. - Clean all the parts to be reactivated with a CLEANING AGENTS (Material No. 11-004A) or equivalent. - The surfaces must be fully dry before you apply the SEALANTS (Material No. 09-002) or (Material No. 09-016).
R R R  (3) Preparation of the Compound - In a container, weigh the necessary quantity of SEALANTS base (Material No. 09-002) or ( Material No. 09-016) - Add the applicable weight of SEALANTS accelerator (Material No. 09-002) or ( Material No. 09-016) (Refer to table that follows) .
 ----------------------------------------------
| Mat N. | Part of | Part of | | | base | accelerator | |--------------------------------------------| | 09-002 | 7.5 | 1 | |--------------------------------------------| | 09-016 | 10 | 1 | ----------------------------------------------
- Fully mix the two components (e.g. with a drill with a mixer end fitting), - When you have a homogeneous mixture, apply the compound.
R R  ____NOTE : The pot life of the compound depends on the quantity of catalyst in the base product. Quantify the proportions according to the time necessary to do the work.
 ____NOTE : The compound is fully cured after 72 hours.

 


 (4) Sealing procedure R (Ref. Fig. 007)
 _______
WARNING : DO NOT GET THE COMPOUND ON YOUR SKIN OR IN YOUR EYES. IF YOU GET IT ON YOUR SKIN:
 -
REMOVE AS MUCH AS POSSIBLE WITH A CLEAN CLOTH


 -
REMOVE THE REMAINING COMPOUND WITH SOAP AND FLUSH WITH
 CLEAN WATER.
 IF YOU GET IT IN YOUR EYES:

 

 -FLUSH IT AWAY WITH CLEAN WATER

 -GET MEDICAL AID IF NECESSARY.

 -Cut the spring spacers to a length slightly shorter than that of the seal fitting ( 25 mm (0.9842 in.) to 40 MM (1.5748 IN.) depending on the pressure seal shell)
R - Put the spring spacers on each wire gauge 20 and under, on two wire R gauges 22 and 24 or on each twisted bundle (Ref, detail A).
 -
Put the spacers in position in the seal fitting (Ref. detail B).

 -
Put the gun nozzle between each wire and move it while you extrude the compound in order to coat all the wires with the SEALANTS (Material No. 09-002) or (Material No. 09-016).


 -Make sure that the nozzle is at the surface of the product level to prevent the formation of air bubbles. The necessary pressure is approximately 3 bar (43.5113 psi).
 -Install the half shells (1 and 2) of the seal when the assembly is correctly filled.
 -Use a cable clamp and tighten it slowly until the half-shells are put together, then discard the clamp (Ref. detail C).
 -Wind protective adhesive tape (50 mm (1.9685 in.) width) three times around the end of the seal fitting (Ref. detail D).
 -Close with adhesive tape and crepe paper (19 mm (0.7480 in.) width) (Ref. detail E).
 -Repeat at the other end of the seal. R - Make a hole in the tape at one of the injection holes of the seal R fitting (Ref. detail E).
 -Fill the flange with SEALANTS (Material No. 09-002) or (Material No. 09-016) and attach the seal fitting.
 -Inject the SEALANTS (Material No. 09-002) or (Material No. 09-016) through the first hole until it shows between the gaps or on the wires.
 -Close the hole with adhesive tape.
 -Make another hole and do again the filling operation.
 -Do the same with all the holes of the seal fitting.
 -After the curing time has elapsed, remove the tapes and clean off surplus sealant with CLEANING AGENTS (Material No. 11-004A) or equivalent.


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 Pressure Seal (Compound Filled) - Sealing Procedure NSA934710 R Figure 007


20-43-42 Page 15

 ________________________
4. Cable Addition 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. 
 
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