A320飞机维护手册 AMM EQUIPMENT/FURNISHINGS 设备2(122)

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R  (4) Welding procedure: 
R  WARNING : WHEN YOU PUT THE HOT AIR BLOWER DOWN, MAKE SURE THAT YOU_______ 
R  PUT IT ON A HEAT-RESISTANT SURFACE. THE HOT PARTS OF THE 
R  BLOWER CAN CAUSE A FIRE. 
R  WARNING : MAKE SURE THAT THERE IS A GOOD FLOW OF AIR THROUGH THE WORK_______ 
R  AREA. FUMES FROM WELDING ARE POISONOUS. 
R  WARNING : DO NOT TOUCH HOT PARTS. HOT PARTS CAN CAUSE BURNS. IF YOU_______ 
R  GET A BURN, HOLD IT IN COLD WATER FOR 10 MINUTES AND GET 
R  MEDICAL AID. 
R  NOTE : You must obey the manufactures instructions when you use the____ 
R  hot air blower.

 EFF : ALL
25-28-42Page 465

R R  Non-Textile Floor-Covering (NTF) - Welding Procedure Figure 405/TASK 25-28-42-991-013
 EFF :  ALL  25-28-42 Page 466 May 01/04
 CES 

 

R  (a) Set the working temperature of the HOT AIR BLOWER MAX OPERATING 
R  370 DEG C (700 DEG F) between 160 deg.C (320.00 deg.F) and 200 
R  deg.C (392.00 deg.F). 
R  (b) Cut the welding rod some centimeters / inches longer than the 
R  necessary length. 
R  (c) Welding procedure with speed welding nozzle (Step 2): 
R  CAUTION : MAKE SURE THAT:_______ 
R  - THE TEMPERATURE OF THE HOT AIR BLOWER IS NOT TOO HIGH 
R  - THE BLOWER DOES NOT MOVE TOO SLOWLY ALONG THE WELD. 
R  HIGH TEMPERATURES OR SLOW MOVEMENT OF THE HOT AIR 
R  BLOWER CAN BURN THE MATERIAL. 
R  1_  Put the welding rod into the inlet of the speed welding
R  nozzle. 
R  2_  Move the speed welding nozzle with light pressure and constant
R  speed along the groove. 
R  (d) Welding procedure with hand roller (Step 2A): 
R  CAUTION : MAKE SURE THAT:_______ 
R  - THE TEMPERATURE OF THE HOT AIR BLOWER IS NOT TOO HIGH 
R  - THE BLOWER DOES NOT MOVE TOO SLOWLY ALONG THE WELD. 
R  HIGH TEMPERATURES OR SLOW MOVEMENT OF THE HOT AIR 
R  BLOWER CAN BURN THE MATERIAL. 
R  1_  Put the end of the welding rod into the groove.
R  2_  Point the hot air blower directly at the lifted part of the
R  welding rod. 
R  3_  Push the welding rod into the groove with a hand roller. Use a
R  light pressure. 
R  4_  At the same time, move the hot air blower and the hand roller
R  along the groove at a constant speed. 
R  (e) When the welding rod is sufficiently cool, remove the unwanted 
R  weld with a spatular trimming knife. Make a smooth surface.

 EFF : ALL
25-28-42Page 467

R  (5) Apply primer: 
R  WARNING : OBEY THE MANUFACTURER'S INSTRUCTIONS WHEN YOU USE_______ 
R  THIS/THESE MATERIAL/S. 
R  USE PROTECTIVE CLOTHING, RUBBER GLOVES, GOGGLES AND A MASK. 
R  NOTE : The following procedure is only applicable for PUR or PVC____ 
R  NTF-Covering. It is not permitted to use it for Silicone NTF. 
R  Apply the primer only where the sealant (15) will be applied. 
R  (a) Make sure that the NTF surface is dry, dust and oil free. If 
R  necessary clean the surface with CLEANING AGENTS (Material No. 
R  11-004). 
R  (b) Install a Masking Tape around the edges and cut-outs of the NTF 
R  sheets, where the primer will be applied. 
R  (c) Apply primer BONDING AND ADHESIVE COMPOUNDS (Material No. 08-057) 
R  with a BRUSH - BRISTLED, SMALL: 
R  - Into the space between the NTF-assy (10) and interior equipment 
R  - Around all outer NTF contours equipment (toilet, galley, etc.). 
R  - Around all cut-outs. 
R  (6) Apply Sealant (15): 
R  WARNING : OBEY THE MANUFACTURER'S INSTRUCTIONS WHEN YOU USE_______ 
R  THIS/THESE MATERIAL/S. 
R  USE PROTECTIVE CLOTHING, RUBBER GLOVES AND GOGGLES. 
R  (a) Apply a bead of sealant SEALANTS (Material No. 09-036) to: 
R  - All outer NTF contours 
R  - The gap between NTF and interior equipment (toilet, galley, 
R  etc.). 
R  - All cut outs 
R  Refer to the Color Code Table 
R  (b) Remove the unwanted sealant with a SPATULA - NON METALLIC 
R  immediately. 
R  (c) Remove the masking tape. 
　
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