28-11-00
 ALL  ú ú 01 Page 826 ú Sep 28/01

A

757 MAINTENANCE MANUAL
 k)  Clean the sealant from the temporary repair tool and the wing surface with solvent ,Series 93 (AMM 20-30-93/201).
 NOTE: Make sure you do not touch the area with the new
____
 sealant.

 5) Install a Click Patch. a) You can use a Click Patch kit to repair fuel leaks through Class C (Heavy Seep) (AMM 28-11-00/601).
 b)  Click Patch kits contain flat disks for fasteners that do not come out of the surface and hatted disks for rivets or bolts that are above the wing surface. The disks are put on the fasteners that leak.
 c)  The subsequent limits apply to Click Patch repairs: 1 You can install a Click Patch only after you make
_ sure there are no structural cracks in the area of the fuel leak.
 2 The maximum size of a Click Patch is 1.25 inches in
_ diameter. 3 A Click Patch is a temporary repair and you must
_ make a permanent repair when possible.
 (b) Apply a fillet seal to a sealed fastener.
 1)  Apply a precoat of correctly accelerated BMS 5-26 Type II Class A-2 sealant to the fastener and the area 1/2 inch in width in all directions from the fastener.
 NOTE: Precoat is optional when you use Pro-Seal 860, B 1/6
____
 sealant.

 a)  Use a stiff, bristled brush to apply the precoat on the
 surfaces and into crevices. 2) Let the precoat cure until it is not tacky. 3) Use a sealing gun or spatula and apply a layer of BMS 5-26
 Type II Class B or Pro-Seal 860, B 1/6 sealant around and on the fastener. 4) Move the sealant with a sealant fairing tool until you get the dimensions shown in Fig. 811 for the fillet seal. 5) Examine the sealant for holes, bubbles, or spaces. a) If there are holes, bubbles or spaces, do the procedure again.
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 28-11-00
 ALL  ú ú 01 Page 827 ú Sep 28/01

A
757
MAINTENANCE MANUAL

STEP 1  STEP 2

SEALANT LOADING PORT
SEALANT BLEED PORT
PRESSURE BOLT

STEP 3  STEP 4
Temporary Repair of Self-Sealing Rivets
Figure 809

EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 28-11-00
 ALL  ú ú 01 Page 828 ú Mar 20/94

A

757
MAINTENANCE MANUAL
　
中國航空網 m.k6050.com
航空翻譯 www.aviation.cn
本文鏈接地址：757 AMM 飛機維護手冊 燃油 CHAPTER 28 - FUEL 1(130)