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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.
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STEP 1 STEP 2
SEALANT LOADING PORT
SEALANT BLEED PORT
PRESSURE BOLT
STEP 3 STEP 4
Temporary Repair of Self-Sealing Rivets
Figure 809
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