Use one of the sealants that follow:
(a)
A00908 Pro-Seal 860, B 1/6
(b)
A00701 Sealant - BMS 5-26 Type II Class A,
for brush application
(c)
A00702 Sealant - BMS 5-26 Type II Class B,
for sealing gun and spatula applications
(d)
A00703 Sealant - BMS 5-26 Type II Class C,
for extrusion gun, roller, and spatula
application. Applicable for use only as a
faying surface sealant where a long
squeeze-out life is necessary
(e)
A00706 - Sealant, PR1826, Class B-1/2 or B-1/4, dark grey, available in 6 ounce semkits with primer.
NOTE: Use with PR-1826 adhesion promoter.
____
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D.
E.
F.
G.
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737-300/400/500MAINTENANCE MANUAL
(f) A00706 - Sealant, PR1828, Class B-1/2 or B-1/4, white, available in 6 ounce semkits.
NOTE: Use with PR-186 adhesion promoter on polysulfide
____
sealants.
(6)
A00057 Cement and Catalyst - Eastman 910References
(1)
AMM 12-11-00/301, Fuel Servicing
(2)
AMM 28-10-00/201, Storage
(3)
AMM 28-23-00/201, Defueling
(4)
SRM 51-00-00, StructuresAccess
(1)
Location Zones 221 Center Section Fuel Tank 305 Left Wing Fuel Tank 405 Right Wing Fuel Tank
Prepare for the Fuel Tank Repair
S 658-241
(1)
Defuel the applicable fuel tank (AMM 28-23-00/201).
S 658-242
(2)
Drain the fuel in the sumps (AMM 12-11-00/301).
S 848-243
WARNING: OBEY ALL OF THE SAFETY PROCEDURES TO GO INTO THE FUEL TANK.
_______ INJURY TO PERSONS AND DAMAGE TO EQUIPMENT CAN EASILY OCCUR.
(3) Prepare to go into the applicable fuel tank (AMM 28-10-00/201).Remove the Corrosion Resistant Finish (Topcoat) If It Is Necessary
NOTE: Usually it is not necessary to remove the finish from metal
____ adjacent to the repair area. Finish (topcoat) applied to the top of the sealant can be removed when you remove the sealant.
S 118-244
WARNING: DO NOT GET SOLVENTS IN YOUR MOUTH, OR YOUR EYES, OR ON YOUR
_______ SKIN. DO NOT BREATHE THE FUMES FROM SOLVENTS. SOLVENTS ARE HAZARDOUS MATERIALS. SOLVENTS MAY BE FLAMMABLE OR HARMFUL TO THE ENVIRONMENT. REFER TO PRODUCT MATERIAL SAFETY DATA SHEETS (MSDS) AND LOCAL REQUIREMENTS AND PROPER HANDLING PROCEDURES.
(1) If the surface has a finish layer (topcoat) on the top of the sealant, remove all of the finish from the sealant repair area.
(a) With abrasive paper, remove the finish until you see bare metal or sealant in a good condition.
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(b) With some clean gauze pads wet with solvent, Series 93 (AMM 20-30-93/201) clean all of the surfaces from which you removed the topcoat.
NOTE: Make sure you clean the surface of the sealant.
____
(c)
Dry the surfaces with a clean gauze pad.
(d)
Clean the surfaces and dry them again until the gauze is clean after you dry the surfaces.
H. Remove the Fuel Tank Sealant
S 148-328
(1) Use the sealant cutting tools (Fig. 802) to remove the sealant that has the leak.
(a)
Cut the part of the sealant that has the leak from the fillet (Fig. 803). 1) Cut the ends of the section with the leak at a slope to
cause the new sealant to make an overlap with the remaining sealant. 2) Make sure you cut the seal smoothly.
(b)
If fillet adhesion is good, it is not necessary to cut sealant down to the bare metal. 1) Make sure you remove all of the loose sealant.
(c) 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：737-300 400 500 AMM 飞机维护手册 燃油 FUEL 1(97)
