4-20.2Change 2TM 9-2350-267-34FUEL TANK REPAIR (CONTINUED)NOTETo repair holes bigger than 1/2 inch across, do steps A-R.To repair cracks or punctures less than 1/2 inch across (orin length), do steps R-V.A For holes larger than 1/2 inch across at any point, cut away damagedarea. Make smooth-edged circular opening. (Sharp angular cuts makerepair more difficult.)Scarf crater to at least 1-1/2 inch. Shape sides down to opening.C Blow away dust and clean repair area with dry-cleaning solvent (item17, Appx B).NOTEPresence of oil in repair area will result in poor adhesion.A 1/8-inch application of regenerated silica (item 5 -Repair Kit) compacted under a warm pad will withdraw oilfor improved adhesion.D Measure repair area and estimate material requirement.TA57369
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