4-5. FUEL TANK REPAIR (continued).
When cure incomplete, sand glass cloth patch(4) flush with surrounding surface of fuel tank (2). Clean surface
of fuel tank (2) with drycleaning solvent and paint with fire-retardant paint.
Wear protective goggles or face shield when using compressed air. Particles blown
by compressed air are hazardous and can cause injury.
Compressed air used for cleaning or drying purposes, or for clearing restrictions,
should never exceed 30 psi (207 kpa). To avoid injury to personnel, wear protective
clothing (e.g., goggles/shield, gloves) and exercise caution.
Thoroughly flush fuel tank (2) with water and dry with low-pressure compressed air.
Taper hole (1) on fuel tank (2) so tapered lip is no less than 1/4 inch wide and no more than 1/2 inch wide.
Drycleanlng solvent P-D-680 is toxic and flammable. Always wear protective goggles
and gloves, and use in a well-ventilated area. Avoid contact with skin, eyes and
clothes, and DO NOT breathe vapors. DO NOT use near open flames or excessive heat.
If you become dizzy while using drycleaning solvent, immediately get fresh air and
medical help. If solvent contacts your eyes, wash them immediately and get medical
help. Failure to follow this warning can result in injury or death.
Remove dust and oil from repair area and clean with drycleaning solvent and lint-free wiping rag.
During the first hour of curing, temperature should not exceed 100°F (38°C) or glass
cloth may not adhere.