TM-9-2350-358-BD M109A6 Battlefield Damage Assessment and Repair Download
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TM 9-2350-358-BD SECTION VI. GASKETS 3-17. GENERAL Gaskets may become damaged due to vibration, heat, or explosive force. Procedures are available to make or repair gaskets. If standard replacements are not available. Lift capacity may be required to gain access to the gasket. Heat and pressure should be considered when selecting gasket materials. 3-18. GASKETS, LEAKING When some metal surfaces are bolted together a compressible gasket is required to reduce or eliminate the leakage of fluids or lubricants. Gaskets are also used to seal systems against fuel leakage or to keep contaminants from entering. Leaks can be tolerated if the fluid leaking does not constitute a fire hazard or does not leak at a rate which will deplete the required lubrication. Option 1 Limitations: • Possible reduced Nuclear, Biological, or Chemical (NBC) protection. • Possible reduced system pressure. • Seam may still leak at a reduced rate. • Frequent inspections are required. Personnel/Time Required: • 1 soldier • Time determined by location and amount of damage. Materials/Tools: • File folder, TM cover, cardboard, or suitable material (scavenge from available source) • Sealer, permatex (item 54, Appendix C) • Gasket, material (item 31, Appendix C) Procedural Steps: 1. Separate two items where gasket is to be installed. 2. Scrape mating surfaces clean. WARNING Adhesives, solvents, and sealing compounds can burn easily, can give off harmful vapors, and are harmful to skin and clothing. To avoid injury or death, keep away from open fire and use in well- ventilated area. If adhesive, solvent, or sealing compound gets on skin or clothing, wash immediately with soap and water. 3. Coat gasket maternal with sealer. 4. Install gasket material on one mating surface. 3-22