TM 10-4320-310-145-6. REPAIR FUEL LIFT PUMP (Continued)REPAIR:Dry cleaning solvent P-D-680 (safety or Stoddard's Solvent) is potentiallydangerous. Avoid repeated and prolonged breathing of vapors and skincontact with the liquid. Do not use near open flame, arcing equipment, orother Ignition sources. Always wear eye protection and protective clothing.The flash point of P-D-680 Is 100°F to 138°F (38°C to 59°C).Death or serious injury could occur if compressed air is directed against theskin. Do not use compressed air for cleaning or drying unless the pressureIs/has been reduced to 30 psi (2.06 bar) or less. When working withcompressed air always use chip guards, eye protection, and other personalequipment.1Clean all parts except gasket (4) with dry cleaning solvent and dry with low-pressure compressed air.2Inspect mating surface of cover (3) and pump body (9) parts for roughness or other damage. Scratches or otherdamage may result in pressure leaks.3Check for wear at contact areas. Replace pump body (9) or cover (3) if worn.4Inspect all parts for score marks and burrs. Parts must fit together tightly.5If parts are not repairable, replace.ASSEMBLY:Do not scratch or mar mating surfaces of pump body or cover. The fuel liftpump may leak or otherwise malfunction after reassembly.1Install new diaphragm (8) into pump body (9).2Install upper pump chamber (7) on diaphragm (8).3Install six screws (6) finger tight. Move fuel primer lever (10) on pump body (9) to compress diaphragm spring.Tighten the six screws.4Install fuel screen (5).5Lubricate gasket (4) with lubricating oil and install.6Install screw (1), gasket (2), and cover (3).5-9
Integrated Publishing, Inc. - A (SDVOSB) Service Disabled Veteran Owned Small Business
