TM 10-4930-236-13&P4-24. MANHOLE MAINTENANCEThis task consists of:a.Removalb.Disassemblyc.Repaird.Assemblye.InstallationINITIAL SETUPToolsRequiredGeneral Mechanic Tool Kit (Appendix B, Section III, Item 3)Spanner Wrench (Appendix B, Section III, Item 8)Materials/PartsRequiredDry Cleaning Solvent (Appendix E, Section II, Item 1)Silicone Compound (Appendix E, Section II, Item 5)Rags, Wiping (Appendix E, Section II, Item 13)Gasket (4) (Appendix F)Washer Nuts (4) (Appendix F)Locknuts (4) (Appendix F)Cotter Pins (6) (Appendix F)EquipmentConditionPumping Unit ShutdownTank 1/2 Full or LessGeneralSafetyInstructions____________WARNING____________Do not smoke within 50 feet (15.34 meters) of the Tank and Pump Unit.Silicone Compound is toxic to skin, eyes and respiratory tract.Dry cleaning solvent is potentially dangerous to personnel and property.___________________________________________________________________________________________REMOVALa.Open the manhole cover (1) and notethe offset position of the fill tube (2).b.Unscrew the wing nuts (3) far enoughfor the hook clamps (4) to clear the manhole ring(5) welded to the tank.c.Rotate the hook clamps (4) to positionthe hooks toward the center of the manhole.d.Remove the manhole (6), with the filltube (2) attached, from the fuel tank.e.Remove the gasket (7) from the groovein the manhole (6). Discard gasket.4-55
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