TM5-4930-230-13The manhole cover fill plug has a gasket to seal the opening. Replace gasket as follows:a. Release hinge assembly and open fill plug. (Figure 4-16.)b. Inspect for cracks, brakes, abrasion, and defects.c.Replace damaged or defective gasket by removing nut and gasket retainer plate, pressure ventvalve, and fuse plug.d. Reassemble as follows:Align holes in retainer plate, gasket and cover as shown.Install vent & fuse plug.Place cover on closing cam, position pressure vent under cam at hinge end. (Figure 4-16.)a. General. A pump port (55 gallon drum plug) cover assembly is provided so that a hand pump maybe used. (Figure 4-18.)b. Service. Remove pump port cover and examine gasket. Replace if defective.a. General. The drain plug is used for removing remaining liquid accumulation after the tank isdrained through the dispensing valve. (Figure 4-18.)b. Removal. Remove drain plug and gasket.c. Cleaning and Inspection.(1) Clean parts with drycleaning solvent (Item 1, App. E) and dry thoroughly.(2) Inspect for breaks, cracks, and damaged threads. Replace a damaged drain plug. Replace thegasket.4-39
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