TM 9-2330-267-14&P4-55. MANHOLE COVER MAINTENANCE (STAINLESS STEEL TANK).This Task Covers:a.Removalc.Assemblyb. Disassemblyd. InstallationInitial Setup:Materials/Parts:Tools/Test Equipment:l One cotter pinl General mechanic’sc Five self-locking nutsl Eight Iockwasherstool kita.REMOVAL1.Lift and remove two latches (13) from holes in bracket (4).2.Remove four screws (22), Iockwashers (21), spacers (18), and hinge assembly (19) from tank assembly (17).Discard Iockwashers.3.Remove four screws (10), Iockwashers (11), spacers (15), and hinge plate (12) from tank assembly (17).Discard Iockwashers.b .DISASSEMBLY1.Remove four screws (14), self-locking nuts (16), and two latches (13) from hinge plate (12). Discard self-lockingnuts.2.Remove cotter pin (6), straight pin (5), and bracket (4) from manhole cover (9). Discard cotter pin3.Remove self-locking nut (1), washer (2), spring (3), spacer (20), hook bolt (7), and hinge assembly (19) frombracket (4). Discard self-locking nut.4.Remove vacuum valve (8) from manhole cover (9).5.Remove eighteen screws (25), flatwashers (24),and gasket (23) from manhole cover (9). Replacegasket if damaged.c.ASSEMBLY1.Position gasket (23) on manhole cover (9) andinstall eighteen flatwashers (24) and screws (25).TA5070644-104
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