TM 10-4930-204-13Legend for figure 5-16:1.Setscrews2.Vent body cap10.11.3.Filler plug12.4.Vent assembly13.5.Cover gasket14.6.Latch15.7.Latch lock16.8.Spring17.9.CapscrewCapscrew nutManhole coverManhole cover gasketBoltCotter pinLugWasherWingnut(2) Install tube (2) and dipstick (1).(3) Install manhole cover (para 5-26).5-28.DRAIN VALVE ASSEMBLY.a.RemovalandDisassembly.(1) Remove manhole cover (para 5-26).(2) Remove setscrew (1, fig. 5-18) and pin (2) and pull outrod and handle (3).(3) Remove control rod packing nut (4) and support (5).(4) Remove collar (6) and key (7).(5) Unscrew drain valve handle (8) and elbow (9) from valvepacking (8).(6) Remove valve (10) and nipple (11).b.Cleaning andInspection.Drycleaning solvent normally has a flash pointof either 100 or 138 degrees F, depending on thetype being used, but may flash at much lower tem-peratures if contaminated with gasoline or jetfuel.Avoid repeated and prolonged skin contact.Do not use near open flame or excessive heat.(1) Clean parts with drycleaning solvent (item 1, App. F).Immerse each part in solvent and remove contaminants by brushing.Allow parts to dry thoroughly.(2) Straighten bent rod and handle. If rod and handle isnot repairable, replace it with a serviceable one.5-39
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