Emergency Dump Valve Assembly

TM-10-4930-220-13P Tank Unit 600 Gallon Liquid Dispensing for Trailer Mounting (Advance Model TRL 1000 and TRL 1616) Manual
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TM 10-4930-220-13&P b. Inspection, Cleaning, and Replace. (1) Remove manhole cover (para 4-11) (2) Drain tank completely. NOTE Testing to determine If tanks are safe for entry will be performed only by tech- nically qualified safety or health personnel. (3) Perform pre-entry testing for air contaminants and oxygen deficiency by technically qualified per- sonnel. (4) Enter tank through manhole opening and loosen setscrew (2). (5) Unscrew collar (3) from support (9). (6) Remove rod and handle (6). (7) Transfer parts to a well ventilated area outside the tank. Clean all parts with an approved cleaning solvent and dry thoroughly. (8) Inspect all parts for breaks, cracks, and damaged threads. (9) Replace damaged parts or valve assembly. (10) Place rod and handle (6) into position through collar (3) and support (9). (11) Tighten setscrew (2). (12) Install manhole cover (para 4-11). 4-14. Emergency Dump Valve Assembly. This task covers: a. Inspection b. Cleaning c. Replace INITIAL SET UP Tools Tool Kit, General Mechanic’s (Appendix B, Section Ill, item 2) Materials Cleaning Solvent (Appendix E, Section II, item 1) Rags, Wiping (Appendix E, Section II, item 3) a. General. The emergency dump valve is used for dispensing liquid from the Tank Unit. Figure 4-5. Emergency Dump Valve Assembly. Change 1 4-13

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