TM 10-4320-303-134.13.6 HypochlorinatorAssemblyMaintenance .This task covers:4.13.6.1 Removal4.13.6.4 Repair4.13.6.2 Disassembly4.13.6.5 Assembly4.13.6.3 Inspection4.13.6.6 InstallationINITIALSETUPToolsEquipmentConditionsTool Kit, General Mechanic's,Hypochlorination Unit, Model 1955-1 removed,Automotive, Section III, Item 1,refer to paragraph 4.13.1.Appendix BOutlet Hose Assembly removed, refer toMaterial/Partsparagraph 4.13.2.Lock washers (TM 10-4320-303-23P)GeneralSafetyInstructionsPreformed packing (TM 10-4320-303-23P)Do not work on equipment without followingstandard shop safety precautions.4.13.6.1 Removal.a. Unscrew and remove discharge tube (Figure 4-19, 1) from liquid head (2).b. Remove check valve (3) and washer (4).c. Unscrew other end of discharge tube (1) and remove from hypochlorination unit.d. Unscrew and remove suction tube (5) from liquid head (2).e. Remove check valve (6) and washer (7).f. Remove three nuts (8), lock washers (9), flat washers (10), and bolts (11). Discard lock washers (9).g. Remove hypochlorinator frame (12) from hypochlorination unit.4.13.6.2 Disassembly.a. Turn stroke adjust knob (13) fully counterclockwise and remove stroke adjust knob (13) fromdiaphragm cap (14).b. Remove preformed packing (15) from stroke adjust knob (13). Discard preformed packing (15).WARNINGItems in hypochlorinator assembly are under spring tension. Maintain pressureon and slowly back diaphragm cap out to release spring pressure. Failure toobey this warning may result in personal injury.c. Remove four screws (16), flat washers (17), and square nuts (18).d. Slowly remove diaphragm cap (14).e. Remove nut (19) and washer (20) from pushrod (21).f. Remove impulse diaphragm (22), diaphragm clamping washer (23), spring spacer (24), spring (25),and preformed packing (26) from pushrod (21). Discard preformed packing (26).4-47
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