TM 10-4320-344-242.21.25 0i1 Bypass Line Rpair, Model US636HCCD-1.This task covers:2.21.25.1 Removal2.21.25.3 Installation2 .21 .2 5 . 2 R e p a irINITIALSETUPToolsEquipment Conditions (Continued)General Mechanic’s AutomotiveOil drained, LO 10-4320-344-12.Tool Kit, Appendix B, SectionIII, Item 1General Safetv InstructionsMaterial/PartsDo not work on equipment that is notsecurely stabilized to prevent rollingRags, Appendix C, Item 20o r s l i d i n g.Lock Washers (TM 10-4320-344-24P)Equipment ConditionsDo not work on equipment without follow-ing standard shop safety practices.Pumping station shut down, TM 10-4320-344-10.2.21.25.1 Removal.To prevent burns or other injuries allow oil bypass line, oil cooler, andengine to cool before removing oil bypass line.Failure to obey this warningmay result in serious personal injury.a.Unfasten,open and remove upper air cowling.b .Remove nut (Figure 2-140,1), lock washer (2), bolt (3), pipe clamp halves (4and 5), bolt (6), lock washer (7), and spacer (8). Discard lock washers (2and 7).c .Loosen two retaining nuts (9) and remove oil bypass line (10).2.21.25.2 Repair.a .Inspect all mounting hardware for damage.b .Replace all defective components.2.21.25.3 Installation.a .Install oil bypass line (10) in engine (11) and secure with two retaining nuts( 9 ).b .Install spacer (8) and two pipe clamp halves (4 and 5)and secure-with newlock washer (7), bolts (3 and 6), and new lock washer (2) and nut (1).c .Install upper air cowling.2-318
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