TM 10-4320-344-242.20.2 CoolingSystemHosesMaintenance,Model609-A.This task covers:2 .20 . 2 . 1 D i s a s s e m b ly2.20.2.3 Assembly2.20.2.2 RepairINITIALSETUPToolsGeneral Mechanic’s AutomotiveTool Kit, Appendix B, Section III,Item 1Materials/PartsAntifreeze, Appendix C, Item 3Pan, Appendix C, Item 19Rags, Appendix C, Item 20Equipment ConditionsPumping stations shut down, TM 10-4320-344-10.General Safety InstructionsDo not work on equipment that is notsecurely stabilized to prevent rolling ors l i d i n g .Do not work on equipment without followingstandard shop safety precautions.This procedure applies to the lower radiator hose assembly. The procedures forthe upper radiator hose, water pump bypass hose, and oil cooler outlet hose ares i m i l a r.2.20.2.2 Disassembly.a.NOTEDo not work on equipment that is not securely stabilized to prevent rollingor sliding. Ensure both wheels of equipment have chocks that are secure.Drain antifreeze and allow radiator to cool. Hot radiator or antifreeze cancause serious burns.Failure to obey these warnings may result in serious personal injury.Place pan underneath metal elbow (Figure 2-106, 1) and remove drain plug (2)to drain antifreeze from cooling system hoses. Install drain plug (2) inmetal elbow (1).To remove upper radiator hose, water pump bypass hose, oil cooler outlethose, oil cooler inlet hose, radiator outlet hose, or metal elbow performstep b.b .Loosen two hose clamps (3) and remove hose (4).2.20.2.2 Repair.a .Inspect hose (4) for cracks, slices, tears, holes, or damage.b.Inspect hose clamps (3) for damage.c .Replace all defective components.2-249NOTE
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