TM 1-1520-240-BD7.20. OPTION. Substitute with High Pressure Hose(damage to section of tubing with bends).a.Materials/ToolsRequired:Hydraulic Hose Assembly Complete with EndFittings2 MS Unions2 Splice Adapter Assembly2 Repair FittingsTubing CutterKnife or FileHeat Gunb.proceduralSteps:(1)Cut and remove damaged section oftubing, Figure 7-9. Tube ends must be square.(2)Clean ends of undamaged tubing withknife or file.(3)Install splice adapter assembly usingrepair fittings as shown in Figure 7-10. Procedure forconnecting the splice adapter to the undamaged end issimilar to OPTION 1 (paragraph 7-19), except the tubeside of the splice adapter is the splice tube.(4)Connect MS unions to both spliceadapters, and complete the repair by connecting ahydraulic hose assembly from one union to the other(Figure 7-11). If the damaged length of tubing is longand more than one hose assembly is required, hoseassemblies may be spliced together with unions. Noharm will be done if the replace hose is too long.(5)Clamp at convenient intervals, notexceeding 2 feet, to hard supports to secure the line.(6)Record BDAR action taken.Figure 7-9. Damaged Tube Section - Complex Bends7-10
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