TM 9-2330-390-14&P4-73. REAR DOLLY AIR LINES REPLACEMENT.This Task Covers:a.Full Function Valve-to-Airbrake Chamber HoseAssemblies Replacementb.Full Function Valve-to-Relay Valve TubeAssembly Replacementc.Full Function Valve-to-Parking Brake Valve TubeAssembly Replacementd.Air-brake Valve-to-Air Reservoir Tube AssemblyReplacemente.Air-brake Valve-to-Tee Tube Assembly Replace-mentf.Airbrake Valve-to-Parking Brake Valve TubeAssembly Replacementg.Booster Relay Valve-to-Tee Tube AssemblyReplacementh.Booster Relay Valve-to-Right Side (Service)Shutoff Valve Tube Assembly Replacementi.Left Side (Emergency) Shutoff Valve-to-Tee TubeAssembly Replacementj.Relay Valve-to-Parking Brake Valve TubeAssembly Replacementk.Relay Valve-to-Tee Tube Assembly ReplacementInitial Setup:Equipment Conditions:l Wheels chocked.l Air reservoir drained (see paragraph 3-6).Materials/Parts:l Marker tags (Item 28, Appendix F)l Antiseize tape (Item 29, Appendix F)Tools/Test Equipment:l General mechanic’s tool kit (Item 30, Appendix G)NOTEl All air lines should be tagged before removal. Refer to paragraph 4-18 for tagginginstructions.l Before connection, male threads of fittings should be coated with antiseize tape ifnot already factory-coated with an antiseize compound.a.FULL FUNCTION VALVE-TO-AIRBRAKECHAMBER HOSE ASSEMBLIES REPLACE-MENTDO NOT overtighten fittings at full functionvalve or damage to full function valve willoccur.1.Disconnect hose assembly (1) from airbrakechamber (3).2.Disconnect hose assembly (2) from airbrakechamber (3).4-177
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