TM 9-2330-390-14&P4-61. AIRBRAKE CHAMBER REPLACEMENT.This Task Covers:a.RemovalC.Installationb.Cleaning and lnspectionInitial/ Setup:Equipment Conditions:Materials/Parts:• Wheels chocked.• Silicone compound (Item 12, Appendix F)• Air reservoir drained (see paragraph 3-6).• Rags (Item 25, Appendix F)• Brakes caged (rear dolly)(see paragraph 4-56).• Dry cleaning solvent (Item 27, Appendix F)• Marker tags (Item 28, Appendix F)• Antiseize tape (Item 29, Appendix F)Tools/Test Equipment:• General mechanic’s tool kit (Item 30, Appendix G)General Safety Instructions:• Dry cleaning solvent is flammable and must not be used near an open flame. Use only in a well-ventilated area.DO NOT attempt to repair airbrake chambers. Rear dolly airbrake chamber is underspring tension. Serious injury or death to personnel may result if disassembly isattempted.NOTE• Front dolly airbrake chamber and rear dolly airbrake chamber are replaced the sameway except the front dolly airbrake chamber has one hose assembly and a plug; therear dolly airbrake chamber has two hose assemblies.• All air lines should be tagged before removal. Refer to paragraph 4-18 for taggingInstructions.a.REMOVAL1.Disconnect one or two hose assemblies (4) from airbrake chamber (5 or 7).2.Loosen spanner nut (2) on housing assembly tube (3).3.Remove airbrake chamber (5 or 7) from plunger housing (1).4.If removing a front dolly airbrake chamber (5), remove plug (6).4-136
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