TM 10-4320-318-144-15. Introduction.This section contains instructions covering maintenance functions for the Unit Levelmaintenance personnel on the pump unit.4-16. MAINTENANCE OF MUFFLER.This task covers: a. Removeb. InstallINITIAL SETUPToolsEquipment ConditionsGeneral Mechanics Tool KitPump Unit is shut down (para. 2-8).(Item 1, Appendix B)Noise enclosure access doors are opened.a.REMOVE (Figure 4-2).Figure 4-2. Muffler(1) Remove insulation cover (1) from muffler (9).(2) Unscrew rain cap (2) from pipe nipple (3).(3) Unscrew pipe nipple (3) from muffler (9).4-8
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