TM 5-3825-229-14&P4-63. SPRAY NOZZLES (cont)e. Installation.(1)Screw nozzle (3) fully in elbow (4), thenback off at least one turn so that nozzle(3) spray slit is parallel to ground.(2) Unscrew ring (2) until it contacts elbow(4) and secure with set screws (1).(3)Refer to para. 2-6 and couple semitrailerto prime mover. Operate prime moverto pressurize air system.(4) Refer to para. 2-20 and fill water tank.4-64. DISCHARGE VALVETHISTASKCOVERS:a. Removalb. InstallationEquipment Materials Required:INITIALSETUP:Pipe Sealant (Item 11, Appendix E)Tools Required:Equipment Conditions:Nomenclature:RefConditionsGeneral Mechanics1-10. b. (2)Air reservoirs drainedTool Kit2-14Engine shut off2-21Water tank draineda.Removal.(1)Close fill valve (1).(2)Remove cap (4) from discharge valve (2).(3)Use a 2-1/4 inch open-end wrench to unscrew discharge valve (2) from header (3). Remove dischargevalve (2).b. Installation.(1) Coat inside threads of discharge valve with pipe sealant (Item 11, Appendix E).(2) Install discharge valve (2) on header (3).4-146
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