TM 10-4610-243-13 CHAPTER 4 UNIT MAINTENANCE INSTRUCTIONS Section  I Repair Parts and Special Tools List  ................................................................................. 4-2 4-1 Common Tools and Equipment ............................................................................................ 4-2 4-2 Special Tools, TMDE and Support Equipment...................................................................... 4-2 4-3 Repair Parts......................................................................................................................... 4-2 Section  II Service Upon Receipt ........................................................................................................ 4-2 4-4 Siting ................................................................................................................................... 4-2 4-5 Shelter Requirements .......................................................................................................... 4-3 4-6 Checking Unpacked Equipment ........................................................................................... 4-3 Section  III Unit Troubleshooting Procedures  .................................................................................... 4-6 4-7 Introduction .......................................................................................................................... 4-6 4-8 Troubleshooting ................................................................................................................... 4-6 4-9 Malfunction Index................................................................................................................. 4-7 Section  IV Unit Maintenance Procedures ........................................................................................... 4-27 4-10 General................................................................................................................................ 4-27 4-11 Personal Safety ................................................................................................................... 4-27 4-12 Proper Equipment ................................................................................................................ 4-27 4-13 Bag Filler Connection Kit Maintenance................................................................................. 4-27 4-14 Discharge and Suction Hose Repair ..................................................................................... 4-28 4-15 Gate Valve Assembly (2-inch) Repair .................................................................................. 4-33 4-16 Tee Assembly (9117-Y1) Repair .......................................................................................... 4-36 4-17 Distribution Nozzle (I-Inch) Repair........................................................................................ 4-40 4-18 Water Pressure Regulator Repair......................................................................................... 4-44 4-19 Nozzle Stand Assembly Repair ............................................................................................ 4-51 4-20 Hose Nozzle Kit Maintenance .............................................................................................. 4-53 4-21 Distribution Nozzle (1-1/2 Inch) Repair ................................................................................. 4-53 4-22 2-Inch Hose Connection Kit Maintenance............................................................................. 4-58 4-23 4-Inch Hose Connection Kit Maintenance............................................................................. 4-58 4-24 Butterfly Valve Assembly Repair .......................................................................................... 4-58 4-25 Quick Acting Valve Assembly Repair ................................................................................... 4-63 4-25.1 Tee and Gate Valve Assembly (9133-Y1) Repair (Model 800KWSDS.................................. 4-68 4-26 350 Gpm Pump Connection Kit............................................................................................ 4-68.4 4-27 Tee Assembly (9112-Y1) Repair .......................................................................................... 4-68.4 4-28 Tee Assembly (9112-Y2) Repair .......................................................................................... 4-72 4-29 Tee Assembly (9112-Y3) Repair .......................................................................................... 4-76 4-30 Tee Assembly (9112-Y4) Repair .......................................................................................... 4-80 4-31 Gate Valve (4-inch) Assembly Repair .................................................................................. 4-84 4-32 Water Meter Assembly Repair ............................................................................................. 4-89 4-32.1 Water Meter Assembly Repair (Model 800KWSDS)............................................................. 4-92 4-33 125 Gpm Pump Connection Kit Maintenance ....................................................................... 4-92.3 4-34 Check Valve (2-inch) Repair ................................................................................................ 4-93 4-35 Dual Tank Connection Kit Maintenance................................................................................ 4-96 4-36 Tee and Gate Valve Assembly (9114-Y1) Repair ................................................................. 4-96 4-37 Tee and Gate Valve Assembly (9114-Y2) Repair ................................................................. 4-100 4-38 Tee and Gate Valve Assembly (9114-Y5) Repair ................................................................. 4-104 4-39 Tee and Gate Valve Assembly (9114-Y6) Repair ................................................................. 4-108 4-40 Interconnection Kit Maintenance .......................................................................................... 4-112 4-41 Tee Assembly (9115-Y) Repair ............................................................................................ 4-112 4-42 Tee Assembly (9115-Y1 ) Repair ......................................................................................... 4-116 4-43 Water Tank Chest Repair..................................................................................................... 4-120 Section  V Preparation for Storage or Shipment................................................................................ 4-130 4-44 Security Procedures............................................................................................................. 4-130 4-45 Administrative Storage......................................................................................................... 4-130 Change 1 4-1