TM 10-4610-243-13 Table 2-1. Operator Preventive Maintenance Checks and Services for Model WSDS-810 - cont. Item No Interval Location Item to Check/Service Procedure Not Fully Mission Capable If: 63 64 65 66 67 68 69 70 71 72 73 74 During During During During During During During During During During During During Hypochlorination Unit Suction and Discharge Hoses Gate Valves 4-inch) 350 GPM Pump 125 GPM PUMP CONNECTION KIT (DISPENSING POINT) Suction and Discharge Hoses Gate Valves (2-inch) Check Valve 125 GPM Pump DUAL TANK CONNECTION KITS Suction and Discharge Hoses Tee Assemblies Gate Valves (4-inch) 50K Collapsible Fabric Tanks Perform "DURING" PMCS contained in the applicable TM. a. Inspect   hoses   for   leaks   and loose or unlocked couplings. b. Check hoses for kinks. Unkink hoses. Inspect for leaking valve stems. Perform "DURING" PMCS contained in the applicable TM. a. Inspect   hoses   for   leaks   and loose or unlocked couplings. b. Check hoses for kinks. Unkink hoses. Inspect for leaking valve stems. Inspect valve body for leaks. Perform 'BEFORE" PMCS contained in the applicable TM. a. Inspect   hoses   for   leaks   and loose unlocked couplings. b. Check hoses for kinks. Unkink hoses. Inspect tees for leaking gaskets. Inspect for leaking valve stems. Perform "DURING" PMCS contained in the applicable TM. Class III leak. Class III leak . Class III leak. Class III leak . Class III leak. Class III leak Class III leak Class III leak 2-22