TM 10-4610-243-13 Table 2-1. Operator Preventive Maintenance Checks and Services for Model WSDS-310 - cont. Item No Interval Location Item to Check/Service Procedure Not Fully Mission Capable If: 42 43 44 45 46 47 48 49 50 Before Before Before During During During During During During Gate Valves (2-inch) Check Valve 125 GPM Pump HOSE NOZZLE CONNECTION KIT Distribution Nozzle Discharge Hoses Water Pressure Regulators BAG FILLER CONNECTION KIT Discharge Hoses Gate Valves (2-inch) Tee and Wye Assemblies a. Inspect for loose, broken, or missing hand wheel. Rotate hand wheel. Valve should turn freely b. Inspect valve body for cracks and  external damage. Inspect  valve  body  for  cracks  and. external damage. Perform "BEFORE" PMCS contained  in the applicable TM. Check for leaks when control handle is released a. Inspect   hoses   for   leaks   and loose.  or unlocked couplings. b.     Check hoses for kinks. Unkink hoses Inspect regulator body and couplings.  for leaks. a. Inspect   hoses   for   leaks   and loose or unlocked couplings b. Check hoses for kinks. Unkink hoses. Inspect for leaking valve stems Inspect   tee   and   wyes   for   leaking leaking gaskets. Valve cracked, broken or stuck. Valve cracked or broken Leaks (class Ill) Class 111 leak. Class 111 leak Class III leak Class III leak. Class Ill leak. 2-20