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: 16 17 18 19 Before Before Before Before 4-INCH HOSE CONNECTION KITS Nozzle Stand Butterfly Valves Discharge Hoses Quick Acting Valves or Gate Valves (4-inch) Tee Assemblies Inspect  for  broken  chains,  missing hardware, and bent or cracked legs a. Inspect   for   loose,   broken,   or missing handwheel. Rotate hand wheel.  Valve should turn freely.. b. Inspect  valve  body  for  cracks and  external damage. a. Inspect    for    cuts,    tears    and deep abrasion. b. Inspect for cracked and bent or broken couplings. c. Check for and straighten kinked hoses a. Inspect   for   loose,   broken,   or missing  control  handle.  Rotate handle. Valve should turn freely b. Inspect  valve  body  for  cracks and  external damage Inspect  tee  bodies  for  cracks  and corrosion Hoses cut or torn. Coupling cracked or broken. Valve cracked broken or stuck. Tee bodies cracked or damaged. 2-14Change 1