Item No. 70 71 72 73 74 TM  10-4610-234-13 Table  2-1.  Operator  Preventive  Maintenance  Checks  and  Services.  (cont.) Interval After After After After After Location Item To Check/ Service Gate  Valve Tee  Assemblies Gate  Valves Tee  Assemblies Tee  Assemblies Procedure a.  Inspect  for  loose  or  missing hand  wheel. b.  Inspect  valve  couplings  for cracks  and  bent  or  broken  locking arms.  Inspect  for  cut,  torn  or  mis- sing  coupling  gaskets.  Check  for missing dust caps and plugs. c.  Rotate  hand  wheel.  Valve  stem should  turn  freely. d.  Check  for  loose  or  missing  bolts and nuts. Inspect valve couplings for cracks and  bent  or  broken  locking  arms. Inspect for cut, torn or missing cou- pling  gaskets.  Check  for  missing dust caps and plugs. Hose  Connection  Kit,  2-inch a.  Inspect  for  loose  or  missing hand  wheel. b.  Inspect  valve  couplings  for cracks  and  bent  or  broken  locking arms.  Inspect  for  cut,  torn  or  mis- sing  coupling  gaskets.  Check  for missing dust caps and plugs. c.  Rotate  hand  wheel.  Valve  stem should  turn  freely. d.  Check  for  loose  or  missing  bolts and nuts. Inspect valve couplings for cracks and  bent  or  broken  locking  arms. Inspect for cut, torn or missing cou- pling  gaskets.  Check  for  missing dust caps and plugs. Not Mission Capable  If: Hand  wheel  missing. Coupling  damaged. Gaskets  damaged  or missing. Valve  stem  sticks  or binds. Hardware  missing. Coupling  or  gasket  dam- aged.  Gasket  missing. Hand  wheel  missing. Coupling  damaged. Gaskets  damaged  or missing. Valve  stem  sticks  or binds. Hardware  missing. Coupling  or  gasket  dam- aged.  Gasket  missing. 350 GPM Pump Connection Kit Inspect couplings for cracks and bent or broken locking arms. in- spect  for  cut,  torn  or  missing  cou- pling  gaskets.  Check  for  missing dust caps and plugs. Coupling  or  gasket  dam- aged.  Gasket  missing. 2-15