TM 10-4320-303-13 Table 2-7.  Operator Preventive Maintenance Checks and Services for TWDS.  (Continued) Location Not Fully Item Item to Mission Capable No. Interval Check/Service Procedure if: DISTRIBUTION POINT HYPOCHLORINATION UNIT MODEL 1955-1 - CONT 42 During Solution Inspect for damage and leaks. Reservoir is Reservoir Check solution level.  Add damaged.  Not solution as required (para enough solution 2.5.5.3).  If damaged or in reservoir. Class III leak is present, Class III leak. notify supervisor. 43 During Valves Inspect valves for damage, Valve(s) is leaks, and improper damaged or operation.  If valve is operating damaged, operating improperly. improperly, notify unit Class III leak. maintenance.  If Class III leak is present, notify supervisor. 10-MILE HOSELINE SEGMENT FLAKING BOX 44 After Flaking Box Inspect all frame seam welds Seam weld is for damage.  Inspect lifting damaged. devises and clevis attach Lifting clevis brackets for cracks, bends, or clevis attach or broken seam welds. bracket is Inspect tailgate assembly, damaged. side walls, and base for Tailgate damage. assembly is damaged. 2-29