TM 5-4610-223-12 Table 3-1.Operator/Crew Preventive Maintenance Checks and Services - Cont NOTE:  Within designated interval, these checks are to be performed in the order listed. B - Before A - After M - Monthly D - During W - Weekly C - Combat Operability Check Interval Item to be Procedures Equipment will Item Inspected Check for and have repaired be reported Not No. B D A W M C or adjusted as necessary. Ready (Red) if: 30 Chemical Inspect the exterior of the housing, Slurry cover plate, and charging door Feeder for cracks, breaks, and other damage. 31 Chemical Inspect for cracks, breaks, Class III Solution leakage or other damage leakage is found. Leakage Feeder 32 Effluent Inspect the tube for cracks and Launder deterioration and the clamps for Tube cracks and damaged threads. 33 Lower Inspect the filter housing and cover Filter for dents and cracks.  Inspect Housing and gaskets for deterioration.  Inspect Cover window glass for discoloration and cracks. 34 Bridge Inspect the bridge rails and effluent Rails launder for cracks, dents, bends and broken welds. 35 Water Level Inspect valve for cracks and Alarm Float damaged threads. Check valve rod Valve for freedom of movement. 36 Chemical Inspect the guard for broken Feed mounting brackets, dents, cracks Equipment and rust. Chain Guard Change 5  3-11