TM 55-1930-209-14&P-19 Table 3.3.  Preventive Maintenance Checks and Services for ROWPU System (Continued) B - Before D - Daily Q -  Quarterly D - During W - Weekly S -  Semiannually A - After M - Monthly A -  Annually INTERVAL ITEM PROCEDURES EQUIPMENT ITEM TO BE CHECK FOR AND HAVE IS NOT READY/ NO. INSPECTED REPAIRED OR ADJUSTED AVAILABLE IF B   D   A   D  W  M   Q   S   A AS NECESSARY * * * c.  Check for physical damage and broken Damaged or bro- welds.  Notify shift leader or bargemaster ken welds. of damage that will affect normal opera- tion. * * * d.  Check control station indicator lights for cracked or broken lenses and burned out bulbs.  Replace lenses as follows 1)  Open (OFF) switchboard circuit breaker P6 or P7 as appropriate.  Red- tag circuit breaker with the following: "WARNING - DO NOT ACTIVATE. REPAIRS BEING MADE." 2)  Unscrew lense to expose light bulb. 3)  Unscrew burned out bulb and install replacement bulb. 4)  Reinstall lens. 5)  Close (ON) switchboard circuit breaker P6 or P7 and remove red warning tag. * * e.  Check valves RO1 through RO7 for ease Valve inoperable. of operation.  If any valve is inoperable, notify shift leader or bargemaster for repairs. * * f.  Check gauges for cracked or broken Gauges cracked lenses.  If damaged, notify shift leader or or broken. bargemaster for repairs. * * * g.  Check for loose or missing securements Securements and fasteners.  Tighten or replace as nec- and/or fasteners essary. missing or loose. * * h.  Check flowmeter Fl and temperature gauge for cracks, leaks and operation. 2 * * Chemical a.  Check chemical metering hoses for Meters inopera- Metering Pumps proper connection to pumps and drums. ble. and Tubing Check tubing and connections for leaks and cracks. 3-6