TM 55-1930-209-14&P-19 Table 10-3.Preventive Maintenance Checks and Services for Lighting Systems (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 4) Loosen cover set screw.  Turn cover by hand counterclockwise and lift off. Clean with fresh water and wipe dry. 5) Replace burned-out bulb. 6) Reinstall cover, turn counterclock- wise, and tighten set screw. 7) Raise mast and plug light cord into receptacle. 8) Check to see new light works. 9) Remove redtag. h.  Check anchor light for burned-out bulbs. Anchor light inop- Replace as follows: erable. 1) Open (OFF) circuit breaker 7P14 on 24 Vdc power panel to turn off anchor lights. 2) Redtag appropriate circuit breaker with: WARNING - DO NOT ACTI- VATE.  REPAIRS BEING MADE." 3) Remove anchor light cover.  Clean with fresh water and wipe dry. 4) Replace burned-out bulb. 5) Reinstall light cover. 6) Check to see new light works. 7) Remove redtag. i.  Check navigation lights for burned-out Navigation lights bulbs. Replace as follows: inoperable. 1) Open (OFF) circuit breaker 2P14 on 24 Vdc power panel to turn off naviga- tion lights. 2) Redtag appropriate circuit breaker with: WARNING - DO NOT ACTI- VATE.  REPAIRS BEING MADE." 10-8