TM 5-3610-295-13&P-2 4-8. GENERAL.  - Continued Table 4-2.  Unit Preventive Maintenance Checks and Services - Continued M - Monthly Q - Quarterly S - Semiannually Item Interval Item Inspected Procedure No. M Q S 20 21 22 23 24 25 Ceiling Lamp Assembly Lamp and Waterpump Switch Assembly Equipment Receptacle Assemblies Gun Rack Assembly Roller Rack Assembly Telephone Bracket Assembly Inspect ceiling lamp assembly for security of mounting.    Inspect  lamps  for  discoloration or  failure.    Inspect  starters  and  ballasts  for proper    operation.        Inspect    switches    for proper   operation.      Inspect   wiring   for   bare conductors,  frays  or  breaks.    If  necessary, repair or replace as described in paragraph 4-30. Inspect  lamp  and  waterpump  switches  for proper    operation,    loose    connections    and excessive  wear.    Inspect  switch  covers  for Security of mounting.  If necessary, replace as described in paragraph 4-31. Inspect   equipment   receptacle   assemblies for    damages    and    security    of    mounting. Inspect   wiring   for   proper   connection   and signs  of  damage.    If  necessary,  replace  as described in paragraph 4-32. Inspect gun rack assembly for completeness,    damage    and    security    of mounting.  If necessary, replace or repair as described in paragraph 4-33. Inspect  roller  rack  assembly  for  security  of mounting. Inspect thumbscrews for condition  and  ease  of  movement.    Inspect roller    rack    for    damages.        If    necessary, replace as described in paragraph 4-35. Inspect telephone bracket for completeness and   security   of   mounting.      If   inspection indicates    that    replacement    is    necessary, refer to paragraph 4-34. 4-12