TM 10-6640-233-10 Table 2-12. Operator Preventive Maintenance Checks and Services (cont.) B - Before A - After M - Monthly D - During W - Weekly B D A W M 37 Fluid Analysis Check operation. Inoperative Fluid Spectrometer. Refer to applicable TM. Analysis Spectrome- ter 38 Hot Plate Check operation. Refer to Inoperative hot plate. applicable TM. 39 AOAP Standard Check operation. Refer to AOAP standard data Data System applicable TM's. systems inoperative. 40 Support Items a.   Inspect fire extinguishers. Broken seal or low charge indication. b.   Inventory first aid kit. Low supplies. c.   Inspect Barometer Broken glass, inoper- able. d.   Inspect Hygrometer Broken glass, inoper- able. e.   Inspect Thermometer Broken glass, inoper- able. f. Inspect AOAP Standard Broken glass, inoper- Data System temperature ative. gage. TM 10 6640-233-10 INTERVAL ITEM NO. ITEM TO BE INSPECTED Equipment is Not Ready/ Available Procedures Check for and have repaired or adjusted as necessary. 2-25/(2-26 blank)