TM 10-6640-215-13 Table 2-1.  Operator Preventive Maintenance Checks and Services Item Interval Item To Check Procedure Not Fully Mission No. Service Capable If: 70 Weekly Fume Chamber a.  Inspect for condition and se- Damaged door assembly, and Gum Bath curity. loose or missing rivets. Vent Exhaust b.  Inspect access door for de- Latches, keepers, seals, Door Assembly fective or missing latches, keep- or hinges damaged or ers, seals, and hinges. missing. 71 Weekly Purge Exhaust a.  Inspect access doors for de- Latches, keepers, seals, Doors fective or missing latches, keep- and hinges damaged or ers, seals, and hinges. missing. b.  Inspect gasket for condition Defective gasket. and security. c.  Inspect motor for operation. Motor does not operate. 72 Weekly Purge Intake a.  Inspect access doors for de- Latches, keepers, seals, Doors fective or missing latches, keep- and hinges damaged or ers, seals, and hinges. missing. b.  Inspect motor for operation. Motor does not operate. 73 Weekly Mechanical a.  Inspect filters for obstructions Clogged, dirty, or defec- Room, ECU In- and security. tive filter. takes b.  Inspect motor for operation. Motor does not operate. 74 Weekly Water Filter Inspect for loose or missing Missing mounting mounting screws. screws. 75 Weekly Cabinets a.  Inspect for broken latches Hinge or latch broken. and hinges. b.  Inspect contents for damaged Items damaged or mis- or missing items. sing. 76 Weekly Stainless Steel Check for snap-in fit in cabinet. Sink is not secure. Sink 77 Weekly Steel Locker Inspect for loose or missing Missing mounting bolts. mounting bolts. 78 Weekly Desiccating Cabi- Inspect for loose or missing Missing mounting bolts. nets mounting bolts. 79 Weekly Stool and Stool Inspect securing device. Defective securing de- Bracket vice. 80 Weekly Steel Bookcase Inspect for loose or missing bolts. Missing bolts. 2-39