TM 10-3610-203-14 Table 3-1.  Operator/Crew Preventive Maintenance Checks and Services NOTE: Within designated interval, these checks are to be performed in the order listed. B - Before A - After M - Monthly D - During M - Monthly C - Combat Operability Check Item Interval Procedures For Readiness Reporting Equip- No. B D A W M C Item to be Check for and have repaired ment is not Inspected or adjusted as necessary Ready/Available if: Air Conditioner 1 Humidifier Check water level of humid- ifier.  Adjust float. Shelter Components 2 Duplicating Check connection of unit Machine power cord, good character impression, and correct operation of unit.  If nec- essary, service unit in accordance with commercial manual instructions. 3 Receding Check installation of unit and Stacker correct speed adjustment of paper truck.  Check for correct operation of in- frared lamp.  If necessary, adjust and service unit in accordance with commercial instructions. 4 Tool Board Check operation of plunger- type dispenser can and filled to correct level with proper solution. 3-2