TM 55-1930-209-14&P-16 Table C-1.  Preventive Maintenance Checks and Services for Ventilation, Heating and Air Conditioning System (Continued) B - Before D - Daily Q - Quarterly D - During W - Weekly S - Semiannually A - After M - Monthly A - Annually PROCEDURES INTERVAL CHECK FOR AND HAVE EQUIPMENT ITEM ITEM TO BE REPAIRED OR ADJUSTED IS NOT READY/ NO. B D A D W M Q S A INSPECTED AS NECESSARY AVAILABLE IF HEATING AND AIR CONDITIONING (HAC) SYSTEM WARNING Make sure electrical components and cir- cuits are turned OFF before starting any Inspection and/or cleaning.  Observe safety precautions specified in this man- ual. a.   Make sure that air outlets and ventilators Air outlets and are free of obstruction and not damaged ventilators are damaged or obstructed b.   Inspect HAC system operating controls Controls not for damage.  Notify shift leader of defi- operable cencies c Check HAC cooling and heating systems for proper operation.  Notify shift leader of deficiencies d.   On barge 1 only, check each activated Fuses blown forced air heater for proper operation Check fuses and replace as necessary e On barge 1 only, check that air flow from activated forced air heater is unob- structed Clear area around heater of any material which could be a fire or safety hazard f Check drain for condensation or leaks. Class Ill leaks Notify shift leader of class III leaks C-7/(C-8 blank)