MMFNGN-SA1 CENTRAL FAN SYSTEMS: SEMI-ANNUAL INSPECTION 1. ( ) LUBRICATE FAN AND MOTOR BEARINGS 2. ( ) CHECK BELT(S), SHEAVES - REPORT CONDITION 3. ( ) CLEAN ALL INTAKE SCREENS AND LOUVERS 4. ( ) CHECK AND CLEAN DRAIN PANS AND DRAINS 5. ( ) REPLACE FILTER(S) 6. ( ) CHECK COILS, CLEAN AS REQ'D. 7. ( ) INSPECT HUMIDIFIERS, CLEAN AS REQ'D. 8. ( ) CHECK MOTOR MOUNTS AND VIBRATION ISOLATORS