Hog Slat Inc. Newton Grove, NC USA August 2019 21 Air Storm Fans Maintenance In order to begin any maintenance or service to the fan, power must be turned OFF and all moving parts must come to a complete STOP before accessing. All parts inside of the fan housing are accessed by removing the exit wire guard and inlet shutter. Once service is complete, clean excessive build-up from parts. Excessive dust and dirt on parts can cause vibration in the propeller and overheating of the motor. Before beginning operation again, ensure that all safeguards are back in place and all foreign objects are free from the area. DURING MAINTENANCE AND OPERATION THE FOLLING MUST BE MAINTAINED TO ENSURE PROPER PERFORMANCE AND TO EXTEND USABLE COMPONENT LIFE. Troubleshooting Trouble Possible Cause(s) Corrective Action Excessive noise Worn motor bearing. Replace Damage to fan blade Replace prop Loose fasteners on motor or housing Tighten fasteners Excessive vibration Fan blade is out of balance due to dirt build-up. Clean entire unit Fan blade is out of balance due to damage Replace prop Insufficient airflow Intake or exhaust guards clogged with debris Clean entire unit Intake or exhaust blocked by foreign object Remove object from airflow path Fan won’t operate Open power supply circuit. Check wiring and reset circuit breaker Defective motor Reset motor, repair, or replace Motor overheats and nuisance trips Improper airflow due to clogged Inlet/Outlet Clean entire unit Motor or Fan prop has excessive debris build-up Clean entire unit
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