DANGER: Disconnect and lock-out power from the unit anytime service is being performed on the fan section. Failure to do so could result in serious injury or death due to the fan turning on while work is in progress.
CAUTION : Squealing belts during starting is caused by slipping belts that are not tensioned properly
Motor Bearing Lubrication
CAUTION: Never use excessive belt tension, as this could result in damaging the bearing, motor pulleys or motor base. See drive label on fan housing adjacent to drive for specific details on tension.