Loren Cook Company AC Exhauster ACRU-XP

Warning: Stop the fan before inspection

Fan operating satisfactorily for 24 hours?

If fan is not operating satisfactorily, report the issues to the maintenance team and stop the procedure

Adjustments made during inspection

Warning: This procedure requires trained personnel with PPE!

Loosen setscrew on driver (motor) pulley and remove key, if equipped.

Inspect for proper belt tension.

Ensure that the RPM limits of the fan and the horsepower limits of the motor are maintained.

Sign off on the fan shaft speed changing

Inspection of the fan should be conducted at the first 8 hour interval of satisfactory operation.

During the inspections, stop the fan and inspect as instructed.

Inspect belt alignment and tension. Adjust and tighten as necessary.;

Warning: This procedure requires trained personnel with PPE!

The correct wheel-to-inlet clearance is critical to proper fan performance.

Verify the clearance before initial start-up.

Adjust the overlap by loosening the wheel hub and moving the wheel along the shaft to obtain the correct value.

Check if the overlap has been adjusted correctly.

A uniform radial gap is obtained by loosening the bearing bolts and set screws which will allow for correct repositioning.

Check if the radial gap is uniform.

Sign off on the Fan Wheel-to-Inlet Clearance Adjustment

Warning: Stop the fan before starting the inspection