Loren Cook Company Ventilation Fan CPV 225

Inspect belt alignment and tension

Adjust and tighten belt as necessary

Check shaft size and operation hours

Is the fan operating under extreme conditions (dirty/wet/rough)?

Is the operating temperature above 120°F?

Clean grease nipple and vicinity thoroughly

Lubricate the bearing while the fan is in operation

Pump grease slowly until a slight bead forms around the bearing seals

Is the bearing visible during lubrication?

Motor Bearings - Standard Service Conditions

Verify lubrication instructions on motor nameplate

Is the motor installed vertically?

Use compatible grease for lubrication

Motor Bearings - Severe Service Conditions

Verify lubrication instructions on motor nameplate

Check shaft size and determine lubrication interval

Is the fan operating under periodic applications?

Enter the operating temperature of the fan

Is the fan operating with a vertical shaft?

Clean the grease nipple and immediate vicinity thoroughly

Lubricate the bearing while the fan is in operation

Is the bearing visible during lubrication?

Ensure excessive pressure is avoided to prevent seal damage

Loosen motor plate adjustment bolts and move motor to slip belts into pulley grooves

Slide motor plate back to achieve proper belt tension (1/4” deflection per foot of center distance)

Lock motor plate adjustment bolts in place

Ensure pulleys are properly aligned

Loosen motor pulley setscrew to adjust alignment

Measure the gap at contact points WXYZ for drive alignment tolerance

Select the center distance range for alignment tolerance