Loren Cook Company Ventilation Fan CPV 150

Loosen motor plate adjustment bolts and move motor to allow belt installation

Slide motor plate back to achieve proper belt tension

Measure belt 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 allowable gap for drive alignment tolerance

Motor Bearings - Nema Frame Size up to and including 184T

Verify lubrication instructions on motor nameplate

Use polyurea mineral oil NGLI #2 grease for lubrication

Select compatible grease used for lubrication

Is the motor installed with a vertical shaft?

Motor Bearings - Nema Frame Size 213T-365T

Verify lubrication instructions on motor nameplate

Check that all necessary tools are available

For Arrangement 1, 2, 8, 9 and 10

Mark the position on the shaft of both bearing races, setscrews, and the wheel and pulley.

Mark the location and orientation of the inlet cone.

Note the clearance between the wheel and inlet cone.

Remove the fan pulley and inlet cone.

Remove the wheel from the shaft using a 2-jaw puller if needed.

Remove bearing hold-down bolts and remove shaft and bearings as one unit.

Ensure all belt driven fans with motors up to and including 5HP are equipped with variable pitch pulleys

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

Turn the pulley rim to open or close the groove facing

If the pulley has multiple grooves, ensure all are adjusted to the same width

Inspect for proper belt tension after adjustment

Select the desired speed adjustment

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

Fill the bearings with grease or moisture-inhibiting oil

Rotate the wheel several revolutions periodically

Store the fan in its original crate

Protect the fan from dust, debris, and weather