Loren Cook Company Ventilation Fan 225SQN-B

Loosen motor plate adjustment nuts on L-bolts

Move motor plate to slip belts into pulley grooves

Adjust motor plate to achieve proper tension

Lock motor plate adjustment nuts in place

Are the pulleys properly aligned?

Verify wheel-to-inlet clearance before initial start-up

Enter the measured wheel-to-inlet overlap

Is the measured overlap within the maximum allowed for the selected size range?

Loosen the wheel hub and adjust the wheel along the shaft to correct overlap if necessary

Loosen inlet cone bolts and reposition the inlet cone to ensure uniform radial gap

Fill the bearings with grease or moisture-inhibiting oil if the fan is stored for any length of time prior to installation.

Refer to Lubricants on page 5 for guidance.

Ensure the fan is stored properly

Cover openings to prevent dirt and moisture accumulation

Periodically rotate the wheel and operate dampers to maintain grease coating on internal bearing parts

Inspect the unit periodically to prevent damaging conditions

Ensure fan bearings are prelubricated

Check for any specialized lubrication instructions on fan labels

Verify bearing grease is a petroleum lubricant in a lithium base conforming to an NLGI #2 consistency

Is the lubricant compatible with the installation?

If using a different lubricant, describe the flushing process and maintenance steps taken

Lubricate the bearing while the fan is in operation

Enter the number of grease injections used