The New York Blower Company Blower BC-40

Ensure electrical supply is disconnected and locked out

Check all setscrews and bolts for tightness

Refer to the corresponding table for correct torques

Recheck setscrews after operation

Refer to Table 1 for wheel setscrew torques

Refer to Table 2 for bearing setscrew torques

Shut down the fan if there is a sudden increase in vibration

Ensure electrical supply is disconnected and locked out

Check the V-belt drive for proper alignment and tension

Check belt tension with a tensioning gage

Adjust belt tension using the motor slide base

Check if belt tension prevents slippage under full load

Replace worn belts as a matched set

Check sheave alignment with a straightedge

Applies during long-term or outdoor storage only

Add additional grease to split housed bearings if necessary

Rotate the fan wheel and motor shaft by hand to redistribute grease

Use caution when purging to avoid seal damage

Rotate the shaft while slowly adding grease

Verify the following components

Has the belt tension been rechecked after several days of operation?

Ensure electrical supply is disconnected and locked out

Block the rotating assembly securely

Inspect fan wheel for wear or corrosion

Check for build-up of material on the fan wheel

Is cleaning or replacement of the fan wheel required?

Clean or replace the fan wheel as required

Ensure fan hub is not removed or loosened from the fan wheel