The New York Blower Company Blower AF-60

Ensure electrical supply is completely disconnected and locked out

Block the rotating assembly securely

Inspect the fan wheel for issues

Is there any wear or corrosion on the fan wheel?

Is there any build-up of material on the fan wheel?

Clean or replace the fan wheel as required

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

Lubricate the coupling of direct-drive units and check for alignment

Refer to manufacturer's installation and maintenance supplement for lubrication details and alignment tolerances

Recheck alignment and gap after a short period of operation

Recheck the tightness of all fasteners in the coupling assembly

Check coupling alignment after permanent installation and prior to start up

Align the coupling to within the manufacturer's limits for parallel and angular misalignment

Was the coupling alignment within the manufacturer's specified limits?

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

Replace worn belts as a set, matched to manufacturer's tolerances

Check sheave alignment with a straightedge

Check setscrew and/or bushing bolt tightness

Ensure electrical supply is disconnected and locked out

Check all setscrews and bolts for tightness

Refer to the corresponding table for correct torques

Recheck all wheel, sheave, and coupling setscrews after specified operation times

Refer to Table 1 for wheel setscrew torques

Refer to Table 2 for bearing setscrew torques

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

Verify the following components

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