SPX Corporation Centrifugal Fan HDBI-9

Turn off and lock out power to the motor before starting any work.

Ensure the area around the blower is safe and secured before starting the motor.

Initial Inspection and Preparation

Remove belt guard and open shaft access holes.

Remove protective coating from blower and motor shafts.

Inspect and replace if necessary

Adjust motor on the slide base to be as close to the blower as possible.

Ensure all safety guards are properly attached and fully functional

Is the power to the blower turned off and locked-out if any guards are defective?

Inspect accessories for proper function within intended limits and design specifications

Refer to manufacturer's maintenance manuals for correct maintenance procedures

Have all defective parts been repaired or replaced and inspected by authorized personnel?

Secure blower wheel to prevent wind milling

Consultation for operating condition changes

Check all blower and foundation hardware for tightness

Tighten all set screws or taper-lock bushing bolts to specified torque values

Replace any loose set screws with knurled, cup-point set screws with a nylon locking patch

Ensure motor is turned off and locked out

Gather necessary tools and compatible grease

Identify motors with grease fittings

Lubricate motor according to manufacturer's recommendations

Lock out the power source to the motor and let the wheel come to a complete stop.

Disconnect the inlet and/or discharge duct work from the blower, if necessary.

Remove the inlet side of the blower housing.

Measure and record the location of the blower wheel on the shaft.

Remove the locking hardware in the wheel hub.