Loren Cook Company Ventilation Fan CPS 300

Remove pulleys from their respective shafts

Clean bores of pulleys and coat the bores with heavy oil

Remove grease, rust or burrs from the pulleys and shafts

Remove burrs from shaft by sanding

Place fan pulley on fan shaft and motor pulley on its shaft

Install belts on pulleys and align as described in Belt and Pulley Installation

Is the fan in operation during lubrication?

Clean the grease nipple and vicinity thoroughly without high pressure equipment

Pump grease slowly until a slight bead forms around the bearing seals

Was excessive grease avoided to prevent seal damage?

Was excessive pressure avoided during lubrication?

Did fresh grease slip past the seal?

Use no more than three injections with a hand-operated grease gun if the bearing cannot be seen

Establish a schedule for inspecting all parts of the fan

Determine the frequency of inspection based on operating conditions and location

Inspect fans exhausting corrosive or contaminated air within the first month of operation

Motor Bearings - Standard Service Conditions

Verify lubrication instructions on motor nameplate

Is the motor installed vertically?

Use compatible grease for lubrication

Motor Bearings - Severe Service Conditions

Verify lubrication instructions on motor nameplate

Are the motor bearings operating under severe conditions?

Disassemble the motor bearings for inspection

Was the lubrication process successful?