Greenheck Centrifugal Inline Fan BSQ-M 130

Disconnect, lock, and tag power source before servicing.

Ensure the unit is made non-functional by removing fuses and locking off disconnect.

Clean exterior surfaces of the motor to remove dust buildup.

Are grease fittings provided on the motor?

Is the motor temperature below 104ºF (40ºC)?

Replace grease in motors with fittings if applicable and temperature conditions are met.

Remove fuses and lock off disconnect

Ensure wheel is balanced after cleaning

Clean the wheel and housing to remove oil and dust accumulation

Is the wheel operating smoothly and safely?

Check belts for wear and tightness

Are matched belts used on multi-groove pulleys?

Loosen the tensioning device to remove the belt by hand

Ensure belts are not forced on or off

Adjust belts as per 'Pre-Start-Up Checks' after installation

Ensure the following conditions are met before lubrication

Pump grease slowly until a slight bead forms around the seal

Was a high grade lithium base grease used?

Check for overpacking or contamination

Is the lubrication interval appropriate for the environmental conditions?

Check all fasteners for tightness and wheel alignment

Is the wheel rotation clockwise when viewed from the top of the fan?

Ensure all vibration isolator connectors are tight and washers are in place

For BSQ-M Fans: Are the pulleys properly aligned?

For BSQ-M Fans: Measure belt deflection with moderate thumb pressure (inches)

Is the motor pulley set for the specified RPM?

Measure motor amperage and compare with nameplate rating