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Maintenance >> Example Checklist


The following checklist is provided as a guideline to assist with the materials needed and areas to check for an effective preventive maintenance program of ventilation systems in Battery Manufacturing plants.

Evaluation Equipment
 Paper, pencil, recording devices
 Smoke tubes, candles
 Velometer
 Pilot tube, manometer, hoses
 Drill, bits
 Tape measure
 Flashlight
 Ladder
 Rags
 Watch
 RPM meter
 Sound level meter
 Volt/amp meter

Previously Recorded Data
 Original design specifications and drawings
 Original operating conditions
 Modifications
 Past inspection reports
 Persons to contact
 Maintenance schedule
 Controls
 Lockout provisions
 Compliance inspections
 Exposure monitoring records
 Injury and illness history

Employee contact
 Complaints
 Suggestions
 Observed work practices
 Interaction with control
 Interaction with emission source
 Training
 Use of personal protective equipment (PPE)
 Cooperation

Emission Source
 Location of emissions
 Rates of emission
 Chemical characteristics
 Physical characteristics
 Employee exposure levels
 Environment

Hood
 Type (enclosure, receive, capture)
 Capture velocity
 Face velocity
 Performance during normal operation
 Performance during abnormal operation
 Compatibility with work requirements
 Physical integrity
 competing air currents
 Hood static pressure
 Hood entry loss
Ductwork
 Physical integrity
 Plugging and blockage
 Transport velocities
 Duct material
 Changes since last inspection
 Blast gate and damper settings

Air Cleaner
 Physical integrity
 Static pressure drop
 Waste stream handling
 Maintenance and operation
 PM program followed

Fan
 Direction of rotation
 RPM
 Pulleys, belts
 Access doors
 Fan wheel
 Fan housing
 Flexible coupling
 Inlet/outlet
 Stack weather head
 Bearings
 Vibration and noise
 Fan SP/fan TP

Fan Motor
 RPM
 Rated HP
 Amperage
 Actual BHP
 Drive train
 Temperature
 Weather protection
 Vibration

Replacement Air
 Same CFM as exhaust
 Force on doors
 Drafts at exterior walls
 Inlets
 Heat/cooling source
 Distribution
 Interference with capture velocity
 Back-up system
 Monitoring or warning system

Measurement and Calculations
 Hood static pressure
 Capture velocity
 Face velocities
 Duct diameters, lengths
 Duct transport velocities
 Temperature, pressure
 Flow rates
 Fan SP/fan TP
 Fan RPM
 Motor RPM
 Motor amps
 System static pressure


Checklist provided courtesy of Jeff Burton, as found in Industrial Ventilation, A Self-Directed Learning Workbook, Checklist No. 8.

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