A detailed Bag Filter DAILY preventive maintenance checklists
1. Visual Inspection
- Look for cracks, dents, or rust on the bag filter housing.
- Check for tears, holes, or heavy dirt on the filter bags.
- Ensure access doors are closed and seals are intact.
- Inspect ductwork for air leaks or loose connections.
- Examine support structure for corrosion or weakness.
- Verify tightness of all fasteners and clamps.
- Check pressure gauge for accuracy and signs of failure.
- Listen for unusual noises or vibrations during operation.
- Look for overflow or blockages in the dust collection bin.
- Test visual indicators or alarms for proper functionality.
- Inspect for condensation or moisture near the filter system.
- Ensure inlet and outlet ducts are aligned and secured.
- Check for pests or debris around the filter area.
2. Operational Checks
- Check the gauge display for values outside the normal range.
- Record any abnormal readings for further analysis.
- Ensure the gauge is calibrated and functioning correctly.
- Use a tachometer to measure the fan RPM.
- Compare the reading with the manufacturer's specifications.
- Document any deviations for maintenance review.
- Listen for grinding, rattling, or excessive vibration sounds.
- Inspect the fan and motor mounts for any loose components.
- Report any unusual sounds to maintenance for investigation.
- Check that the control panel displays correct setpoint values.
- Test the system's response to manual adjustments.
- Log any discrepancies or failures in response.
- Look for tears, holes, or discoloration on the bags.
- Check seams and connections for integrity.
- Replace any damaged bags immediately.
- Visually inspect joints and seams for air leaks.
- Use smoke or a leak detection solution to identify leaks.
- Seal any leaks found to maintain system efficiency.
- Use an anemometer to measure airflow at designated points.
- Compare measurements against the specified airflow range.
- Adjust dampers or fan speed if necessary.
- Check dust accumulation levels in collection containers.
- Ensure that all components are clean and operational.
- Assess overall system performance and report inefficiencies.
- Inspect bags for noticeable dust accumulation.
- Perform a reverse air pulse check if applicable.
- Replace bags showing signs of excessive clogging.
- Measure pressure drop using manometers at inlet and outlet.
- Compare readings to acceptable threshold values.
- Schedule maintenance if pressure drop exceeds limits.
- Use temperature probes to measure inlet and outlet temperatures.
- Document temperature readings for trends over time.
- Investigate any significant temperature differences.
- Inspect drain valves for signs of leakage or corrosion.
- Test valve operation by manually actuating them.
- Ensure proper sealing and functionality of all valves.
- Initiate cleaning cycle and observe the system's operation.
- Check for complete and effective cleaning of filter bags.
- Report any failures or inconsistencies in the cleaning cycle.
- Test each interlock by simulating fault conditions.
- Ensure that the system shuts down as designed.
- Document any interlocks that fail to operate correctly.
3. Cleaning and Maintenance
- Use a soft brush or cloth to wipe down surfaces.
- Vacuum any loose debris that cannot be brushed off.
- Ensure no dust is left in crevices or corners.
- Remove the pre-filter from its housing.
- Inspect for dirt buildup and damage.
- Clean using compressed air or wash with water if washable.
- Reinstall securely after cleaning.
- Activate the pulse jet system for a few seconds.
- If manual shaking, gently shake each bag from the bottom up.
- Ensure no excess debris remains on the bags.
- Visually inspect the drain for any visible blockages.
- Use a rod or similar tool to clear obstructions.
- Ensure the collection hopper is empty and unobstructed.
- Remove the filter bag cages from the housing.
- Use a soft brush or cloth to clean the cages.
- Inspect for dents, rust, or corrosion.
- Replace any damaged cages immediately.
- Check each clamp and fastener for tightness.
- Use a torque wrench to ensure proper tension.
- Inspect for any signs of corrosion.
- Replace any faulty clamps or fasteners.
- Examine the sealing surfaces for wear or damage.
- Clean the surfaces to ensure a proper seal.
- Replace any worn or damaged seals promptly.
- Ensure new seals are installed correctly.
- Examine the housing for rust or pitting.
- Use a wire brush to remove corrosion.
- Apply a protective coating if necessary.
- Ensure the housing is dry before reassembly.
- Refer to the manufacturer's lubrication schedule.
- Use the recommended lubricant for each component.
- Apply lubricant evenly to all moving parts.
- Wipe away any excess lubricant.
- Remove the old filter bags carefully.
- Inspect the new filter bags for integrity.
- Install the new filter bags securely.
- Dispose of old bags according to regulations.
- Connect a manometer to the pressure ports.
- Record the pressure readings.
- Compare readings with acceptable limits.
- Investigate any deviations from normal.
- Turn off the system and disconnect power.
- Remove any accumulated dust from the fan blades.
- Inspect the motor for debris and clean if necessary.
- Ensure all components are dry before reassembly.
- Inspect ductwork for visible damage or separation.
- Use a smoke test to identify leaks.
- Clear any blockages found within the ductwork.
- Seal any leaks properly.
- Check that all guards are properly aligned.
- Tighten any loose screws or fasteners.
- Verify that all covers are secured.
- Document any issues for follow-up.
Use in Manifestly