Like any other equipment in your facility, a DAF system absolutely must be maintained if you expect it to perform as designed. Whether you’re in charge of DAF system operation & maintenance or you’re in charge of the guys whose job it is to maintain the DAF system, here’s the list of maintenance procedures that should be performed on a daily, weekly, and monthly basis.
Daily:
- Check all control system alarms
- Monitor effluent quality/turbidity
- Clean air filter/regulator in pneumatic panel
- Inspect system for leaks in pipes and pumps
- Adjust water level to generate thick sludge layer
- Monitor influent flow rate
- Check and set recycle pump pressure
- Eject sediment from drain valves
- Check and set air flow setting in pneumatic panel
- Check for clogging in aeration valves
- Open and reset all bleed-off valves to clear obstructions
- Monitor skimmer system for smooth operation and correct tension
- Check and set chemical dosing rates (if chemically equipped)
- Inspect chemical supply (if equipped)
Weekly:
- Drain and clean DAF unit
- Inspect strainers and filters. Replace as necessary
- Purge plate pack using purge valves
- Inspect and clear tanks and sumps of sediment
Monthly:
- Apply anti-seize to frequently-used threaded parts
- Grease all bearings
- Check skimmer/auger drive oil
- Check recycle pump oil/grease (if equipped)
- Inspect 3rd party components as per their O&M Manuals
- Check lamps on control panel
- Switch to alternate pumps/motors
Do these simple tasks and you should be able to keep the system working like a charm. If for some reason something’s not working or needs replacement, give us a call. We stock all DAF System spare parts for immediate shipment.