Reduced or irregular pump discharge
Hamworthy Super Trident ST6A, instalasi pengolahan limbah biologis, imo mepc.2(vi)
Kemungkinan penyebab
Choked impeller, valve or non-return valve partly closed
Yang harus dilakukan
Manual produsen, hlm. 70Dismantle and clean, attend to valves
Gangguan Hamworthy Super Trident ST6A lainnya
Tank overflow / high level alarmDischarge pump failure, pipe blockage or excessive inflow (leaking WC flush valves)Bad smell from the unitAnaerobic tank: compressor, air-lifts or diffusers not working, or too much sludgePoor effluent qualityLack of oxygen, killed bacteria by disinfectant cleaners, sludge not returning, too much flushing waterScum on the settling tankSkimmer or air-lifts not workingFoaming in the aeration tank and ventToo much cleaning agentDischarge pump gives no flowClosed valves, blocked suction, air leaks or loops in suction pipeAir gauge 0.2 bar above normal / relief valve blowingClogged diffuser elements or dirty filters
Dari manual produsen “Sewage treatment plant manual”. Periksa dokumen asli di kapal sebelum bekerja.
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