Specifications include, but are not limited to:. ROUTINE DAILY ADJUSTMENTS: 1.Good operation: no adjustments required. 2.Excessive foaming: install or operate spray system. 3.Floating lumps of grease in settling tank: skim settling tank frequently. Clean or install grease trap. 4.Layer of sludge visible near surface of settling tank: increase sludge return rate. Scrape hopper. 5.Solids in effluent: reduce sludge return rate. 6.Floating solids in settling compartment: scrape hopper. Skim settling tank. 7. No sludge return: backwash sludge return. Scrape hopper. 8.Plant under-loaded: reduce running time. 9.Inadequate return of sludge: increase sludge return rate. 10.Uneven tank oil: adjust valves until roll (mixing) is uniform. 11.Insufficient solids in plant: increase aeration. Increase sludge return rate. 12.Over aeration: reduce aeration. 13.Insufficient aeration: increase aeration. 14.No air rising in tank. Blower not running: press reset on starter. Check V-belt. Check circuit breaker. Check power. 15.Septic wastewater: maximum aeration. Check incoming flow for toxic material such as bleach, gasoline, etc