DESMI PUMPING TECHNOLOGY A/S P a g e | - 52 -Tagholm 19400 Nørresundby - DenmarkPhone.: +45 96 32 81 11Fax : +45 98 17 54 99E-mail: desmi@desmi.comwww.desmi.comMaintenanceDuring daily inspection, check: Solution:That the pump does not vibrate or emit jarring soundsThat there is no cavitation inside the pump casingThat lubricated slide bearings are lubricatedThat open ball/roller bearings are lubricatedThat there is liquid in connection with liquid-greased slide bearingThat any lubricating devices are in working orderThat any circulation pipes – cooling, heating or pressurisedwater pipes are in working orderThat power output and power consumption are correctThat flow and operational pressure is correctThat the max. allowed temperature is observedDuring weekly inspection, check:That any filters and drainage holes are cleanThat the soft stuffing box is leaking 10-100 drops per minuteThat mechanical shaft seals are not leakingThat the surroundings of the stuffing box and bearings are free fromdirtWhether flexible connecting elements are worn To be replaced if wornDuring inspection every 2 months, check:That the bearings do not have too much playThat the bypass valve, if any, functions correctly and opens atthe right pressureThat the stuffing box is intact To be after-packed or repackedIn connection with service work, check:All parts for wear and tear Replace worn partsThat all parts are located correctly in connection with assemblyFigure 34:The figure shows which parts or what must be checked and maintained on the pump, and at whatintervals this must be undertaken.
