4.6.5. Renewal of filter cartridges z Allow the filter content to run off along drain plugs. Hold a suitable vessel under hole. CAUTION : Oil is hot and under pressure! z After releasing the clamping bolts remove filter bowls. z Renew filter cartridges. Thoroughly clean all other parts in cleaning fluid. (do not allow cleaning fluid to enter the oil circuit) NOTE : To prevent the seal from twisting hold the filter bowl firmly when tightening the tensioning screw. z Every time an oil change is made, the two oil filter cartridges should be renewed! CAUTION : Use oil filters are classed as dangerous waste and must be disposed of accordingly. Commissioning and Operation - 104 -