7.1 WASHING THE GEARBOX ...............................................................................................................................................................30
7.2 CHANGING THE CENTRAL GEAR WHEEL ........................................................................................................................................30
7.3 REPLACING THE CENTRAL SPLINED SHAFT ...................................................................................................................................30
7.4 REPLACING THE MECHANICAL SEAL .............................................................................................................................................31
7.5 REPLACING THE CENTRIFUGAL PUMP SHAFT ................................................................................................................................31
7.6 REPLACING THE IMPELLER ............................................................................................................................................................31
7.7 REPLACING THE SCREW NUT .........................................................................................................................................................32
7.8 REPLACING THE SCREW NUT SUPPORT .........................................................................................................................................32