en
4 WILO SE 2017-06
9 Maintenance and repair.......................................................................................................................................................... 31
9.1 Personnel qualifications................................................................................................................................................................................. 32
9.2 Operator responsibilities................................................................................................................................................................................ 32
9.3 Labelling of the screw plugs.......................................................................................................................................................................... 32
9.4 Operating fluid ................................................................................................................................................................................................ 32
9.5 Maintenance intervals.................................................................................................................................................................................... 33
9.6 Maintenance measures .................................................................................................................................................................................. 33
9.7 Repairs .............................................................................................................................................................................................................. 37
10 Faults, causes and remedies .................................................................................................................................................. 40
11 Spare parts............................................................................................................................................................................... 43
12 Disposal.................................................................................................................................................................................... 43
12.1 Oils and lubricants........................................................................................................................................................................................... 43
12.2 Protective clothing .........................................................................................................................................................................................43
12.3 Information on the collection of used electrical and electronic products.............................................................................................. 43
13 Appendix.................................................................................................................................................................................. 43
13.1 Tightening torques ......................................................................................................................................................................................... 43
13.2 Operation with frequency converter............................................................................................................................................................ 44
13.3 Ex rating ........................................................................................................................................................................................................... 45
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