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WILO SE 2019-01
9 Maintenance and repair.......................................................................................................................................................... 33
9.1
Personnel qualifications................................................................................................................................................................................. 34
9.2
Operator responsibilities................................................................................................................................................................................ 34
9.3
Operating fluid ................................................................................................................................................................................................ 34
9.4
Maintenance intervals .................................................................................................................................................................................... 34
9.5
Maintenance measures .................................................................................................................................................................................. 35
9.6
Repairs .............................................................................................................................................................................................................. 38
10 Faults, causes and remedies .................................................................................................................................................. 41
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 ........................................................................................................................................................................................................... 44