en
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WILO SE 2017-12
9 Maintenance and repair.......................................................................................................................................................... 28
9.1
Personnel qualifications................................................................................................................................................................................. 29
9.2
Operator responsibilities................................................................................................................................................................................ 29
9.3
Operating fluid ................................................................................................................................................................................................ 29
9.4
Maintenance intervals .................................................................................................................................................................................... 29
9.5
Maintenance measures .................................................................................................................................................................................. 30
9.6
Repairs .............................................................................................................................................................................................................. 32
10 Faults, causes and remedies .................................................................................................................................................. 33
11 Spare parts............................................................................................................................................................................... 36
12 Disposal.................................................................................................................................................................................... 36
12.1 Oils and lubricants........................................................................................................................................................................................... 36
12.2 Protective clothing ......................................................................................................................................................................................... 36
12.3 Information on the collection of used electrical and electronic products.............................................................................................. 36
13 Appendix.................................................................................................................................................................................. 36
13.1 Tightening torques ......................................................................................................................................................................................... 37
13.2 Operation with frequency converter............................................................................................................................................................ 37
13.3 Ex rating ........................................................................................................................................................................................................... 38