Wilo FKT 50.1 - Page 4

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4 WILO SE 2019-01
9 Maintenance and repair.......................................................................................................................................................... 34
9.1 Personnel qualifications................................................................................................................................................................................. 34
9.2 Operator responsibilities................................................................................................................................................................................ 34
9.3 Labelling of the screw plugs.......................................................................................................................................................................... 34
9.4 Operating fluid ................................................................................................................................................................................................ 35
9.5 Maintenance intervals.................................................................................................................................................................................... 35
9.6 Maintenance measures .................................................................................................................................................................................. 36
9.7 Repairs .............................................................................................................................................................................................................. 43
10 Faults, causes and remedies .................................................................................................................................................. 45
11 Spare parts............................................................................................................................................................................... 48
12 Disposal.................................................................................................................................................................................... 49
12.1 Oils and lubricants........................................................................................................................................................................................... 49
12.2 Water-glycol mixture..................................................................................................................................................................................... 49
12.3 Protective clothing .........................................................................................................................................................................................49
12.4 Information on the collection of used electrical and electronic products.............................................................................................. 49
13 Appendix.................................................................................................................................................................................. 49
13.1 Tightening torques ......................................................................................................................................................................................... 49
13.2 Operation with frequency converter............................................................................................................................................................ 50
13.3 Ex rating ........................................................................................................................................................................................................... 51