9 Maintenance and repair........................................................................................................................................................ 307

9.1

Personnel qualifications............................................................................................................................................................................... 308

9.2

Operator responsibilities.............................................................................................................................................................................. 308

9.3

Operating fluid .............................................................................................................................................................................................. 308

9.4

Maintenance intervals .................................................................................................................................................................................. 308

9.5

Maintenance measures ................................................................................................................................................................................ 309

9.6

Repairs ............................................................................................................................................................................................................ 312

10 Faults, causes and remedies ................................................................................................................................................ 315

11 Spare parts............................................................................................................................................................................. 317

12 Disposal.................................................................................................................................................................................. 317

12.1 Oils and lubricants......................................................................................................................................................................................... 317

12.2 Protective clothing ....................................................................................................................................................................................... 317

12.3 Information on the collection of used electrical and electronic products............................................................................................ 317

13 Appendix................................................................................................................................................................................ 317

13.1 Tightening torques ....................................................................................................................................................................................... 317

13.2 Operation with frequency converter.......................................................................................................................................................... 318

13.3 Ex rating ......................................................................................................................................................................................................... 318

278

WILO SE 2019-01