Wilo T72 Instrucciones De Instalación Y Funcionamiento página 188

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9 Maintenance and repair........................................................................................................................................................ 223
9.1 Personnel qualifications............................................................................................................................................................................... 224
9.2 Operator responsibilities.............................................................................................................................................................................. 224
9.3 Labelling of the screw plugs........................................................................................................................................................................ 224
9.4 Operating fluid .............................................................................................................................................................................................. 224
9.5 Maintenance intervals .................................................................................................................................................................................. 224
9.6 Maintenance measures ................................................................................................................................................................................ 225
9.7 Repairs ............................................................................................................................................................................................................ 234
10 Faults, causes and remedies ................................................................................................................................................ 236
11 Spare parts............................................................................................................................................................................. 239
12 Disposal.................................................................................................................................................................................. 240
12.1 Oils and lubricants......................................................................................................................................................................................... 240
12.2 Protective clothing ....................................................................................................................................................................................... 240
12.3 Information on the collection of used electrical and electronic products............................................................................................ 240
13 Appendix................................................................................................................................................................................ 240
13.1 Tightening torques ....................................................................................................................................................................................... 240
13.2 Operation with frequency converter.......................................................................................................................................................... 241
13.3 Ex rating ......................................................................................................................................................................................................... 241
188 WILO SE 2019-01