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WILO USA 2021-01
9 Maintenance/repair ....................................................................................................................................................................... 29
9.1
Personnel qualifications......................................................................................................................................................................................... 31
9.2
Operation monitoring............................................................................................................................................................................................. 31
9.3
Maintenance tasks.................................................................................................................................................................................................. 31
9.4
Draining and cleaning............................................................................................................................................................................................. 31
9.5
Dismantling.............................................................................................................................................................................................................. 32
9.6
Installation ............................................................................................................................................................................................................... 34
10 Troubleshooting possible causes and remedies......................................................................................................................... 37
10.1 Troubleshooting...................................................................................................................................................................................................... 38
10.2 Causes and remedies .............................................................................................................................................................................................. 38
11 Spare parts...................................................................................................................................................................................... 39
11.1 Spare parts list ......................................................................................................................................................................................................... 40
12 Disposal........................................................................................................................................................................................... 41
12.1 Oils and lubricants................................................................................................................................................................................................... 41
12.2 Water-glycol mixture ............................................................................................................................................................................................. 41
12.3 Protective clothing ................................................................................................................................................................................................. 41
12.4 Information on the collection of used electrical and electronic products...................................................................................................... 41