Wilo T 12 Notice De Montage Et De Mise En Service page 122

en
13.3.6.1 Repair of housing coating
13.3.6.2 Changing the mechanical seal
13.3.6.3 Replacing the connection cable
122
Appendix
▪ Only carry out maintenance tasks mentioned in these installation and operating in-
structions.
▪ The spark-proof gaps may only be repaired according to the manufacturer's design
specifications. It is not permitted to carry out repairs according to the values in tables 1
and 2 of DIN EN 60079-1.
▪ Only use screw plugs as stipulated by the manufacturer, that at least correspond to a
strength class of 600 N/mm² (38.85 long tons-force/inch²).
The paint layer can become electrostatically charged in case of thicker
coats.DANGER! Risk of explosion! In explosive atmospheres, a discharge can cause
an explosion!
If the housing coating has to be repaired, the maximum coat thickness is 2 mm
(0.08 in)!
Changing the seal on the fluid and motor side is strictly prohibited!
Changing the connection cable is strictly prohibited!
WILO SE 2019-01