Preventive And General Maintenance - Siemens 8DJH Installation And Operating Instructions Manual

10 Preventive and general maintenance

Switchgear is maintenance-free under normal ambient conditions according to IEC 62271-1.
Inspection or testing of the secondary equipment such as the capacitive voltage detecting
system is done within the scope of locally applicable laws and regulations.
Checking the dew point
The dew point needs no checking throughout the entire service life.
Checking the gas quality
The gas quality needs no checking throughout the entire service life.
Test operation
A function test of the switching devices is required only at the time of commissioning,
modification or retrofit at the panel.
Replacement of components
Due to the fact that all parts of this switchgear have been optimized to last the normal service
life, it is not possible to recommend particular spare parts.
Information required for spare part orders of single components and devices:
▪ Type and serial number of the switchgear [▶ Page 46, "Rating plates"].
▪ Description or identification of the device or part on the basis of a sketch, a photo or a circuit
diagram
500-8384.9 • Version 11 • Installation and Operating Instructions • 8DJH 165/174