Inspection items and tests
Primary-power path checks
Inspection of primary disconnects
Stored-energy operator-mechanism checks
Maintenance and lubrication
Manual-spring charging check
Wiring and terminals checks
Automatic spring-charging check
Electrical close and trip check
Inspection and cleaning of circuit-breaker insulation
Failure to maintain the equipment can result in death, serious injury, property damage or
product failure, and can prevent successful functioning of connected apparatus.
The instructions contained herein should be carefully reviewed, understood and followed.
The maintenance tasks in Table 1 must be performed regularly.
Table 1: Maintenance tasks
Recommended maintenance and
Periodic maintenance and lubrication
should include all the tasks shown in
Recommended procedures for each of the
listed tasks are provided in this section of
the instruction manual.
The list of tasks in Table 1 does not
represent an exhaustive survey of
maintenance steps necessary to ensure
safe operation of the equipment.
Particular applications may require further
procedures. Should further information be
desired or should particular problems arise
not covered sufficiently for the Purchaser's
purposes, the matter should be referred to
Siemens at +1 (800) 347-6659 or
+1 (919) 365-2200 outside the U.S.