Basic End-User Preventive Maintenance Program
Definition
The Basic end-user preventive maintenance program can be carried out by:
-
Trained and qualified end-user personnel.
-
Trained and qualified maintenance services provider personnel.
-
Schneider Electric field service representatives.
The Basic end-user preventive maintenance program comprises:
-
Limited visual inspection.
-
Function checks.
-
Replacement by standard exchange of certain assemblies.
The Basic end-user preventive maintenance program must be performed every year in the case of normal operating conditions. Refer to the recommended frequency for the Basic end-user maintenance program for other cases.
Procedures
The Basic end-user procedures are described in detail in MasterPact NT/NW - Basic and Standard End-User Maintenance Procedures for IEC Devices.
|
Part |
Procedure title |
Procedure name |
|---|---|---|
|
Device |
Check the general condition of the device |
Device NII_1_1 |
|
Mechanism |
Operate the device manually and electrically |
Mechanism NII_1_1 |
|
Charge the device electrically with MCH gear motor |
Mechanism NII_1_2 |
|
|
Check the complete closing of device poles |
Mechanism NII_1_3 |
|
|
Auxiliaries |
Check auxiliary wiring and insulation |
Auxiliaries NII_1_1 |
|
Control unit |
Check device tripping and operation of SDE fault-trip indication contacts |
Control Unit NII_1_1 |
|
Check ground-fault or earth-leakage protection function |
Control Unit NII_1_2 |
|
|
Device locking |
Operate device keylocks |
Device Locking NII_1_1 |
|
Operate device padlocks |
Device Locking NII_1_2 |
|
|
Chassis |
Check device racking operation |
Chassis NII_1_1 |
|
Check IBPO racking interlock between racking handle and opening pushbutton (MasterPact NW) |
Chassis NII_1_2 |
|
|
Chassis locking |
Operate chassis keylocking system |
Chassis Locking NII_1_1 |
|
Operate chassis padlocking system |
Chassis Locking NII_1_2 |
|
|
Mechanical interlocking |
Operate chassis interlocking systems |
Mechanical Interlocking NII_1_1 |
Tools
Performing the procedures of the maintenance program requires the following:
-
A standard toolbox with electrical tools and equipment for an electrician.
-
Specific tools, detailed in the maintenance procedures. Refer to MasterPact NT/NW - Basic and Standard End-User Maintenance Procedures for IEC Devices.
Time Required
The average total time required for experienced, trained, and qualified personnel to perform this maintenance program is as follows:
-
15 minutes for a fixed device with all accessories installed
-
20 minutes for a drawout device with all accessories installed