Intermediate End-User Preventive Maintenance Program (Every 2 Years)
General preventive maintenance operations such as general adjustments, troubleshooting and diagnosis of breakdowns, repairs by exchange of components or functional parts, minor mechanical repairs, carried out by a qualified customer technician using the tools and measurement/setting devices specified in the manufacturer maintenance instructions.
|
Part |
Procedure title |
Year |
Tool |
||||
|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 |
5* |
|||
| Mechanism |
Check general condition of mechanism. |
– | ✔ | – | ✔ | ✔ |
Screwdriver |
| Control auxiliaries (electrical operated device) |
Check closing operation of control auxiliary XF at 0.85 Un. |
– | ✔ | – | ✔ | ✔ |
External power supply |
|
Check opening operation of control auxiliary MX at 0.70 Un. |
– | ✔ | – | ✔ | ✔ |
External power supply |
|
|
Check operation of control auxiliary MN/MNR between 0.35 and 0.70 Un |
– | ✔ | – | ✔ | ✔ |
External power supply |
|
|
Check delay of MNR devices at 0.35 and 0.70 Un. |
– | ✔ | – | ✔ | ✔ |
External power supply |
|
|
Check MX tripping time. |
– | ✔ | – | ✔ | ✔ |
Tester |
|
| Chassis (optional) |
Dust and regrease chassis. |
– | ✔ | – | ✔ | ✔ |
Mobilith SHC100 |
|
Regrease disconnecting-contact clusters (specific case of corrosive atmospheres). |
– | ✔ | – | ✔ | ✔ |
Mobilith SHC100 |
|
| Power connections |
Check and tighten loose connections. |
Only after a visual inspection showing overheating marks |
Dynamometric crank |
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