Gas-insulated circuit breakers Maintenance Checklist
Work scope & measurement context (optional record fields)
References only. This site supplies no acceptance values, test settings, intervals or release instructions. Selecting a scope does not authorize work. Use Remarks for row-specific context; refer to original files, which are not uploaded here.
Draft · technical review pending. Recording prompts only; not procedures or acceptance criteria. Work and access require your approved plan. No normal ranges, pass/fail values, test settings or maintenance intervals are supplied. Condition results are user-entered judgements under separately approved criteria. Evidence/task/measurement OK means the specified record is complete, not healthy equipment. This checklist does not authorize release to service. Unit selection does not convert values.
Research context & source scope
- USBR FIST technical library — Hydropower maintenance reference library; check edition and installation applicability.
These links do not validate every checkpoint. Technical approval pending; identify the exact applicable manual and work plan.
How to read this form
- As-found observation
- Describe what was observed. OK / Not OK are unavailable.
- Condition
- OK = User assessment under the referenced approved criteria.
- Measurement record
- OK = Required measurement record and context are complete.
- Evidence check
- OK = Required reference or evidence is verified.
- Task record
- OK = The specified recording task is complete.
- Blank / Pending / N/A
- Blank is unclassified. Pending identifies missing checks, evidence or criteria. N/A needs a reason in Remarks.
No row or completed form certifies safety, compliance or fitness for service.
Engineer/date/signature spaces remain for handwriting. Multiple records can be saved locally in this browser and exported; no cloud backup, file attachments or team approval is provided. Older template records stay separate and are not reinterpreted. Keep sensitive information off shared devices.
Compare with an earlier saved inspection
Enter the same Equipment ID, Site and installed-asset identity / serial reference. Only the same template revision is compared. Context and units are shown without conversion or condition verdicts.
Records on hand & preparation
Record the documents and scope available for this inspection. Recording completion is not work authorization.
| No. | Checkpoint | Value / observation | OK | Not OK | N/A | Remarks |
|---|---|---|---|---|---|---|
| 7 | Interrupter technology, pole and serial identity are recordedEvidence check · OK = Required reference or evidence is verified | |||||
| 8 | Accessible housing, bellows or chamber condition is documented as applicableEvidence check · OK = Required reference or evidence is verified | |||||
| 9 | Operation/fault history and OEM wear indicators are recordedEvidence check · OK = Required reference or evidence is verified | |||||
| 10 | Interrupter integrity verification report identifies the approved methodEvidence check · OK = Required reference or evidence is verified | |||||
| 11 | Arc chute/grid condition and exact OEM service/replacement record, only where fitted and accessible within the approved scopeEvidence check · OK = Required reference or evidence is verified | |||||
| 12 | Approved interrupter-specific verification report — attach the approved report with method, conditions and source reference; only if in scopeEvidence check · OK = Required reference or evidence is verified | |||||
| 13 | Maintenance follow-up for interrupter assembly: change from baseline, service/replacement performed and unresolved defect referenceEvidence check · OK = Required reference or evidence is verified |
| No. | Checkpoint | Value / observation | OK | Not OK | N/A | Remarks |
|---|---|---|---|---|---|---|
| 14 | Gas type, compartment and density monitor identity are recordedEvidence check · OK = Required reference or evidence is verified | |||||
| 15 | Density/pressure indication is recorded with the OEM temperature contextEvidence check · OK = Required reference or evidence is verified | |||||
| 16 | Leak alarms and gas service history are documentedEvidence check · OK = Required reference or evidence is verified | |||||
| 17 | Gas quality/recovery records identify method and compartmentEvidence check · OK = Required reference or evidence is verified | |||||
| 18 | Gas density/pressure indication from the identified monitor; retain temperature contextMeasurement record · OK = Required measurement record and context are complete | |||||
| 19 | Approved gas-system service report; retain gas type and source units — attach the approved report with method, conditions and source reference; only if in scopeEvidence check · OK = Required reference or evidence is verified | |||||
| 20 | Maintenance follow-up for gas system: change from baseline, service/replacement performed and unresolved defect referenceEvidence check · OK = Required reference or evidence is verified |
| No. | Checkpoint | Value / observation | OK | Not OK | N/A | Remarks |
|---|---|---|---|---|---|---|
| 21 | OEM wear indicators and accessible contact condition are recordedEvidence check · OK = Required reference or evidence is verified | |||||
| 22 | Mechanism contamination, linkage and lubrication service evidence are documentedEvidence check · OK = Required reference or evidence is verified | |||||
| 23 | Operating count and interrupted-fault records are retainedEvidence check · OK = Required reference or evidence is verified | |||||
| 24 | Contact resistance and timing reports identify poles and test configurationEvidence check · OK = Required reference or evidence is verified | |||||
| 25 | Approved contact-resistance report — attach the approved report with method, conditions and source reference; only if in scopeMeasurement record · OK = Required measurement record and context are complete | |||||
| 26 | Maintenance follow-up for contacts & mechanism: change from baseline, service/replacement performed and unresolved defect referenceEvidence check · OK = Required reference or evidence is verified |
| No. | Checkpoint | Value / observation | OK | Not OK | N/A | Remarks |
|---|---|---|---|---|---|---|
| 27 | Trip/close coil and control voltage identity are recordedEvidence check · OK = Required reference or evidence is verified | |||||
| 28 | Control wiring, terminal and fuse condition are documentedEvidence check · OK = Required reference or evidence is verified | |||||
| 29 | Trip circuit supervision and alarm evidence is referencedEvidence check · OK = Required reference or evidence is verified | |||||
| 30 | Approved trip/close operation report identifies source and control modesEvidence check · OK = Required reference or evidence is verified | |||||
| 31 | Approved trip/close circuit functional report — attach the approved report with method, conditions and source reference; only if in scopeEvidence check · OK = Required reference or evidence is verified | |||||
| 32 | Maintenance follow-up for trip & close circuits: change from baseline, service/replacement performed and unresolved defect referenceEvidence check · OK = Required reference or evidence is verified |
| No. | Checkpoint | Value / observation | OK | Not OK | N/A | Remarks |
|---|---|---|---|---|---|---|
| 33 | Bushing identity and phase/location are recordedEvidence check · OK = Required reference or evidence is verified | |||||
| 34 | Porcelain/polymer surfaces show documented cracks, chips or contaminationEvidence check · OK = Required reference or evidence is verified | |||||
| 35 | Oil level indications, seals and flange leak observations are recorded where fittedEvidence check · OK = Required reference or evidence is verified | |||||
| 36 | Test tap cap/grounding and diagnostic report references are documentedEvidence check · OK = Required reference or evidence is verified | |||||
| 37 | Approved bushing-specific diagnostic report; retain method and original units — attach the approved report with method, conditions and source reference; only if in scopeEvidence check · OK = Required reference or evidence is verified | |||||
| 38 | Maintenance follow-up for bushings: change from baseline, service/replacement performed and unresolved defect referenceEvidence check · OK = Required reference or evidence is verified |
| No. | Checkpoint | Value / observation | OK | Not OK | N/A | Remarks |
|---|---|---|---|---|---|---|
| 39 | Protective earth and bonding conductor identification is recordedEvidence check · OK = Required reference or evidence is verified | |||||
| 40 | Accessible bonds, clamps and joints show documented conditionEvidence check · OK = Required reference or evidence is verified | |||||
| 41 | Missing conductors, corrosion and mechanical damage are recordedEvidence check · OK = Required reference or evidence is verified | |||||
| 42 | Reviewed earth drawing and continuity measurement locations are referencedEvidence check · OK = Required reference or evidence is verified | |||||
| 43 | Approved bonding-continuity report — attach the approved report with method, conditions and source reference; only if in scopeMeasurement record · OK = Required measurement record and context are complete | |||||
| 44 | Maintenance follow-up for grounding & bonding: change from baseline, service/replacement performed and unresolved defect referenceEvidence check · OK = Required reference or evidence is verified |
| No. | Checkpoint | Value / observation | OK | Not OK | N/A | Remarks |
|---|---|---|---|---|---|---|
| 45 | Attach original reports, photographs and manufacturer-document referencesTask record · OK = The specified recording task is complete | |||||
| 46 | Record units, method, conditions and instrument identity for each entered resultTask record · OK = The specified recording task is complete | |||||
| 47 | Explain excluded or inapplicable parts and missing evidenceTask record · OK = The specified recording task is complete | |||||
| 48 | Record discrepancies and assign follow-up owner and due-date referenceTask record · OK = The specified recording task is complete | |||||
| 49 | Record qualified review and separately authorized dispositionTask record · OK = The specified recording task is complete | |||||
| 50 | Reference restoration or release records; this checklist does not authorize releaseTask record · OK = The specified recording task is complete |
elecmaint.com · Template V6 · 50 checkpoints · No automatic condition assessment. OK does not certify safety or fitness for service. N/A requires an explanation; unknown/unverified items remain unclassified.