Eaton Cutler-Hammer VCP-W, Инструкции по установке, эксплуатации и техническому обслуживанию

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I.B. 3A74792H04
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Effective 7/97
6-3 INSPECTION AND MAINTENANCE PROCEDURES
No./Section Inspection Item Criteria Inspection Method Corrective Action
1. Insulation Drive Insulator No dirt Visual Check Clean with lint-free cloth
and and or
Molded Pole Unit Support No cracking Visual Check Replace cracked unit
Insulation Main Circuit to Ground Withstand Hipot Tester Clean and retest or replace
Integrity
Between Main Circuit Withstand Hipot Tester Clean and retest or replace
Terminals
Control Circuit to Ground Withstand Hipot Tester Clean and retest or replace
2. Power Vacuum Interrupters Visibility of 3 front Visual/Measurement - Close the circuit If the front indicator marks are
Elements Contact Erosion Marks breaker and observe if all 3 front indicator in the red area and the rear
and Precise Measure- marks are in green area, and then measurement is not acceptable,
ment from rear proceed as described in Paragraph 6-5 replace pole unit assembly
Contact wipe Measurement of Loading Spring as If measurement is not acceptable,
measurement described in Paragraph 6-6 replace pole unit assembly
Adequate Vacuum Proceed with integrity check as If integrity check is not satisfactory,
described in Paragraph 6-4 replace pole unit assembly
Primary Disconnects No burning or damage Visual Check Replace if burned, damaged
or eroded
3. Control Closing and Tripping Device Smooth and correct Test closing and tripping of the Replace any defective device. Identify
Circuit Including Disconnects operation by control circuit breaker twice per trouble-shooting chart
Parts power
Wiring Securely tied in Visual Check Repair or tie as necessary
proper place
Terminals Tight Visual Check Tighten or replace if necessary
Motor Smooth, Normal Functional Test Replace brushes or motor
Operation
4. Operating Tightness of Hardware No loose or missing Visual and by feel Refer to Table 6.1 and tighten
Mechanism parts or reinstate if necessary with
appropriate tools
Dust or Foreign Matter No dust or foreign Visual Check Clean as necessary
matter
Lubrication Smooth operation Sight, feel and per maintenance Refer to Figure 6-1, Paragraph
and no excessive schedule 6-11 and lubricate very spar-
wear ingly with light machine oil
Deformation or Excessive No excessive Visual and operational Remove cause and replace parts
Wear deformation or wear
Manual Operation Smooth operation Manual charging, closing Correct per troubleshooting
and tripping chart if necessary