INSPECTION AND SERVICE REPORT

  • Instructions:
    -------------------------------------

    1. Answer "Compliant", "Non-Compliant", "N/A" for the questions below.
    2. Fill out required fields and answer other questions as needed.
    3. Add photos and notes by clicking on the paperclip icon.
    4. To add a Corrective Measure click on the paperclip icon then "Add Action", provide a description, assign to a member, set priority and due date.
    5. Complete audit by providing a digital signature.
    6. Share your report by exporting as PDF, Word, Excel or Web Link.

GENERAL INFORMATION

  • CONTACT PERSON

  • PHONE NUMBER

  • CUSTOMER ORDER NUMBER

  • NHP SON NUMBER

  • NHP PROJECT

  • ACB

  • USED AS:

  • SERIAL NUMBER

  • SPECIAL WIRING REQUEST NUMBER

LOOSE SCREWS OR BOLTS

  • INSPECTION POINTS:

  • • Assembly screws

  • • Accessories mounting screws

  • • Internal terminal screws

  • Loose screws or bolts

DUST ACCUMULATION

  • INSPECTION POINTS:

  • • Top of each arc chute

  • • insulation surfaces & recesses

  • • Lubricated parts

  • • Terminals

  • • Operating mechanism

  • Dust accumulation

SMOOTH SWITCHING OPERATION

  • INSPECTION POINTS:

  • • All mechanical part

  • • Closing and Opening mechanisms

  • • Moving contacts

  • • Rotating shafts, rollers, bearings

  • Smooth switching operation

CONTACTING CONDITION

  • INSPECTION POINTS:

  • • Main contacts

  • • Arcing contact

  • • Other

  • Contacting condition

MISSING PARTS

  • INSPECTION POINTS:

  • • Screws, bolts, nuts

  • • Snap rings, split pins, E rings

  • • Springs

  • • Other small parts

  • Missing parts

DAMAGED PARTS

  • INSPECTION POINTS:

  • • Moulded insulators

  • • Contacts

  • • Coils CTS

  • • Springs

  • • Other

  • Damaged Parts

CONDUCTOR DISCOLORATION

  • INSPECTION POINTS:

  • • Busbar connections

  • • Stationary contacts

  • • Conductor connections

  • • Moving Contacts

  • • Other

  • Conductor discoloration

MANUAL CHARGING

  • INSPECTION POINTS:

  • Number of full strokes

INSULATION RESISTANCE

  • • Current carrying part and ground

  • • Poles

  • • Arc chute grid plates

  • Insulation Resistance

INTERNAL CONTACT RESISTANCE

  • Internal contact resistance

  • INSPECTION POINTS:

  • • Total contact resistance between main terminals micro ohms

  • A

  • Before

  • After

  • B

  • Before

  • After

  • C

  • Before

  • After

  • N

  • Before

  • After

  • Typical Normal Resistance:

ALIGNMENT OF MAIN CONTACTS

  • INSPECTION POINTS:

  • • Arcing contact at Close

  • • Main contact open gap

  • • Contact over travel

ELECTRICAL OPERATION

  • INSPECTION POINTS:

  • • Closing mechanism and associated accessories

  • • Trip mechanism and associated accessories

  • Electrical operation

Motor

  • Voltage

  • 110% V

  • 85% V

  • Coil Resistance (Motor spring charge)

LRC

  • Voltage

  • 110% V

  • 85% V

  • Coil Resistance (Closing device)

Shunt

  • Voltage

  • 110% V

  • 85% V

  • Coil Resistance (Tripping device)

UVT Motor

  • Voltage

  • 110% V (Pickup> 85% V)

  • 85% V (Trip< 65% V)

  • Coil Resistance (Attraction coil)

  • Coil Resistance (Holding coil)

Magnetic Hold Tripping device

  • 85% V (MHT)

  • Coil Resistance faulty?

COMPLETION

  • Summary and Notes

  • Inspected and Tested by:

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