Toshiba H6A-HLS, HV6CS-MLD operation manual Periodic Inspection Checkpoints

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Table 7 Inspection Frequency

Type of inspection

 

Inspection frequency

Patrol Inspection

 

Once every 6 months

Periodic Inspection

 

Normal

Once every 1 to 3 years or every 3,000 operations

 

 

Detailed

Once every 6 years

Unscheduled Inspection

 

As needed

6.4 Periodic Inspection Checkpoints

Table 8 Periodic Inspection Checkpoints

No.

Location

Item

Inspection

Criteria

Disposition

Remarks

 

 

 

method

 

 

 

1

Operating

Loose bolts,

Tighten using

Make sure all

Tighten if

See Table

 

mechanism

nuts or screws

screwdriver or

bolts, nuts and

loose.

6 for

 

 

 

wrench.

screws are tight.

 

tightening

 

 

 

 

 

 

torque.

 

 

Dust or foreign

Visual

Make sure there is

Wipe with a dry

 

 

 

matter inside

inspection.

no dust or foreign

cloth.

 

 

 

 

 

matter.

 

 

 

 

Indicator

Visual

Make sure

Check the

 

 

 

operation

inspection.

switching status is

cause and

 

 

 

 

 

properly displayed.

repair.

 

 

 

Part warping

Visual

Make sure no

Check the

 

 

 

 

inspection.

parts are warped

cause and

 

 

 

 

 

or missing.

repair.

 

 

 

Smooth action

Manual

Make sure action

If action is not

 

 

 

 

operation.

is smooth and

smooth, apply

 

 

 

 

Visual

shafts turn

a small amount

 

 

 

 

inspection

smoothly.

of lubricant.

 

 

 

 

or touch.

 

 

 

 

 

 

See

 

 

 

 

 

 

Lubrication

 

 

 

 

 

 

Manual

 

 

 

2

Main circuit

Discoloration

Visual

Make sure there is

Check the

 

 

 

due to heat from

inspection.

no discoloration.

cause and

 

 

 

conducting parts

 

 

repair.

 

 

 

 

 

 

 

 

 

 

Loose bolts,

Tighten using

Make sure all

Tighten if

See Table

 

 

nuts or screws

a wrench.

bolts, nuts and

loose.

6 for

 

 

 

 

screws are tight.

 

tightening

 

 

 

 

 

 

torque.

 

 

Dust on surface

Visual

Make sure there is

Wipe with a

 

 

 

of interrupter

inspection.

no surface dust.

clean dry cloth.

 

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Contents HV6CS-MLD Page Important Notice About This Manual Contacting TIC’s Customer Support Center Table of Contents Safety Alert Symbol General Safety InformationEquipment Warning Labels Equipment Inspection Operating the VCB Connecting and disconnecting the main circuitDuring Use Installation locationSpecial environmental conditions Applicable standards pertaining to switching surges Drawout Type Circuit Breaker Part NamesReceipt and Unpacking From Receipt to StorageHoisting the Circuit Breaker TransportLifting the Drawout Cell Drawout CellStorage Mounting the Drawout Cell InstallationMounting in the panel Place the VCB on the lifter Location of VCB holding pin with chain For Motorized Spring-operated VCBs OperationManual Operation Closing the CircuitWhen the spring is taut Perform the step shown in Figure Opening the Circuit Electrical Operation Motorized Operation Control CircuitUndervoltage Trip Plug Installed in UV Trip DevicePage Maintenance Record Maintenance/InspectionsTypes of Maintenance and Inspection Work During Maintenance/InspectionsInspection Frequency Periodic Inspection Checkpoints Location Inspection Criteria Disposition Remarks Method Vacuum CheckPrecautions Test Procedure Dielectric Breakdown Characteristics Page Page Toshiba

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