Proposed HV Live Work - Mid Span Isolator Maintenance Checklist

Knowby

Proposed HV Live Work - Mid Span Isolator Maintenance Checklist

Knowby created from browser extension capture session at 03/09/2026, 7:04:37 am

Knowby created from browser extension capture session at 03/09/2026, 7:04:37 am

1

Step 1 of 27

<p>Select Depot Location</p>

Select Depot Location

2

Step 2 of 27

<p>Confirm Electrical Test is within date.</p>

Confirm Electrical Test is within date.

3

Step 3 of 27

<p>Confirm Mechanical Inspection is within date.</p>

Confirm Mechanical Inspection is within date.

4

Step 4 of 27

<p>Confirm Correct Turnbuckle Alignment</p>

Confirm Correct Turnbuckle Alignment

5

Step 5 of 27

<p>Insulator position within the termination.</p><p>Is the RTV seal (1.) around the insulator complete and free from cracks (as per image</p><p>Does the alignment of the Insulator to the end fittings is required to be in a straight line (2.).</p>

Insulator position within the termination.

Is the RTV seal (1.) around the insulator complete and free from cracks (as per image

Does the alignment of the Insulator to the end fittings is required to be in a straight line (2.).

6

Step 6 of 27

<p>Moving Parts Check</p>

Moving Parts Check

7

Step 7 of 27

<p>Confirm Latch closing</p>

Confirm Latch closing

8

Step 8 of 27

<p>Blade Condition</p>

Blade Condition

9

Step 9 of 27

<p>Blade Position</p>

Blade Position

10

Step 10 of 27

<p>Confirm Blade Tightness</p><p></p>

Confirm Blade Tightness

11

Step 11 of 27

<p>Hinge Maintenance</p>

Hinge Maintenance

12

Step 12 of 27

<p>Confirm Hinge Tension</p>

Confirm Hinge Tension

13

Step 13 of 27

<p>Tighten all 12mm Bolts</p>

Tighten all 12mm Bolts

14

Step 14 of 27

<p>Check all Pins and Rivets</p>

Check all Pins and Rivets

15

Step 15 of 27

<p>Arc Chute Condition</p>

Arc Chute Condition

16

Step 16 of 27

<p>Flicker Blade Alignment</p>

Flicker Blade Alignment

17

Step 17 of 27

<p>Catching Pin</p>

Catching Pin

18

Step 18 of 27

<p>Flicker Blade Travel Distance</p>

Flicker Blade Travel Distance

19

Step 19 of 27

<p>Arc Chute Replacment</p>

Arc Chute Replacment

20

Step 20 of 27

<p>Insulator Condition</p>

Insulator Condition

21

Step 21 of 27

Turnbuckle Brand

22

Step 22 of 27

<p>Turnbuckle thread weld check</p>

Turnbuckle thread weld check

23

Step 23 of 27

<p>Lubricate Bolt Thread</p>

Lubricate Bolt Thread

24

Step 24 of 27

<p>Examples of Damaged Thread</p>

Examples of Damaged Thread

25

Step 25 of 27

<p>Pin Check</p>

Pin Check

26

Step 26 of 27

<p>Confirm Lead Condition (Position 1) </p>

Confirm Lead Condition (Position 1)

27

Step 27 of 27

<p>Confirm Lead Condition (Position 2)</p>

Confirm Lead Condition (Position 2)