7/30/2019 Installation Check List

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Site : Location :

Job No. : Voltage :

Rating : Designation : Transformer

Make : Sr. No.:

No. CHECK REMARKS

1.

2.

3.

4.

5.

Foundation, Co-ordinates, Location, Level -ok?

Installation as per equipment Tag no., Area of

classification, layout drawing ok?

Transformer centre line, level, roller stopper,

ant-seismic mounting clamps etc ok?

Assembly of all accessories and fittings

completed?

All cooling fans and fan control cubicle

installed and connected?

6.

7.

Oil cooling pump and piping connections

completed?

Oil / winding temperature gauges / relays

installed?

8. Buchholz relay

a) Piping as per drawing

b) Arrow towards conservator

c) Float elements free

d) Mercury Switches intact

9. Breather

a) Piping to conservator as per drawing

b) Silica gel colour blue

c) Air entry hole open

d) Oil filled in bottom compartment10. Eplosion Vent

Both and diaphragms intact

11. Bushings

a) No cracks observator

b) Air Released

c) Arcing horn gaps as per drawing

12. All gaskets intact and new, drain valve closed?

Dehydrated oil filled and topped up to level

Oil level gauge in conservator ok & calibrated?

7/30/2019 Installation Check List

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12. All gaskets intact and new, drain valve closed?

Dehydrated oil filled and topped up to level

Oil level gauge in conservator ok & calibrated?

13 Radiator

a) Valves open

b) No leakage at flanges & joints

14 Air release from

a) Radiators

b) Bushings

c) Buchholz relay

d) Transformer tank

e) OLTC Tank & Surge relay

15 Instruments (OTI & WTI)

a) Bulb inserted in pocket

b) Pocket filled with oil

c) Capacity checked and fixed properly

16

17

18

Marshalling box installed and connected?

Tap Changer manual operation is free

Bus duct installed and bus size and

connections checked?

19

20

O.H.HV jumpers, power and control cables

terminated? size? connections?

Earthing of neutral and body and Rail

21

22

Danger Boards Installed?

Fire extinguishers installed? Fire fightingsystem?

23

24

Oil soak pit with gravel /collection pit?

All unwanted materials cleared and

Transformer kept clean?