9 maintenance and fault rectification, 1 maintenance, 2 resealing – VEGA Mounting accessories, pressure measurement technology User Manual

Page 27: 3 instrument repair, 9maintenance and fault rectification

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9

Maintenance and fault rectification

9

.1 Maintenance

If the instrument is used properly, no special maintenance is required
in normal operation.

9

.2 Resealing

If a valve in the packing leaks, it can be resealed during operation.

To reseal it, proceed as follows:

1

Open the valve completely with the T-handle

1

2

3

5

4

Fig. 12:

1

T-handle

2

Locknut

3

Gland nut

4

Gland packing

5

Valve spindle

2

Loosen counter nut

3

Slightly tighten the gland nut by turning clockwise

4

Move spindle several times in both directions

5

Tighten counter nut

6

Test for tightness

The resealing procedure is finished.

9

.3 Instrument repair

If a repair is necessary, please proceed as follows:

Mounting accessories, pressure measurement technology

27

9 Maintenance and fault rectification

43478

-

EN

-121018

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