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
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EN
-121018
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