Wika 702.03.100 Manuel d'utilisateur télécharger pdf (Page 16)

WIKA operating instructions dierential pressure gauge, model 702.03.10016

2367781.03 06/2013 GB/D/F/E

2123649.0X

7. Options and accessories / 8. Maintenance

7.2 Panel mounting ange

Panel

Cutout

8. Maintenance

The instruments are maintenance-free.

The indicator and switching function should be checked once or twice every year.

For this the instrument must be disconnected from the process to check with a

pressure testing device.

Repairs must only be carried out by the manufacturer.

■

Sequence of operations to dismount the measuring instrument with a

running process

1. Open the pressure compensating valve

2. Close the shut-o valve for the ⊕ and ⊖ media chamber

3. Open the vent valve

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Wika 702.03.100 Manuel d'utilisateur Page 16