Maintenance And Cleaning - WIKA TR Manual De Instrucciones

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6. Commissioning, operation / 7. Maintenance and cleaning
Order no.
11349981
11349990
EN
11350008
11350016
11367416
1248278
3153134
3361485
Legend:
CuFA = Copper, max. 45 HB
Al
= Aluminium Al99
F11, 32 to 45 HB
StFA = Soft iron, 80 to 95 HB
6.4 Tapered threads (NPT)
Connections with tapered threads (NPT) are self-sealing and normally must not be sealed. It
should be checked whether it may be necessary to seal them additionally with PTFE tape or
hemp. The threads must be lubricated with a suitable lubricant before fitting.
Tighten the threads by hand when carrying out the final assembly on the plant. This will
correspond to the delivery status of the premounted components. The final tightening and sealing
must be made with a spanner (1.5 to 3 rotations).

7. Maintenance and cleaning

7.1 Maintenance
These thermometers are maintenance-free.
Repairs must only be carried out by the manufacturer.
7.2 Cleaning
CAUTION!
Before cleaning, correctly disconnect the instrument from the pressure supply,
switch it off and disconnect it from the mains.
Clean the instrument with a moist cloth.
Electrical connections must not come into contact with moisture.
Wash or clean the dismounted instrument before returning it, in order to protect
personnel and the environment from exposure to residual media.
Residual media in dismounted instruments can result in a risk to personnel, the
environment and equipment. Take sufficient precautionary measures.
For information on returning the instrument see chapter 9.2 "Return".
16
Designation
per DIN 7603 Form C 14 x 18 x 2 -CuFA
per DIN 7603 Form C 18 x 22 x 2 -CuFA
per DIN 7603 Form C 21 x 26 x 2 -CuFA
per DIN 7603 Form C 27 x 32 x 2.5 -CuFA
per DIN 7603 Form C20 x 24 x 2 -CuFA
per DIN 7603 D21.2 x D25.9 x 1.5 -Al
per DIN 7603 Form C D14.2 x D17.9 x 2 -StFA
per DIN 7603 Form C D33.3 x D38.9 x 2.5 -StFA
a
, with a filling made of asbestos-free sealing material
b
a
, with a filling made of asbestos-free sealing material
WIKA operating instructions resistance thermometers, thermocouples
Suitable for threads
G ¼, M14 x 1,5
M18 x 1,5, G ⅜
G ½, M20 x 1,5
G ¾, M27 x 2
M20 x 1,5
G ½, M20 x 1,5
G ¼, M14 x 1,5
G 1

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