Checking The Seals; Check Cable Glands; Absence Of Pollutants - Siemens SITRANS TH100Slim Compact Operating Instructions

Service and maintenance

7.4 Absence of pollutants

Impermissible repair of explosion protected devices
Risk of explosion in hazardous areas.
• Repairs may only be carried out by personnel authorized by Siemens.
• Do not repair flameproof joints. Flameproof joints are, for example, threaded inlets for cable
Hot surfaces
Risk of burns during maintenance work on parts having surface temperatures exceeding 70 °C
(158 °F).
• Take corresponding protective measures, for example by wearing protective gloves.
• After carrying out maintenance, remount touch protection measures.
7.3.1.1

Checking the seals

Inspect the seals at regular intervals
1. Clean the enclosure and seals.
2. Check the enclosure and the seals for cracks and damage.
3. If necessary, lubricate the seals or replace them. Use only original seals
www.siemens.com/industrymall).
7.3.1.2

Check cable glands

• Check the tightness of the cable glands at regular intervals.
• Tighten the cable glands if necessary.
7.4 Absence of pollutants
76
WARNING
glands.
CAUTION
The product does not contain any dangerous substances above the concentration
value according to GB/T 26572.
SITRANS TH100/TH100Slim/TH320/TH420/TR320/TR420/TF320/TF420
Compact Operating Instructions, 07/2021, A5E41865021-AE
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