Hardware Installation and Maintenance Manual 2–1
2 - SAFETY
Potential Risks Affecting Personnel
This section addresses the appropriate actions to undertake when faced with
hazardous situations during or before service of the analyzer. It is not possible
to list all potential hazards within this document. The user is responsible for
identifying and mitigating any potential hazards present when servicing the
analyzer.
Mitigating risks
Refer to the instructions for each situation listed below to mitigate associated
risks.
Exposuretoprocessgases
1. Shut off the process gas to the analyzer before any service that
would require opening a part of the sample plumbing.
2. Purge the system with nitrogen.
3. Shut off the nitrogen purge before opening any part of the sample
system.
Exposuretotoxicgas(H
2
S)
Follow the procedure below if there has been any suspected leak from the
sample system and accumulated Sample Conditioning System (SCS)
enclosure.
1. Purge the SCS enclosure to remove any potentially toxic gas.
2. Test th e H
2
S levels of the SCS enclosure using the port from the
safety purge kit to ensure the purge has cleared any toxic gas.
3. If no gas leak is detected, open the SCS enclosure door.
Technicians are expected to follow all safety protocols established
by the customer that are necessary for servicing the analyzer.
This may include, but is not limited to, lockout/tag-out
procedures, toxic gas monitoring protocols, personal protective
equipment (PPE) requirements, hot work permits and other
precautions that address safety concerns related to performing
service on process equipment located in hazardous areas.
Follow all safety protocols governing toxic gases and potential
leaks.