Siemens MicroSAM, Operating Instructions Manual, Page: 79 / 138

MicroSAM
Operating Instructions, 06/2012, C79000-G5376-C560-07
77
Service and maintenance
6
6.1 Maintenance of analysis module
6.1.1 Removal of analysis module
Procedure
WARNING
Explosion hazard
 If the gas chromatograph is mounted in a hazardous area, observe the explosion
protection regulations.

Before opening the housing in the hazardous area, switch off the power supply and then
always wait for at least 65 minutes.
 Following the waiting time:
– When the surface temperatures inside the gas chromatograph have cooled down to
a temperature corresponding to temperature class T4.
– When the electric charge on the internal components has dropped to a voltage
permissible for explosion protection.
1. Loosen the 1.5-mm hexagon socket-head bolt
③
in the top cover
②
by two complete
turns.