Siemens Maxum II Service Manual

15.Disconnect utility gas lines from the FID at the connecting union using a 5/16" open-end
wrench. Temporarily label the gas line leads to make sure they can be reconnected
correctly.
Disconnect
utility gas at
unions on the ends
of supply lines (up to 3)
Cover setscrew hole
Disconnect
FID vent tube
EC cover plate
nuts (4)
A
B
D
C
FID mounting plate screws (4)
E
Figure 4-9 Removing the FID Assembly (Typical Installation)
16.Remove the four M4 nuts from the FID EC cover plate using a 7mm nut driver.
17.Using a 2.5mm Allen wrench, remove the four M4 screws that secure the FID mounting
plate to the mezzanine.
18.Remove the FID assembly from the mezzanine by pulling up and then out when the FID
bottom body clears the hole.
4.4.3 Procedure - Igniter Replacement
Note
A clean work surface should be used for disassembly of the old igniter and installation of the
new igniter. This is to prevent contamination of the detector gas inputs and electrical contacts.
Flame Ionization Detector
4.4 Replacing the FID Igniter
Maxum Edition II Detectors
42 Service Manual, May 2018, A5E42019847001

Siemens Maxum II Specifications

General

Category	Gas Chromatograph
Measurement Principle	Gas Chromatography
Communication Protocols	Modbus, Ethernet, Profibus
Operating Temperature	-20°C to 55°C
Power Supply	24 VDC or 100-240 VAC
Mounting	rack mount
Applications	Refinery, chemical, petrochemical, natural gas
Detectors	Thermal Conductivity Detector (TCD), Flame Ionization Detector (FID)
Sample Inlets	Multiple
Dimensions	Varies by configuration (e.g., 19" rack mount)