12.Plug the white signal wire (from the DPM) into the appropriate detector electrode position.
See Electrode Connections for New Igniter. The wire should not be connected at the DPM
end yet.
White Signal Wire
(from DPM)
Black Wire
(from igniter)
Red Wire
(from igniter)
Note: The black wire
appears blue due to a
Teflon coating over the
wire.
Figure 4-12
FID New Igniter Electrode Connections
13.Place the white signal wire (from the DPM, often covered by black heat-shrinkable tubing)
across the top of the new igniter board.
Figure 4-13
FID Wiring
14.Insert the unplugged ends of the wires into the new FID purge tube and slide the purge
tube over the igniter board and wiring. Make sure that the white signal wire remains
positioned against the flat top side of the igniter board.
Place the end of the purge tube with the flat area around the hole towards the detector.
7KLVHQGFRQQHFWV
WREXVKLQJ
7KLVHQGJRHVWKURXJK
(&FRYHUSODWH
3XUJHILOWHUVHFXUHV
SXUJHWXEHWREXVKLQJ
ZDVKHUQRWVKRZQ
3XUJHWXEH
Detector Bushing
Figure 4-14
FID Purge Tube and Bushing Orientation
15.Line up the hole on the new purge tube with the hole on the bushing. The holes will be on
the bottom of the purge tube when the assembly is in the upright, operating position.
Flame Ionization Detector
4.4 Replacing the FID Igniter
Maxum Edition II Detectors
Service Manual, May 2018, A5E42019847001
45