TC36_NG04D 240317-24
5056.427D4
16
Pilot gas supply
connection
Ignition and sensor wires
Main gas supply
connection
(Do not disconnect)
Figure 29: Connections at bulkhead.
Ignition wire (red)
Flame sensor
wire (white)
Interface module
Figure 30: Disconnecting flame sensor and ignition wires at inter-
face module.
4. Disconnect the pilot gas supply line at the bulkhead (Figure 29). DO NOT disconnect the main
gas supply line from the bulkhead.
5. Disconnect the flame sensor wire and the ignition wire from the interface module (Figure 30) and
withdraw the wires back through the bulkhead plate and into the firebox area.