Removal And Installation Of Electrode - Graco ThermoLazer 200TC Repair Manual

Removal and Installation of Electrode

Removal and Installation of Electrode
(ThermoLazer 300TC/ProMelt only)
Removal
1. Disconnect gas pilot line (71) from flared adapter
(421). Only rotate the nut on gas pilot line (71), while
keeping flared adapter (421) stationary.
421
71
2. Disconnect electrode lead (217) from pulse fire
igniter (126). Pull electrode out of wire sleeving.
ti25747a
ThermoLazer 300 /ProMelt Only
TC
ThermoLazer 300TC/ProMelt Only
3. Remove gas pilot mounting housing (319) from gas
burner mounting plate (18). Disconnect ground lead
wire (244).
18
244
ti25739b
16
ti25692b
217
126
319
4. Remove thermopile (7).
5. Remove electrode.
ti121953a
ThermoLazer 300
Installation
1. Replace electrode. (See Operation Manual for cor-
rect spacing between electrode and pilot burner).
ti21954a
ti25741b
/ProMelt Only
TC
3A1320L