Adjust Kettle Pilot Igniter Electrode Gap; Kettle Over-Temperature Switch Replacement; (Promelt Only) - Graco ThermoLazer 200TC Repair Manual

Adjust Kettle Pilot Igniter
Electrode Gap
(ThermoLazer 300
TC
1. Loosen screw (231).
2. Rotate ignitor electrode (7) until gap of 0.17 to 0.20
in. (0.43 to 0.51 cm) is achieved.
3. Retighten screw (231).
3A1320L
/ProMelt only)
0.17 - 0.20 in.
ti14519b
Kettle Over-Temperature
Switch Replacement

(ProMelt only)

Removal
1. Unscrew switch fitting from kettle. NOTE: To keep
wire sleeve from twisting, counter-rotate sleeve
when turning switch fitting.
2. Disconnect wire leads from switch terminals.
7
3. Unscrew switch and remove.
Installation
1. Apply anti-seize (LPS-04110 or equal) to switch
(339).
2. Install switch and torque to 120 - 140 in-lb (13.6 -
15.8 N•m).
3. Apply anti-seize (LPS-04110 or equal) to switch
fittings (343).
4. Connect wire leads (359 and 360) to switch.
5. Install switch fitting and torque to 180 - 200 in-lb
(20.3 - 22.6 N•m). NOTE: To keep wire sleeve from
twisting, counter-rotate sleeve when turning switch
fitting.

Adjust Kettle Pilot Igniter Electrode Gap

ti17078b
11