Igniter/flame sensor – L.B. White I-17 Infraconic Spark Ignition User Manual

Page 17

BOOT

IGNITOR

SCREWS

COVER

IGNITER/FLAME SENSOR

1. Disconnect the heater from its electrical supply.

2. Close fuel supply valves to heater.

3. Pull the boot of the ignition lead up and back from the

igniter along the lead to expose the igniter to ignition

lead terminal. If the ignition cable terminal

disconnects as the boot is being pulled back, use a

needle nose pliers to retrieve the terminal and pull it

back through the igniter end of the boot. See Fig. 11.

4. Disconnect the lead from the igniter.

5. Remove the screws which secure the igniter and it’s

mounting cover to the heater top.

6. Remove the igniter from the heater. The igniter rod

and its insulating ceramic body must be rigid within

its mounting bracket. If the igniter rod or its body are

capable of movement, the igniter will not be properly

positioned to the combustion cone. The igniter must

then be replaced.

7. Clean the igniter rod with steel wool or emery cloth.

8. Reattach the igniter and the cover into the heater top.

Tighten Securely.

9. Restar t the heater according to the star t up

instructions on page 11.

FIG. 11

1/8" TO 3/16" GAP
BETWEEN ELECTRODE AND CONE

FIG. 12

.100 TO .200 GAP
BETWEEN ELECTRODE AND CONE

ATTENTION

■

To adjust igniter gap, remove outer combustion cone.

■

Use pliers to support the igniter rod near ceramic

insulator.

■

Carefully bend electrode to achieve proper ignition

gap. See Fig. 12.