L.B. White I-17 Infraconic Spark Ignition - Manual (Page 17)

16
BOOT
IGNITOR
A
B
SCREWS
COVER
C
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.