Igniter; Burner Orifice - L.B. White Tradesman 170 Owner's Manual And Instructions

MAINTENANCE
1. Using a small wire brush, reach down the barrel of
the heater and brush the igniter electrode. Remove
any build up.
2. Periodically check the gap. Gap should be 4.8 mm as
shown in Fig. 15.
FIG. 14
MOUNTING SCREW
FIG. 15
4.7 mm
2. Loosen the compression nut at the burner orifice.
Remove the bowed retaining clip. See Fig. 17.
FIG. 17
BOWED CLIP
COMPRESSION NUT
IGNITOR
ELECTRODE
REMOVAL
1. Disconnect the ignitIon cable from the igniter. See
Fig.16.
FIG. 16
IGNITION CABLE
2. Remove the igniter mounting screw and nut. See
Figs. 14 and 16.
2. Reach down the barrel of the heater and pull the
orifice from the burner plate.
3. Inspect the orifice and clean any plugged holes.
Replace it if necessary. The replacement orifice will
include retaining clips.
FIG. 18

IGNITER

MOUNTING
NUT

BURNER ORIFICE

15