L.B. White 170 Tradesman Portable Forced Air - Manual (Page 15)

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 3/16 as
shown in Fig. 15.
FIG. 14
FIG. 15
REMOVAL
1. Disconnect the ignitIon cable from the igniter. See
Fig.16.
FIG. 16
2. Remove the igniter mounting screw and nut. See
Figs. 14 and 16.
1. Loosen the compression nut at the burner orifice.
Remove the bowed retaining clip. See Fig. 17.
FIG. 17
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
15
BURNER ORIFICE
COMPRESSION NUT
BOWED CLIP
IGNITION CABLE
IGNITOR
ELECTRODE
3/16 in.
MOUNTING SCREW
MOUNTING
NUT