L.B. White 400 Tradesman Portable Forced Air - Manual (Page 16)

1. Open the clip holding the thermostat bulb to the
motor mount.
2. Remove knob and thermostat mounting screws.
3. Guide the thermostat bulb through the bushing.
4. Remove thermostat from heater
FIG. 18
THERMOSTAT
IGNITION CONTROL
14 15
1. Disconnect the LED wire harness from the circuit
board, if applicable.
2. Disconnect the ignition cable and remove the nuts
securing the control to the side of the heater’s base..
See Fig.19.
3. When replacing, use care to prevent damage to the
controller’s components.
FIG. 19
BUSHING
NUT
LED WIRE
HARNESS
SCREWS
CLIP
IGNITION CABLE