L.B. White Tradesman 400 Dual Fuel, Owner'S Manual And Instructions, Page: 21 / 120

Tradesman Construction Heaters
Owner’s Manual • Tradesman
21
Burner Orifice
Tools Required:
• Ratchet with extensions
• Tradesman 170: 9/16 in. socket
• Tradesman 400: 7/8 in. socket
• Tradesman 400 DF: 1-3/16 in. socket
A. Using the above tools, reach down the barrel of the
heater and loosen the ori fi ce from the center of the
burner plate.
B. Remove the ori fi ce. See Fig. 26 for Tradesman 170
and Fig. 27 for all Tradesman 400.
C. Clean with air or a soft brush.
D. Ensure copper washer is installed onto ori
fi ce before
threading back into ori fi ce holder in burner plate.
E. See Fig. 28 for Tradesman 170, Fig. 29 for Trades-
man 400 and Fig. 30 for Tradesman 400 Dual Fuel.
FIG. 26
FIG. 27
FIG. 28
FIG. 29
FIG. 30
COPPER
WASHER
COPPER
WASHER
COPPER
WASHER