Motor And Fan; Air Differential Pressure Switch, Tubing & Pressure Orifices - L.B.White Oval 80 HP Instrucciones Y Manual Del Propietario

20
Oval 80 Radiant Tube Heaters
Motor and Fan Assembly
A. Motor/Fan wheel removal.
1. Disconnect motor leads.
2. Remove the four (4) motor mount screws.
See Fig. 16.
3. Remove the motor/fan wheel assembly from the
fan housing. See Fig. 17.
FIG. 16
FIG. 17
Owner's Manual • Oval 80
Air Differential Pressure
Switch, Tubing and
Orifices.
Pressure Switch Tube:
See Fig. 18. Check for blockage. Clean with com-
pressed air after removing the tube from the switch
and the air inlet plate orifice.
FIG. 18
Air inlet plate orifice:
See Fig. 19. Ensure this orifice is free of dust. If the
orifice is plugged, remove the two screws that hold
the plate to the burner box. Clean using compressed
air.
FIG. 19