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Idiomas disponibles
Idiomas disponibles
22
Sentry Tube Heaters
Motor and Fan Assembly
(ST60/ST80 shown)
A. Motor/Fan wheel removal.
1. Disconnect motor leads.
2. Remove motor mount screws. See Fig. 17
3. Remove motor/fan wheel assembly from the burner
box. See Fig. 18
FIG. 17
FIG. 18
Owner's Manual • Sentry
Air Differential Pressure
Switch, Tubing and
Orifices.
(ST60/ST80 shown)
Pressure switch tube: See Fig. 19. Check for
blockage. Clean with compressed air after removing
the tube from the switch and the air inlet plate orifice.
FIG. 19
Air inlet plate orifice (ST60/ST80 only):
See Fig. 20. 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. 20
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