Reznor, AB - 2 Gas, GB 2019-08, D301177 Issue A PAGE 11
I/D fan
Note: Before removing the I/D fan it will be
necessary to remove the first flue section
after releasing it from the fan/flue adapter.
(See page 19 I/D Fan).
Disconnect and remove I/D fan as described in
section 8. Clean off any dust or deposits using
a soft brush paying particular attention to the
impeller. Also remove any dust or deposits from
the finger guard covering the secondary (cooling)
impeller, and the mesh aperture in the motor
cover. Check that the impeller is free to rotate
and that there is no play in the bearings.
Emitter tubes
External
Brush away any dust on the exterior of the
emitter tubes after first removing the ten screws
retaining the mesh air inlet grille as shown in
Figure 12 below.
Internal
To gain access first remove the bottom cover
as described in section 8 before removing the
screws from the inspection cover.
Remove the screws from the flue cover as shown
in figure 14. Take care not to damage the gasket.
Servicing (Cont)...
Figure 12.
Figure 13.
Figure 14.
Figure 15.
