LAARS NeoTherm NTV (Sizes 399-850 MBTU/h) - Service Manual - Manual (Page 78)

68 Service Manual - NeoTherm 500
8. Now you can remove the front of the heat exchang-
er, with the blower and burner still attached. Undo
the six 10mm nuts around the outside of the front
plate of the heat exchanger. See Fig. C5-7. As you
remove the part, note the position of the large black
gasket. This gasket must be replaced every time
you clean the unit or remove the front cover of the
heat exchanger.
9. Fig. C5-8 shows how the assembly looks after it has
been removed.
Note - The white ceramic refractory material on the
inside of the heat exchanger front plate is brittle, and
can be damaged easily. Handle the heat exchanger
front plate carefully.
Remove
these
nuts
Fig. C5-7 - Removing the front of the heat exchanger
Burner
Front plate
Blower
Fig. C5-8 - Blower, front plate, and burner assembled
Cleaning the Burner and Heat Exchanger (continued)
C5
cont.